164339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert// Copyright (C) 2016 and later: Unicode, Inc. and others. 264339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert// License & terms of use: http://www.unicode.org/copyright.html 3b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 4b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru****************************************************************************** 5b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert* Copyright (C) 1997-2016, International Business Machines 7b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Corporation and others. All Rights Reserved. 8b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 9b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru****************************************************************************** 10b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 11b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* FILE NAME : putil.c (previously putil.cpp and ptypes.cpp) 12b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 13b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Date Name Description 14b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 04/14/97 aliu Creation. 15b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 04/24/97 aliu Added getDefaultDataDirectory() and 16b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* getDefaultLocaleID(). 17b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 04/28/97 aliu Rewritten to assume Unix and apply general methods 18b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* for assumed case. Non-UNIX platforms must be 19b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* special-cased. Rewrote numeric methods dealing 20b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* with NaN and Infinity to be platform independent 21b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* over all IEEE 754 platforms. 22b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 05/13/97 aliu Restored sign of timezone 23b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* (semantics are hours West of GMT) 24b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 06/16/98 erm Added IEEE_754 stuff, cleaned up isInfinite, isNan, 25b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* nextDouble.. 26b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 07/22/98 stephen Added remainder, max, min, trunc 27b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 08/13/98 stephen Added isNegativeInfinity, isPositiveInfinity 28b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 08/24/98 stephen Added longBitsFromDouble 29b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 09/08/98 stephen Minor changes for Mac Port 30b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 03/02/99 stephen Removed openFile(). Added AS400 support. 31b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* Fixed EBCDIC tables 32b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 04/15/99 stephen Converted to C. 33b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 06/28/99 stephen Removed mutex locking in u_isBigEndian(). 34b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 08/04/99 jeffrey R. Added OS/2 changes 35b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 11/15/99 helena Integrated S/390 IEEE support. 36b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 04/26/01 Barry N. OS/400 support for uprv_getDefaultLocaleID 37b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru* 08/15/01 Steven H. OS/400 support for uprv_getDefaultCodepage 3885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho* 01/03/08 Steven L. Fake Time Support 39b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru****************************************************************************** 40b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 41b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 42103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius// Defines _XOPEN_SOURCE for access to POSIX functions. 43103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius// Must be before any other #includes. 44103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#include "uposixdefs.h" 45b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 46b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* include ICU headers */ 47b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "unicode/utypes.h" 48b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "unicode/putil.h" 49b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "unicode/ustring.h" 50b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "putilimp.h" 51b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "uassert.h" 52b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "umutex.h" 53b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "cmemory.h" 54b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "cstring.h" 55b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "locmap.h" 56b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include "ucln_cmn.h" 57f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#include "charstr.h" 58b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 59b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Include standard headers. */ 60b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <stdio.h> 61b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <stdlib.h> 62b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <string.h> 63b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <math.h> 64b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <locale.h> 65b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <float.h> 66b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 67103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#ifndef U_COMMON_IMPLEMENTATION 68103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#error U_COMMON_IMPLEMENTATION not set - must be set for all ICU source files in common/ - see http://userguide.icu-project.org/howtouseicu 69103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#endif 70103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius 71103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius 72b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* include system headers */ 73103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_USES_ONLY_WIN32_API 74103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius /* 75103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius * TODO: U_PLATFORM_USES_ONLY_WIN32_API includes MinGW. 76103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius * Should Cygwin be included as well (U_PLATFORM_HAS_WIN32_API) 77103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius * to use native APIs as much as possible? 78103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius */ 79b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# define WIN32_LEAN_AND_MEAN 80b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# define VC_EXTRALEAN 81b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# define NOUSER 82b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# define NOSERVICE 83b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# define NOIME 84b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# define NOMCX 85b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <windows.h> 86b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include "wintz.h" 87103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_OS400 88b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <float.h> 89b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <qusec.h> /* error code structure */ 90b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <qusrjobi.h> 91b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <qliept.h> /* EPT_CALL macro - this include must be after all other "QSYSINCs" */ 92b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# include <mih/testptr.h> /* For uprv_maximumPtr */ 93103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_OS390 94b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho# include "unicode/ucnv.h" /* Needed for UCNV_SWAP_LFNL_OPTION_STRING */ 958393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius#elif U_PLATFORM_IS_DARWIN_BASED || U_PLATFORM_IS_LINUX_BASED || U_PLATFORM == U_PF_BSD || U_PLATFORM == U_PF_SOLARIS 96b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho# include <limits.h> 97b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho# include <unistd.h> 988393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius# if U_PLATFORM == U_PF_SOLARIS 998393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius# ifndef _XPG4_2 1008393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius# define _XPG4_2 1018393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius# endif 1028393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius# endif 103103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_QNX 104b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho# include <sys/neutrino.h> 10550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 10650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 107103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if (U_PF_MINGW <= U_PLATFORM && U_PLATFORM <= U_PF_CYGWIN) && defined(__STRICT_ANSI__) 108b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho/* tzset isn't defined in strict ANSI on Cygwin and MinGW. */ 109b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho#undef __STRICT_ANSI__ 110b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho#endif 111b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho 112b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho/* 113b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho * Cygwin with GCC requires inclusion of time.h after the above disabling strict asci mode statement. 114b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho */ 115b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho#include <time.h> 11650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 117103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if !U_PLATFORM_USES_ONLY_WIN32_API 11885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#include <sys/time.h> 119b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 120b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 121b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 122b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Only include langinfo.h if we have a way to get the codeset. If we later 123b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * depend on more feature, we can test on U_HAVE_NL_LANGINFO. 124b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 125b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 126b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 127b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if U_HAVE_NL_LANGINFO_CODESET 128b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <langinfo.h> 129b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 130b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 13150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho/** 13250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * Simple things (presence of functions, etc) should just go in configure.in and be added to 13350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * icucfg.h via autoheader. 13450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho */ 135103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_IMPLEMENTS_POSIX 136103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# if U_PLATFORM == U_PF_OS400 137103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_DLFCN_H 0 138103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_DLOPEN 0 139103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# else 140103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# ifndef HAVE_DLFCN_H 141103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_DLFCN_H 1 142103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# endif 143103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# ifndef HAVE_DLOPEN 144103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_DLOPEN 1 145103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# endif 146103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# endif 147103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# ifndef HAVE_GETTIMEOFDAY 148103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_GETTIMEOFDAY 1 149103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# endif 150103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#else 151103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_DLFCN_H 0 152103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_DLOPEN 0 153103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius# define HAVE_GETTIMEOFDAY 0 15450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 15550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 156f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusU_NAMESPACE_USE 157103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius 158b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Define the extension for data files, again... */ 159b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define DATA_TYPE "dat" 160b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 161b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Leave this copyright notice here! */ 162b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const char copyright[] = U_COPYRIGHT_STRING; 163b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 164b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* floating point implementations ------------------------------------------- */ 165b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 166b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* We return QNAN rather than SNAN*/ 167b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define SIGN 0x80000000U 168b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 169b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Make it easy to define certain types of constants */ 170b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutypedef union { 171b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int64_t i64; /* This must be defined first in order to allow the initialization to work. This is a C89 feature. */ 172b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru double d64; 173b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} BitPatternConversion; 174b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const BitPatternConversion gNan = { (int64_t) INT64_C(0x7FF8000000000000) }; 175b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const BitPatternConversion gInf = { (int64_t) INT64_C(0x7FF0000000000000) }; 176b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 177b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/*--------------------------------------------------------------------------- 178b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Platform utilities 179b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Our general strategy is to assume we're on a POSIX platform. Platforms which 180b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru are non-POSIX must declare themselves so. The default POSIX implementation 181b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru will sometimes work for non-POSIX platforms as well (e.g., the NaN-related 182b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru functions). 183b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ---------------------------------------------------------------------------*/ 184b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 185f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#if U_PLATFORM_USES_ONLY_WIN32_API || U_PLATFORM == U_PF_OS400 186b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# undef U_POSIX_LOCALE 187b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 188b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# define U_POSIX_LOCALE 1 189b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 190b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 191b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 192b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru WARNING! u_topNBytesOfDouble and u_bottomNBytesOfDouble 193b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru can't be properly optimized by the gcc compiler sometimes (i.e. gcc 3.2). 194b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 195b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if !IEEE_754 196b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic char* 197b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_topNBytesOfDouble(double* d, int n) 198b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 199b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if U_IS_BIG_ENDIAN 200b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (char*)d; 201b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 202b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (char*)(d + 1) - n; 203b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 204b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 205b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 206b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic char* 207b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_bottomNBytesOfDouble(double* d, int n) 208b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 209b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if U_IS_BIG_ENDIAN 210b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (char*)(d + 1) - n; 211b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 212b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (char*)d; 213b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 214b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 21527f654740f2a26ad62a5c155af9199af9e69b889claireho#endif /* !IEEE_754 */ 21627f654740f2a26ad62a5c155af9199af9e69b889claireho 21727f654740f2a26ad62a5c155af9199af9e69b889claireho#if IEEE_754 21827f654740f2a26ad62a5c155af9199af9e69b889clairehostatic UBool 21927f654740f2a26ad62a5c155af9199af9e69b889clairehou_signBit(double d) { 22027f654740f2a26ad62a5c155af9199af9e69b889claireho uint8_t hiByte; 22127f654740f2a26ad62a5c155af9199af9e69b889claireho#if U_IS_BIG_ENDIAN 22227f654740f2a26ad62a5c155af9199af9e69b889claireho hiByte = *(uint8_t *)&d; 22327f654740f2a26ad62a5c155af9199af9e69b889claireho#else 22427f654740f2a26ad62a5c155af9199af9e69b889claireho hiByte = *(((uint8_t *)&d) + sizeof(double) - 1); 22527f654740f2a26ad62a5c155af9199af9e69b889claireho#endif 22627f654740f2a26ad62a5c155af9199af9e69b889claireho return (hiByte & 0x80) != 0; 22727f654740f2a26ad62a5c155af9199af9e69b889claireho} 22827f654740f2a26ad62a5c155af9199af9e69b889claireho#endif 22927f654740f2a26ad62a5c155af9199af9e69b889claireho 23027f654740f2a26ad62a5c155af9199af9e69b889claireho 231b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 23285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#if defined (U_DEBUG_FAKETIME) 23385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho/* Override the clock to test things without having to move the system clock. 23485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * Assumes POSIX gettimeofday() will function 23585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho */ 23685bf2e2fbc60a9f938064abc8127d61da7d19882Claire HoUDate fakeClock_t0 = 0; /** Time to start the clock from **/ 23785bf2e2fbc60a9f938064abc8127d61da7d19882Claire HoUDate fakeClock_dt = 0; /** Offset (fake time - real time) **/ 23885bf2e2fbc60a9f938064abc8127d61da7d19882Claire HoUBool fakeClock_set = FALSE; /** True if fake clock has spun up **/ 23954dcd9b6a06071f647dac967e9e267abb9410720Craig Corneliusstatic UMutex fakeClockMutex = U_MUTEX_INTIALIZER; 24085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 24185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hostatic UDate getUTCtime_real() { 24285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho struct timeval posixTime; 24385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho gettimeofday(&posixTime, NULL); 24485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return (UDate)(((int64_t)posixTime.tv_sec * U_MILLIS_PER_SECOND) + (posixTime.tv_usec/1000)); 24585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho} 24685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 24785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hostatic UDate getUTCtime_fake() { 24885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho umtx_lock(&fakeClockMutex); 24985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if(!fakeClock_set) { 25085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho UDate real = getUTCtime_real(); 25185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho const char *fake_start = getenv("U_FAKETIME_START"); 25227f654740f2a26ad62a5c155af9199af9e69b889claireho if((fake_start!=NULL) && (fake_start[0]!=0)) { 25385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho sscanf(fake_start,"%lf",&fakeClock_t0); 25427f654740f2a26ad62a5c155af9199af9e69b889claireho fakeClock_dt = fakeClock_t0 - real; 25527f654740f2a26ad62a5c155af9199af9e69b889claireho fprintf(stderr,"U_DEBUG_FAKETIME was set at compile time, so the ICU clock will start at a preset value\n" 25627f654740f2a26ad62a5c155af9199af9e69b889claireho "env variable U_FAKETIME_START=%.0f (%s) for an offset of %.0f ms from the current time %.0f\n", 25727f654740f2a26ad62a5c155af9199af9e69b889claireho fakeClock_t0, fake_start, fakeClock_dt, real); 25827f654740f2a26ad62a5c155af9199af9e69b889claireho } else { 25927f654740f2a26ad62a5c155af9199af9e69b889claireho fakeClock_dt = 0; 26027f654740f2a26ad62a5c155af9199af9e69b889claireho fprintf(stderr,"U_DEBUG_FAKETIME was set at compile time, but U_FAKETIME_START was not set.\n" 26127f654740f2a26ad62a5c155af9199af9e69b889claireho "Set U_FAKETIME_START to the number of milliseconds since 1/1/1970 to set the ICU clock.\n"); 26285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 26385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho fakeClock_set = TRUE; 26485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 26585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho umtx_unlock(&fakeClockMutex); 26685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 26785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return getUTCtime_real() + fakeClock_dt; 26885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho} 26985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#endif 27085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 271103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_USES_ONLY_WIN32_API 272b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutypedef union { 273b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int64_t int64; 274b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru FILETIME fileTime; 275b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} FileTimeConversion; /* This is like a ULARGE_INTEGER */ 276b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 277b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Number of 100 nanoseconds from 1/1/1601 to 1/1/1970 */ 278b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define EPOCH_BIAS INT64_C(116444736000000000) 279b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define HECTONANOSECOND_PER_MILLISECOND 10000 280b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 281b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 282b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 283b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/*--------------------------------------------------------------------------- 284b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Universal Implementations 285b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru These are designed to work on all platforms. Try these, and if they 286b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru don't work on your platform, then special case your platform with new 287b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru implementations. 288b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru---------------------------------------------------------------------------*/ 289b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 290b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UDate U_EXPORT2 291b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_getUTCtime() 292b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 29385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#if defined(U_DEBUG_FAKETIME) 29485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return getUTCtime_fake(); /* Hook for overriding the clock */ 29527f654740f2a26ad62a5c155af9199af9e69b889claireho#else 29627f654740f2a26ad62a5c155af9199af9e69b889claireho return uprv_getRawUTCtime(); 29727f654740f2a26ad62a5c155af9199af9e69b889claireho#endif 29827f654740f2a26ad62a5c155af9199af9e69b889claireho} 29927f654740f2a26ad62a5c155af9199af9e69b889claireho 30027f654740f2a26ad62a5c155af9199af9e69b889claireho/* Return UTC (GMT) time measured in milliseconds since 0:00 on 1/1/70.*/ 30127f654740f2a26ad62a5c155af9199af9e69b889clairehoU_CAPI UDate U_EXPORT2 30227f654740f2a26ad62a5c155af9199af9e69b889clairehouprv_getRawUTCtime() 30327f654740f2a26ad62a5c155af9199af9e69b889claireho{ 304f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#if U_PLATFORM_USES_ONLY_WIN32_API 305b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 306b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru FileTimeConversion winTime; 307b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru GetSystemTimeAsFileTime(&winTime.fileTime); 308b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UDate)((winTime.int64 - EPOCH_BIAS) / HECTONANOSECOND_PER_MILLISECOND); 309b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 31050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 311103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if HAVE_GETTIMEOFDAY 312b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru struct timeval posixTime; 313b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gettimeofday(&posixTime, NULL); 314b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UDate)(((int64_t)posixTime.tv_sec * U_MILLIS_PER_SECOND) + (posixTime.tv_usec/1000)); 31550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#else 316b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru time_t epochtime; 317b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru time(&epochtime); 318b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UDate)epochtime * U_MILLIS_PER_SECOND; 319b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 32050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 32150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 322b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 323b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 324b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/*----------------------------------------------------------------------------- 325b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru IEEE 754 326b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru These methods detect and return NaN and infinity values for doubles 327b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru conforming to IEEE 754. Platforms which support this standard include X86, 328b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Mac 680x0, Mac PowerPC, AIX RS/6000, and most others. 329b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru If this doesn't work on your platform, you have non-IEEE floating-point, and 330b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru will need to code your own versions. A naive implementation is to return 0.0 331b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for getNaN and getInfinity, and false for isNaN and isInfinite. 332b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ---------------------------------------------------------------------------*/ 333b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 334b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 335b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_isNaN(double number) 336b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 337b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if IEEE_754 338b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru BitPatternConversion convertedNumber; 339b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru convertedNumber.d64 = number; 340b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Infinity is 0x7FF0000000000000U. Anything greater than that is a NaN */ 341b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)((convertedNumber.i64 & U_INT64_MAX) > gInf.i64); 342b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 343103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_OS390 344b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number, 345b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sizeof(uint32_t)); 346b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint32_t lowBits = *(uint32_t*)u_bottomNBytesOfDouble(&number, 347b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sizeof(uint32_t)); 348b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 349b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ((highBits & 0x7F080000L) == 0x7F080000L) && 350b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (lowBits == 0x00000000L); 351b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 352b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 353b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* If your platform doesn't support IEEE 754 but *does* have an NaN value,*/ 354b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* you'll need to replace this default implementation with what's correct*/ 355b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* for your platform.*/ 356b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return number != number; 357b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 358b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 359b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 360b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 361b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_isInfinite(double number) 362b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 363b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if IEEE_754 364b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru BitPatternConversion convertedNumber; 365b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru convertedNumber.d64 = number; 366b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Infinity is exactly 0x7FF0000000000000U. */ 367b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)((convertedNumber.i64 & U_INT64_MAX) == gInf.i64); 368103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_OS390 369b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number, 370b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sizeof(uint32_t)); 371b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint32_t lowBits = *(uint32_t*)u_bottomNBytesOfDouble(&number, 372b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sizeof(uint32_t)); 373b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 374b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ((highBits & ~SIGN) == 0x70FF0000L) && (lowBits == 0x00000000L); 375b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 376b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 377b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* If your platform doesn't support IEEE 754 but *does* have an infinity*/ 378b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* value, you'll need to replace this default implementation with what's*/ 379b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* correct for your platform.*/ 380b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return number == (2.0 * number); 381b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 382b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 383b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 384b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 385b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_isPositiveInfinity(double number) 386b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 387103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if IEEE_754 || U_PLATFORM == U_PF_OS390 388b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(number > 0 && uprv_isInfinite(number)); 389b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 390b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return uprv_isInfinite(number); 391b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 392b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 393b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 394b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 395b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_isNegativeInfinity(double number) 396b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 397103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if IEEE_754 || U_PLATFORM == U_PF_OS390 398b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(number < 0 && uprv_isInfinite(number)); 399b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 400b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 401b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint32_t highBits = *(uint32_t*)u_topNBytesOfDouble(&number, 402b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sizeof(uint32_t)); 403b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return((highBits & SIGN) && uprv_isInfinite(number)); 404b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 405b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 406b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 407b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 408b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 409b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_getNaN() 410b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 411103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if IEEE_754 || U_PLATFORM == U_PF_OS390 412b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return gNan.d64; 413b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 414b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* If your platform doesn't support IEEE 754 but *does* have an NaN value,*/ 415b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* you'll need to replace this default implementation with what's correct*/ 416b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* for your platform.*/ 417b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0.0; 418b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 419b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 420b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 421b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 422b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_getInfinity() 423b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 424103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if IEEE_754 || U_PLATFORM == U_PF_OS390 425b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return gInf.d64; 426b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 427b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* If your platform doesn't support IEEE 754 but *does* have an infinity*/ 428b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* value, you'll need to replace this default implementation with what's*/ 429b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* correct for your platform.*/ 430b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return 0.0; 431b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 432b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 433b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 434b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 435b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_floor(double x) 436b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 437b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return floor(x); 438b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 439b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 440b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 441b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_ceil(double x) 442b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 443b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ceil(x); 444b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 445b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 446b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 447b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_round(double x) 448b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 449b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return uprv_floor(x + 0.5); 450b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 451b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 452b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 453b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_fabs(double x) 454b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 455b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return fabs(x); 456b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 457b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 458b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 459b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_modf(double x, double* y) 460b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 461b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return modf(x, y); 462b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 463b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 464b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 465b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_fmod(double x, double y) 466b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 467b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return fmod(x, y); 468b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 469b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 470b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 471b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_pow(double x, double y) 472b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 473b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* This is declared as "double pow(double x, double y)" */ 474b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return pow(x, y); 475b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 476b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 477b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 478b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_pow10(int32_t x) 479b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 480b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return pow(10.0, (double)x); 481b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 482b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 483b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 484b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_fmax(double x, double y) 485b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 486b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if IEEE_754 487b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* first handle NaN*/ 488b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(uprv_isNaN(x) || uprv_isNaN(y)) 489b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return uprv_getNaN(); 490b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 491b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* check for -0 and 0*/ 49227f654740f2a26ad62a5c155af9199af9e69b889claireho if(x == 0.0 && y == 0.0 && u_signBit(x)) 493b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return y; 494b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 495b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 496b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 49727f654740f2a26ad62a5c155af9199af9e69b889claireho /* this should work for all flt point w/o NaN and Inf special cases */ 498b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (x > y ? x : y); 499b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 500b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 501b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 502b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_fmin(double x, double y) 503b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 504b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if IEEE_754 505b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* first handle NaN*/ 506b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(uprv_isNaN(x) || uprv_isNaN(y)) 507b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return uprv_getNaN(); 508b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 509b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* check for -0 and 0*/ 51027f654740f2a26ad62a5c155af9199af9e69b889claireho if(x == 0.0 && y == 0.0 && u_signBit(y)) 511b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return y; 512b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 513b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 514b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 515b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* this should work for all flt point w/o NaN and Inf special cases */ 516b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (x > y ? y : x); 517b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 518b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 519b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 520b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Truncates the given double. 521b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * trunc(3.3) = 3.0, trunc (-3.3) = -3.0 522b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * This is different than calling floor() or ceil(): 523b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * floor(3.3) = 3, floor(-3.3) = -4 524b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * ceil(3.3) = 4, ceil(-3.3) = -3 525b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 526b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 527b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_trunc(double d) 528b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 529b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if IEEE_754 530b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* handle error cases*/ 531b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(uprv_isNaN(d)) 532b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return uprv_getNaN(); 533b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(uprv_isInfinite(d)) 534b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return uprv_getInfinity(); 535b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 53627f654740f2a26ad62a5c155af9199af9e69b889claireho if(u_signBit(d)) /* Signbit() picks up -0.0; d<0 does not. */ 537b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ceil(d); 538b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else 539b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return floor(d); 540b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 541b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 542b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return d >= 0 ? floor(d) : ceil(d); 543b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 544b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 545b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 546b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 547b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/** 548b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Return the largest positive number that can be represented by an integer 549b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * type of arbitrary bit length. 550b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 551b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 552b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_maxMantissa(void) 553b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 554b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return pow(2.0, DBL_MANT_DIG + 1.0) - 1.0; 555b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 556b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 557b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI double U_EXPORT2 558b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_log(double d) 559b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 560b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return log(d); 561b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 562b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 563b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI void * U_EXPORT2 564b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_maximumPtr(void * base) 565b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 566103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM == U_PF_OS400 567b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 56885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * With the provided function we should never be out of range of a given segment 569b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * (a traditional/typical segment that is). Our segments have 5 bytes for the 570b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * id and 3 bytes for the offset. The key is that the casting takes care of 571b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * only retrieving the offset portion minus x1000. Hence, the smallest offset 572b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * seen in a program is x001000 and when casted to an int would be 0. 573b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * That's why we can only add 0xffefff. Otherwise, we would exceed the segment. 574b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 57585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * Currently, 16MB is the current addressing limitation on i5/OS if the activation is 576b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * non-TERASPACE. If it is TERASPACE it is 2GB - 4k(header information). 57785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * This function determines the activation based on the pointer that is passed in and 57885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * calculates the appropriate maximum available size for 579b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * each pointer type (TERASPACE and non-TERASPACE) 580b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 581b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Unlike other operating systems, the pointer model isn't determined at 582b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * compile time on i5/OS. 583b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 584b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if ((base != NULL) && (_TESTPTR(base, _C_TERASPACE_CHECK))) { 585b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* if it is a TERASPACE pointer the max is 2GB - 4k */ 586b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ((void *)(((char *)base)-((uint32_t)(base))+((uint32_t)0x7fffefff))); 587b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 588b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* otherwise 16MB since NULL ptr is not checkable or the ptr is not TERASPACE */ 589b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ((void *)(((char *)base)-((uint32_t)(base))+((uint32_t)0xffefff))); 590b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 591b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 59285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return U_MAX_PTR(base); 593b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 594b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 595b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 596b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/*--------------------------------------------------------------------------- 597b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Platform-specific Implementations 598b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Try these, and if they don't work on your platform, then special case your 599b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru platform with new implementations. 600b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ---------------------------------------------------------------------------*/ 601b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 602b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Generic time zone layer -------------------------------------------------- */ 603b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 604b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Time zone utilities */ 605b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI void U_EXPORT2 606b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_tzset() 607b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 608b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho#if defined(U_TZSET) 609b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru U_TZSET(); 610b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 611b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* no initialization*/ 612b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 613b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 614b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 615b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI int32_t U_EXPORT2 616b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_timezone() 617b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 618b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifdef U_TIMEZONE 619b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return U_TIMEZONE; 620b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 621b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru time_t t, t1, t2; 622b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru struct tm tmrec; 623b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t tdiff = 0; 624b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 625b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru time(&t); 626b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_memcpy( &tmrec, localtime(&t), sizeof(tmrec) ); 62759d709d503bab6e2b61931737e662dd293b40578ccornelius#if U_PLATFORM != U_PF_IPHONE 62859d709d503bab6e2b61931737e662dd293b40578ccornelius UBool dst_checked = (tmrec.tm_isdst != 0); /* daylight savings time is checked*/ 62959d709d503bab6e2b61931737e662dd293b40578ccornelius#endif 630b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru t1 = mktime(&tmrec); /* local time in seconds*/ 631b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_memcpy( &tmrec, gmtime(&t), sizeof(tmrec) ); 632b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru t2 = mktime(&tmrec); /* GMT (or UTC) in seconds*/ 633b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru tdiff = t2 - t1; 63459d709d503bab6e2b61931737e662dd293b40578ccornelius 63559d709d503bab6e2b61931737e662dd293b40578ccornelius#if U_PLATFORM != U_PF_IPHONE 636b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* imitate NT behaviour, which returns same timezone offset to GMT for 63754dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius winter and summer. 63854dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius This does not work on all platforms. For instance, on glibc on Linux 63954dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius and on Mac OS 10.5, tdiff calculated above remains the same 64059d709d503bab6e2b61931737e662dd293b40578ccornelius regardless of whether DST is in effect or not. iOS is another 64159d709d503bab6e2b61931737e662dd293b40578ccornelius platform where this does not work. Linux + glibc and Mac OS 10.5 64259d709d503bab6e2b61931737e662dd293b40578ccornelius have U_TIMEZONE defined so that this code is not reached. 64359d709d503bab6e2b61931737e662dd293b40578ccornelius */ 644b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (dst_checked) 645b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru tdiff += 3600; 64659d709d503bab6e2b61931737e662dd293b40578ccornelius#endif 647b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return tdiff; 648b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 649b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 650b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 651b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Note that U_TZNAME does *not* have to be tzname, but if it is, 65285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho some platforms need to have it declared here. */ 653b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 654103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if defined(U_TZNAME) && (U_PLATFORM == U_PF_IRIX || U_PLATFORM_IS_DARWIN_BASED || (U_PLATFORM == U_PF_CYGWIN && !U_PLATFORM_USES_ONLY_WIN32_API)) 655b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* RS6000 and others reject char **tzname. */ 656b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruextern U_IMPORT char *U_TZNAME[]; 657b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 658b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 65959d709d503bab6e2b61931737e662dd293b40578ccornelius#if !UCONFIG_NO_FILE_IO && ((U_PLATFORM_IS_DARWIN_BASED && (U_PLATFORM != U_PF_IPHONE || defined(U_TIMEZONE))) || U_PLATFORM_IS_LINUX_BASED || U_PLATFORM == U_PF_BSD || U_PLATFORM == U_PF_SOLARIS) 660b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* These platforms are likely to use Olson timezone IDs. */ 661b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define CHECK_LOCALTIME_LINK 1 662103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_IS_DARWIN_BASED 663b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#include <tzfile.h> 664b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define TZZONEINFO (TZDIR "/") 6658393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius#elif U_PLATFORM == U_PF_SOLARIS 6668393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius#define TZDEFAULT "/etc/localtime" 6678393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius#define TZZONEINFO "/usr/share/lib/zoneinfo/" 66859d709d503bab6e2b61931737e662dd293b40578ccornelius#define TZZONEINFO2 "../usr/share/lib/zoneinfo/" 6698393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius#define TZ_ENV_CHECK "localtime" 67085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#else 67185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#define TZDEFAULT "/etc/localtime" 67285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#define TZZONEINFO "/usr/share/zoneinfo/" 67385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#endif 67485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#if U_HAVE_DIRENT_H 67550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#define TZFILE_SKIP "posixrules" /* tz file to skip when searching. */ 67627f654740f2a26ad62a5c155af9199af9e69b889claireho/* Some Linux distributions have 'localtime' in /usr/share/zoneinfo 67727f654740f2a26ad62a5c155af9199af9e69b889claireho symlinked to /etc/localtime, which makes searchForTZFile return 67827f654740f2a26ad62a5c155af9199af9e69b889claireho 'localtime' when it's the first match. */ 67927f654740f2a26ad62a5c155af9199af9e69b889claireho#define TZFILE_SKIP2 "localtime" 68085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#define SEARCH_TZFILE 68185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#include <dirent.h> /* Needed to search through system timezone files */ 682b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 683b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic char gTimeZoneBuffer[PATH_MAX]; 684b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic char *gTimeZoneBufferPtr = NULL; 685b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 686b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 687103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if !U_PLATFORM_USES_ONLY_WIN32_API 688b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define isNonDigit(ch) (ch < '0' || '9' < ch) 689b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool isValidOlsonID(const char *id) { 690b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t idx = 0; 691b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 692b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Determine if this is something like Iceland (Olson ID) 693b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru or AST4ADT (non-Olson ID) */ 694b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru while (id[idx] && isNonDigit(id[idx]) && id[idx] != ',') { 695b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru idx++; 696b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 697b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 698b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* If we went through the whole string, then it might be okay. 699b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru The timezone is sometimes set to "CST-7CDT", "CST6CDT5,J129,J131/19:30", 700b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru "GRNLNDST3GRNLNDDT" or similar, so we cannot use it. 701b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru The rest of the time it could be an Olson ID. George */ 702b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (UBool)(id[idx] == 0 703b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru || uprv_strcmp(id, "PST8PDT") == 0 704b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru || uprv_strcmp(id, "MST7MDT") == 0 705b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru || uprv_strcmp(id, "CST6CDT") == 0 706b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru || uprv_strcmp(id, "EST5EDT") == 0); 707b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 70827f654740f2a26ad62a5c155af9199af9e69b889claireho 70927f654740f2a26ad62a5c155af9199af9e69b889claireho/* On some Unix-like OS, 'posix' subdirectory in 71027f654740f2a26ad62a5c155af9199af9e69b889claireho /usr/share/zoneinfo replicates the top-level contents. 'right' 71127f654740f2a26ad62a5c155af9199af9e69b889claireho subdirectory has the same set of files, but individual files 71227f654740f2a26ad62a5c155af9199af9e69b889claireho are different from those in the top-level directory or 'posix' 71327f654740f2a26ad62a5c155af9199af9e69b889claireho because 'right' has files for TAI (Int'l Atomic Time) while 'posix' 71427f654740f2a26ad62a5c155af9199af9e69b889claireho has files for UTC. 71527f654740f2a26ad62a5c155af9199af9e69b889claireho When the first match for /etc/localtime is in either of them 71627f654740f2a26ad62a5c155af9199af9e69b889claireho (usually in posix because 'right' has different file contents), 71727f654740f2a26ad62a5c155af9199af9e69b889claireho or TZ environment variable points to one of them, createTimeZone 71827f654740f2a26ad62a5c155af9199af9e69b889claireho fails because, say, 'posix/America/New_York' is not an Olson 71927f654740f2a26ad62a5c155af9199af9e69b889claireho timezone id ('America/New_York' is). So, we have to skip 72027f654740f2a26ad62a5c155af9199af9e69b889claireho 'posix/' and 'right/' at the beginning. */ 72127f654740f2a26ad62a5c155af9199af9e69b889clairehostatic void skipZoneIDPrefix(const char** id) { 72227f654740f2a26ad62a5c155af9199af9e69b889claireho if (uprv_strncmp(*id, "posix/", 6) == 0 72327f654740f2a26ad62a5c155af9199af9e69b889claireho || uprv_strncmp(*id, "right/", 6) == 0) 72427f654740f2a26ad62a5c155af9199af9e69b889claireho { 72527f654740f2a26ad62a5c155af9199af9e69b889claireho *id += 6; 72627f654740f2a26ad62a5c155af9199af9e69b889claireho } 72727f654740f2a26ad62a5c155af9199af9e69b889claireho} 728b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 729b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 730103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if defined(U_TZNAME) && !U_PLATFORM_USES_ONLY_WIN32_API 731b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 732b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#define CONVERT_HOURS_TO_SECONDS(offset) (int32_t)(offset*3600) 733b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querutypedef struct OffsetZoneMapping { 734b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t offsetSeconds; 735103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius int32_t daylightType; /* 0=U_DAYLIGHT_NONE, 1=daylight in June-U_DAYLIGHT_JUNE, 2=daylight in December=U_DAYLIGHT_DECEMBER*/ 736b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *stdID; 737b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *dstID; 738b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *olsonID; 739b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} OffsetZoneMapping; 740b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 741103e9ffba2cba345d0078eb8b8db33249f81840aCraig Corneliusenum { U_DAYLIGHT_NONE=0,U_DAYLIGHT_JUNE=1,U_DAYLIGHT_DECEMBER=2 }; 742103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius 743b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 744b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruThis list tries to disambiguate a set of abbreviated timezone IDs and offsets 745b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruand maps it to an Olson ID. 746b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruBefore adding anything to this list, take a look at 747b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruicu/source/tools/tzcode/tz.alias 748b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruSometimes no daylight savings (0) is important to define due to aliases. 749b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruThis list can be tested with icu/source/test/compat/tzone.pl 750b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruMore values could be added to daylightType to increase precision. 751b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 752b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const struct OffsetZoneMapping OFFSET_ZONE_MAPPINGS[] = { 753b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-45900, 2, "CHAST", "CHADT", "Pacific/Chatham"}, 754b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-43200, 1, "PETT", "PETST", "Asia/Kamchatka"}, 755b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-43200, 2, "NZST", "NZDT", "Pacific/Auckland"}, 756b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-43200, 1, "ANAT", "ANAST", "Asia/Anadyr"}, 757b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-39600, 1, "MAGT", "MAGST", "Asia/Magadan"}, 758b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-37800, 2, "LHST", "LHST", "Australia/Lord_Howe"}, 759b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-36000, 2, "EST", "EST", "Australia/Sydney"}, 760b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-36000, 1, "SAKT", "SAKST", "Asia/Sakhalin"}, 761b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-36000, 1, "VLAT", "VLAST", "Asia/Vladivostok"}, 762b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-34200, 2, "CST", "CST", "Australia/South"}, 763b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-32400, 1, "YAKT", "YAKST", "Asia/Yakutsk"}, 764b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-32400, 1, "CHOT", "CHOST", "Asia/Choibalsan"}, 765b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-31500, 2, "CWST", "CWST", "Australia/Eucla"}, 766b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-28800, 1, "IRKT", "IRKST", "Asia/Irkutsk"}, 767b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-28800, 1, "ULAT", "ULAST", "Asia/Ulaanbaatar"}, 768b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-28800, 2, "WST", "WST", "Australia/West"}, 769b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-25200, 1, "HOVT", "HOVST", "Asia/Hovd"}, 770b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-25200, 1, "KRAT", "KRAST", "Asia/Krasnoyarsk"}, 771b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-21600, 1, "NOVT", "NOVST", "Asia/Novosibirsk"}, 772b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-21600, 1, "OMST", "OMSST", "Asia/Omsk"}, 773b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-18000, 1, "YEKT", "YEKST", "Asia/Yekaterinburg"}, 774b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-14400, 1, "SAMT", "SAMST", "Europe/Samara"}, 775b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-14400, 1, "AMT", "AMST", "Asia/Yerevan"}, 776b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-14400, 1, "AZT", "AZST", "Asia/Baku"}, 777b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-10800, 1, "AST", "ADT", "Asia/Baghdad"}, 778b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-10800, 1, "MSK", "MSD", "Europe/Moscow"}, 779b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-10800, 1, "VOLT", "VOLST", "Europe/Volgograd"}, 780b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-7200, 0, "EET", "CEST", "Africa/Tripoli"}, 781b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-7200, 1, "EET", "EEST", "Europe/Athens"}, /* Conflicts with Africa/Cairo */ 782b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-7200, 1, "IST", "IDT", "Asia/Jerusalem"}, 783b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-3600, 0, "CET", "WEST", "Africa/Algiers"}, 784b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {-3600, 2, "WAT", "WAST", "Africa/Windhoek"}, 785b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {0, 1, "GMT", "IST", "Europe/Dublin"}, 786b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {0, 1, "GMT", "BST", "Europe/London"}, 787b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {0, 0, "WET", "WEST", "Africa/Casablanca"}, 788b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {0, 0, "WET", "WET", "Africa/El_Aaiun"}, 789b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {3600, 1, "AZOT", "AZOST", "Atlantic/Azores"}, 790b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {3600, 1, "EGT", "EGST", "America/Scoresbysund"}, 791b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {10800, 1, "PMST", "PMDT", "America/Miquelon"}, 792b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {10800, 2, "UYT", "UYST", "America/Montevideo"}, 793b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {10800, 1, "WGT", "WGST", "America/Godthab"}, 794b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {10800, 2, "BRT", "BRST", "Brazil/East"}, 795b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {12600, 1, "NST", "NDT", "America/St_Johns"}, 796b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {14400, 1, "AST", "ADT", "Canada/Atlantic"}, 797b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {14400, 2, "AMT", "AMST", "America/Cuiaba"}, 798b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {14400, 2, "CLT", "CLST", "Chile/Continental"}, 799b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {14400, 2, "FKT", "FKST", "Atlantic/Stanley"}, 800b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {14400, 2, "PYT", "PYST", "America/Asuncion"}, 801b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {18000, 1, "CST", "CDT", "America/Havana"}, 802b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {18000, 1, "EST", "EDT", "US/Eastern"}, /* Conflicts with America/Grand_Turk */ 803b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {21600, 2, "EAST", "EASST", "Chile/EasterIsland"}, 804b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {21600, 0, "CST", "MDT", "Canada/Saskatchewan"}, 805b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {21600, 0, "CST", "CDT", "America/Guatemala"}, 806b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {21600, 1, "CST", "CDT", "US/Central"}, /* Conflicts with Mexico/General */ 807b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {25200, 1, "MST", "MDT", "US/Mountain"}, /* Conflicts with Mexico/BajaSur */ 808b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {28800, 0, "PST", "PST", "Pacific/Pitcairn"}, 809b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {28800, 1, "PST", "PDT", "US/Pacific"}, /* Conflicts with Mexico/BajaNorte */ 810b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {32400, 1, "AKST", "AKDT", "US/Alaska"}, 811b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru {36000, 1, "HAST", "HADT", "US/Aleutian"} 812b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru}; 813b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 814b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/*#define DEBUG_TZNAME*/ 815b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 816b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const char* remapShortTimeZone(const char *stdID, const char *dstID, int32_t daylightType, int32_t offset) 817b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 818b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t idx; 819b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifdef DEBUG_TZNAME 820b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru fprintf(stderr, "TZ=%s std=%s dst=%s daylight=%d offset=%d\n", getenv("TZ"), stdID, dstID, daylightType, offset); 821b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 822f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius for (idx = 0; idx < UPRV_LENGTHOF(OFFSET_ZONE_MAPPINGS); idx++) 823b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 824b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (offset == OFFSET_ZONE_MAPPINGS[idx].offsetSeconds 825b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru && daylightType == OFFSET_ZONE_MAPPINGS[idx].daylightType 826b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru && strcmp(OFFSET_ZONE_MAPPINGS[idx].stdID, stdID) == 0 827b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru && strcmp(OFFSET_ZONE_MAPPINGS[idx].dstID, dstID) == 0) 828b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 829b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return OFFSET_ZONE_MAPPINGS[idx].olsonID; 830b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 831b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 832b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return NULL; 833b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 834b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 835b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 83685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#ifdef SEARCH_TZFILE 83785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#define MAX_READ_SIZE 512 83885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 83985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hotypedef struct DefaultTZInfo { 84085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho char* defaultTZBuffer; 84185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho int64_t defaultTZFileSize; 84285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho FILE* defaultTZFilePtr; 84385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho UBool defaultTZstatus; 84485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho int32_t defaultTZPosition; 84585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho} DefaultTZInfo; 84685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 84785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho/* 84885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * This method compares the two files given to see if they are a match. 84985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * It is currently use to compare two TZ files. 85085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho */ 85185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hostatic UBool compareBinaryFiles(const char* defaultTZFileName, const char* TZFileName, DefaultTZInfo* tzInfo) { 85285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho FILE* file; 85385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho int64_t sizeFile; 85485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho int64_t sizeFileLeft; 85585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho int32_t sizeFileRead; 85685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho int32_t sizeFileToRead; 85785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho char bufferFile[MAX_READ_SIZE]; 85885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho UBool result = TRUE; 85985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 86085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (tzInfo->defaultTZFilePtr == NULL) { 86185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZFilePtr = fopen(defaultTZFileName, "r"); 86285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 86385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho file = fopen(TZFileName, "r"); 86485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 86585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZPosition = 0; /* reset position to begin search */ 86685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 86785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (file != NULL && tzInfo->defaultTZFilePtr != NULL) { 86885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* First check that the file size are equal. */ 86985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (tzInfo->defaultTZFileSize == 0) { 87085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho fseek(tzInfo->defaultTZFilePtr, 0, SEEK_END); 87185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZFileSize = ftell(tzInfo->defaultTZFilePtr); 87285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 87385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho fseek(file, 0, SEEK_END); 87485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho sizeFile = ftell(file); 87585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho sizeFileLeft = sizeFile; 87685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 87785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (sizeFile != tzInfo->defaultTZFileSize) { 87885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho result = FALSE; 87985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } else { 88085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Store the data from the files in seperate buffers and 88185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * compare each byte to determine equality. 88285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho */ 88385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (tzInfo->defaultTZBuffer == NULL) { 88485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho rewind(tzInfo->defaultTZFilePtr); 88585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZBuffer = (char*)uprv_malloc(sizeof(char) * tzInfo->defaultTZFileSize); 8861b7d32f919554dda9c193b32188251337bc756f1Fredrik Roubert sizeFileRead = fread(tzInfo->defaultTZBuffer, 1, tzInfo->defaultTZFileSize, tzInfo->defaultTZFilePtr); 88785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 88885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho rewind(file); 88985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho while(sizeFileLeft > 0) { 89085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho uprv_memset(bufferFile, 0, MAX_READ_SIZE); 89185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho sizeFileToRead = sizeFileLeft < MAX_READ_SIZE ? sizeFileLeft : MAX_READ_SIZE; 89285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 89385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho sizeFileRead = fread(bufferFile, 1, sizeFileToRead, file); 89485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (memcmp(tzInfo->defaultTZBuffer + tzInfo->defaultTZPosition, bufferFile, sizeFileRead) != 0) { 89585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho result = FALSE; 89685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho break; 89785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 89885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho sizeFileLeft -= sizeFileRead; 89985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZPosition += sizeFileRead; 90085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 90185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 90285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } else { 90385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho result = FALSE; 90485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 90585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 90685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (file != NULL) { 90785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho fclose(file); 90885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 90985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 91085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return result; 91185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho} 91264339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert 91364339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert 91485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho/* dirent also lists two entries: "." and ".." that we can safely ignore. */ 91585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#define SKIP1 "." 91685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#define SKIP2 ".." 91764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubertstatic UBool U_CALLCONV putil_cleanup(void); 91864339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubertstatic CharString *gSearchTZFileResult = NULL; 91964339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert 92064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert/* 92164339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert * This method recursively traverses the directory given for a matching TZ file and returns the first match. 92264339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert * This function is not thread safe - it uses a global, gSearchTZFileResult, to hold its results. 92364339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert */ 92485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hostatic char* searchForTZFile(const char* path, DefaultTZInfo* tzInfo) { 92585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho DIR* dirp = opendir(path); 92685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho DIR* subDirp = NULL; 92785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho struct dirent* dirEntry = NULL; 92885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 92985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho char* result = NULL; 93050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho if (dirp == NULL) { 93150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return result; 93250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho } 93385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 93464339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if (gSearchTZFileResult == NULL) { 93564339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert gSearchTZFileResult = new CharString; 93664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if (gSearchTZFileResult == NULL) { 93764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert return NULL; 93864339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert } 93964339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert ucln_common_registerCleanup(UCLN_COMMON_PUTIL, putil_cleanup); 94064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert } 94164339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert 94285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Save the current path */ 94364339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert UErrorCode status = U_ZERO_ERROR; 94464339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert CharString curpath(path, -1, status); 94564339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if (U_FAILURE(status)) { 94664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert return NULL; 94764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert } 94885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 94985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Check each entry in the directory. */ 95085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho while((dirEntry = readdir(dirp)) != NULL) { 95127f654740f2a26ad62a5c155af9199af9e69b889claireho const char* dirName = dirEntry->d_name; 95227f654740f2a26ad62a5c155af9199af9e69b889claireho if (uprv_strcmp(dirName, SKIP1) != 0 && uprv_strcmp(dirName, SKIP2) != 0) { 95385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Create a newpath with the new entry to test each entry in the directory. */ 95464339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert CharString newpath(curpath, status); 95564339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert newpath.append(dirName, -1, status); 95664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if (U_FAILURE(status)) { 95764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert return NULL; 95864339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert } 95985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 96064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if ((subDirp = opendir(newpath.data())) != NULL) { 96185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* If this new path is a directory, make a recursive call with the newpath. */ 96285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho closedir(subDirp); 96364339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert newpath.append('/', status); 96464339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if (U_FAILURE(status)) { 96564339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert return NULL; 96664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert } 96764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert result = searchForTZFile(newpath.data(), tzInfo); 96827f654740f2a26ad62a5c155af9199af9e69b889claireho /* 96927f654740f2a26ad62a5c155af9199af9e69b889claireho Have to get out here. Otherwise, we'd keep looking 97027f654740f2a26ad62a5c155af9199af9e69b889claireho and return the first match in the top-level directory 97127f654740f2a26ad62a5c155af9199af9e69b889claireho if there's a match in the top-level. If not, this function 97227f654740f2a26ad62a5c155af9199af9e69b889claireho would return NULL and set gTimeZoneBufferPtr to NULL in initDefault(). 97327f654740f2a26ad62a5c155af9199af9e69b889claireho It worked without this in most cases because we have a fallback of calling 97427f654740f2a26ad62a5c155af9199af9e69b889claireho localtime_r to figure out the default timezone. 97527f654740f2a26ad62a5c155af9199af9e69b889claireho */ 97627f654740f2a26ad62a5c155af9199af9e69b889claireho if (result != NULL) 97727f654740f2a26ad62a5c155af9199af9e69b889claireho break; 97827f654740f2a26ad62a5c155af9199af9e69b889claireho } else if (uprv_strcmp(TZFILE_SKIP, dirName) != 0 && uprv_strcmp(TZFILE_SKIP2, dirName) != 0) { 97964339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if(compareBinaryFiles(TZDEFAULT, newpath.data(), tzInfo)) { 98064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert int32_t amountToSkip = sizeof(TZZONEINFO) - 1; 98164339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if (amountToSkip > newpath.length()) { 98264339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert amountToSkip = newpath.length(); 98364339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert } 98464339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert const char* zoneid = newpath.data() + amountToSkip; 98527f654740f2a26ad62a5c155af9199af9e69b889claireho skipZoneIDPrefix(&zoneid); 98664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert gSearchTZFileResult->clear(); 98764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert gSearchTZFileResult->append(zoneid, -1, status); 98864339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert if (U_FAILURE(status)) { 98964339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert return NULL; 99064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert } 99164339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert result = gSearchTZFileResult->data(); 99285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Get out after the first one found. */ 99385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho break; 99485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 99585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 99685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 99785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 99885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho closedir(dirp); 99985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return result; 100085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho} 100185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#endif 100264339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert 100364339d36f8bd4db5025fe2988eda22b491a9219cFredrik RoubertU_CAPI void U_EXPORT2 100464339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubertuprv_tzname_clear_cache() 100564339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert{ 100664339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert#if defined(CHECK_LOCALTIME_LINK) && !defined(DEBUG_SKIP_LOCALTIME_LINK) 100764339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert gTimeZoneBufferPtr = NULL; 100864339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert#endif 100964339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert} 101064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert 1011b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI const char* U_EXPORT2 1012b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_tzname(int n) 1013b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 1014b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *tzid = NULL; 1015103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_USES_ONLY_WIN32_API 1016b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru tzid = uprv_detectWindowsTimeZone(); 1017b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1018b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (tzid != NULL) { 1019b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return tzid; 1020b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1021b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 1022b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1023103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius/*#if U_PLATFORM_IS_DARWIN_BASED 1024b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int ret; 1025b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1026b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru tzid = getenv("TZFILE"); 1027b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (tzid != NULL) { 1028b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return tzid; 1029b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1030b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif*/ 1031b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1032b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* This code can be temporarily disabled to test tzname resolution later on. */ 1033b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifndef DEBUG_TZNAME 1034b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru tzid = getenv("TZ"); 10358393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius if (tzid != NULL && isValidOlsonID(tzid) 10368393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius#if U_PLATFORM == U_PF_SOLARIS 10378393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius /* When TZ equals localtime on Solaris, check the /etc/localtime file. */ 10388393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius && uprv_strcmp(tzid, TZ_ENV_CHECK) != 0 10398393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius#endif 10408393335b955da7340c9f19b1b4b2d6c0c2c04be7Craig Cornelius ) { 10418de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert /* The colon forces tzset() to treat the remainder as zoneinfo path */ 10428de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert if (tzid[0] == ':') { 10438de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert tzid++; 10448de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert } 1045b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* This might be a good Olson ID. */ 104627f654740f2a26ad62a5c155af9199af9e69b889claireho skipZoneIDPrefix(&tzid); 1047b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return tzid; 1048b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1049b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* else U_TZNAME will give a better result. */ 1050b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1051b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1052103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if defined(CHECK_LOCALTIME_LINK) && !defined(DEBUG_SKIP_LOCALTIME_LINK) 1053b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Caller must handle threading issues */ 1054b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gTimeZoneBufferPtr == NULL) { 1055b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 1056b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru This is a trick to look at the name of the link to get the Olson ID 1057b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru because the tzfile contents is underspecified. 1058b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru This isn't guaranteed to work because it may not be a symlink. 1059b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 106064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert int32_t ret = (int32_t)readlink(TZDEFAULT, gTimeZoneBuffer, sizeof(gTimeZoneBuffer)-1); 1061b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (0 < ret) { 1062b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t tzZoneInfoLen = uprv_strlen(TZZONEINFO); 1063b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gTimeZoneBuffer[ret] = 0; 1064b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (uprv_strncmp(gTimeZoneBuffer, TZZONEINFO, tzZoneInfoLen) == 0 1065b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru && isValidOlsonID(gTimeZoneBuffer + tzZoneInfoLen)) 1066b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1067b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return (gTimeZoneBufferPtr = gTimeZoneBuffer + tzZoneInfoLen); 1068b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 106959d709d503bab6e2b61931737e662dd293b40578ccornelius#if U_PLATFORM == U_PF_SOLARIS 107059d709d503bab6e2b61931737e662dd293b40578ccornelius else 107159d709d503bab6e2b61931737e662dd293b40578ccornelius { 107259d709d503bab6e2b61931737e662dd293b40578ccornelius tzZoneInfoLen = uprv_strlen(TZZONEINFO2); 107359d709d503bab6e2b61931737e662dd293b40578ccornelius if (uprv_strncmp(gTimeZoneBuffer, TZZONEINFO2, tzZoneInfoLen) == 0 107459d709d503bab6e2b61931737e662dd293b40578ccornelius && isValidOlsonID(gTimeZoneBuffer + tzZoneInfoLen)) 107559d709d503bab6e2b61931737e662dd293b40578ccornelius { 107659d709d503bab6e2b61931737e662dd293b40578ccornelius return (gTimeZoneBufferPtr = gTimeZoneBuffer + tzZoneInfoLen); 107759d709d503bab6e2b61931737e662dd293b40578ccornelius } 107859d709d503bab6e2b61931737e662dd293b40578ccornelius } 107959d709d503bab6e2b61931737e662dd293b40578ccornelius#endif 108085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } else { 108185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#if defined(SEARCH_TZFILE) 108285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho DefaultTZInfo* tzInfo = (DefaultTZInfo*)uprv_malloc(sizeof(DefaultTZInfo)); 108385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (tzInfo != NULL) { 108485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZBuffer = NULL; 108585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZFileSize = 0; 108685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZFilePtr = NULL; 108785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZstatus = FALSE; 108885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho tzInfo->defaultTZPosition = 0; 108985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 109085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho gTimeZoneBufferPtr = searchForTZFile(TZZONEINFO, tzInfo); 109185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 109285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Free previously allocated memory */ 109385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (tzInfo->defaultTZBuffer != NULL) { 109485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho uprv_free(tzInfo->defaultTZBuffer); 109585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 109685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (tzInfo->defaultTZFilePtr != NULL) { 109785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho fclose(tzInfo->defaultTZFilePtr); 109885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 109985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho uprv_free(tzInfo); 110085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 110185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 110285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (gTimeZoneBufferPtr != NULL && isValidOlsonID(gTimeZoneBufferPtr)) { 110385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return gTimeZoneBufferPtr; 110485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 110585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#endif 1106b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1107b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1108b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else { 1109b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return gTimeZoneBufferPtr; 1110b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1111b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1112b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1113b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1114b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#ifdef U_TZNAME 1115103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_USES_ONLY_WIN32_API 111650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho /* The return value is free'd in timezone.cpp on Windows because 111750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * the other code path returns a pointer to a heap location. */ 111850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return uprv_strdup(U_TZNAME[n]); 111950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#else 1120b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 1121b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru U_TZNAME is usually a non-unique abbreviation, which isn't normally usable. 1122b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru So we remap the abbreviation to an olson ID. 1123b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1124b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Since Windows exposes a little more timezone information, 1125b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru we normally don't use this code on Windows because 1126b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_detectWindowsTimeZone should have already given the correct answer. 1127b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1128b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1129b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru struct tm juneSol, decemberSol; 1130b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int daylightType; 1131b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static const time_t juneSolstice=1182478260; /*2007-06-21 18:11 UT*/ 1132b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static const time_t decemberSolstice=1198332540; /*2007-12-22 06:09 UT*/ 1133b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1134b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* This probing will tell us when daylight savings occurs. */ 1135b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru localtime_r(&juneSolstice, &juneSol); 1136b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru localtime_r(&decemberSolstice, &decemberSol); 1137103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius if(decemberSol.tm_isdst > 0) { 1138103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius daylightType = U_DAYLIGHT_DECEMBER; 1139103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius } else if(juneSol.tm_isdst > 0) { 1140103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius daylightType = U_DAYLIGHT_JUNE; 1141103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius } else { 1142103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius daylightType = U_DAYLIGHT_NONE; 1143103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius } 1144b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru tzid = remapShortTimeZone(U_TZNAME[0], U_TZNAME[1], daylightType, uprv_timezone()); 1145b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (tzid != NULL) { 1146b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return tzid; 1147b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1148b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1149b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return U_TZNAME[n]; 115050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 1151b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 1152b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return ""; 1153b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1154b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1155b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1156b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* Get and set the ICU data directory --------------------------------------- */ 1157b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1158f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusstatic icu::UInitOnce gDataDirInitOnce = U_INITONCE_INITIALIZER; 1159b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic char *gDataDirectory = NULL; 1160f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 1161f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusUInitOnce gTimeZoneFilesInitOnce = U_INITONCE_INITIALIZER; 1162f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusstatic CharString *gTimeZoneFilesDirectory = NULL; 1163f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 116459d709d503bab6e2b61931737e662dd293b40578ccornelius#if U_POSIX_LOCALE || U_PLATFORM_USES_ONLY_WIN32_API 1165b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static char *gCorrectedPOSIXLocale = NULL; /* Heap allocated */ 1166b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1167b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1168b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic UBool U_CALLCONV putil_cleanup(void) 1169b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 1170b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gDataDirectory && *gDataDirectory) { 1171b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_free(gDataDirectory); 1172b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1173b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gDataDirectory = NULL; 1174f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius gDataDirInitOnce.reset(); 1175f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 1176f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius delete gTimeZoneFilesDirectory; 1177f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius gTimeZoneFilesDirectory = NULL; 1178f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius gTimeZoneFilesInitOnce.reset(); 1179f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 118064339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert#ifdef SEARCH_TZFILE 118164339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert delete gSearchTZFileResult; 118264339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert gSearchTZFileResult = NULL; 118364339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert#endif 118464339d36f8bd4db5025fe2988eda22b491a9219cFredrik Roubert 118559d709d503bab6e2b61931737e662dd293b40578ccornelius#if U_POSIX_LOCALE || U_PLATFORM_USES_ONLY_WIN32_API 1186b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gCorrectedPOSIXLocale) { 1187b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_free(gCorrectedPOSIXLocale); 1188b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gCorrectedPOSIXLocale = NULL; 1189b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1190b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1191b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 1192b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1193b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1194b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 1195b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Set the data directory. 1196b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Make a copy of the passed string, and set the global data dir to point to it. 1197b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1198b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI void U_EXPORT2 1199b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_setDataDirectory(const char *directory) { 1200b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char *newDataDir; 1201b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t length; 1202b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1203b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(directory==NULL || *directory==0) { 1204b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* A small optimization to prevent the malloc and copy when the 1205b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru shared library is used, and this is a way to make sure that NULL 1206b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru is never returned. 1207b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1208b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru newDataDir = (char *)""; 1209b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1210b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else { 1211b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru length=(int32_t)uprv_strlen(directory); 1212b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru newDataDir = (char *)uprv_malloc(length + 2); 121385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Exit out if newDataDir could not be created. */ 121485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (newDataDir == NULL) { 121585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return; 121685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 1217b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcpy(newDataDir, directory); 1218b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1219b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if (U_FILE_SEP_CHAR != U_FILE_ALT_SEP_CHAR) 1220b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1221b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char *p; 1222b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru while(p = uprv_strchr(newDataDir, U_FILE_ALT_SEP_CHAR)) { 1223b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *p = U_FILE_SEP_CHAR; 1224b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1225b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1226b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1227b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1228b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1229b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gDataDirectory && *gDataDirectory) { 1230b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_free(gDataDirectory); 1231b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1232b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gDataDirectory = newDataDir; 1233b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ucln_common_registerCleanup(UCLN_COMMON_PUTIL, putil_cleanup); 1234b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1235b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1236b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI UBool U_EXPORT2 123785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Houprv_pathIsAbsolute(const char *path) 1238b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 123985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if(!path || !*path) { 124085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return FALSE; 1241b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1242b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1243b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(*path == U_FILE_SEP_CHAR) { 1244b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 1245b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1246b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1247b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if (U_FILE_SEP_CHAR != U_FILE_ALT_SEP_CHAR) 1248b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(*path == U_FILE_ALT_SEP_CHAR) { 1249b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 1250b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1251b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1252b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1253103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_USES_ONLY_WIN32_API 1254b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if( (((path[0] >= 'A') && (path[0] <= 'Z')) || 1255b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ((path[0] >= 'a') && (path[0] <= 'z'))) && 1256b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru path[1] == ':' ) { 1257b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return TRUE; 1258b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1259b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1260b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1261b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return FALSE; 1262b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1263b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 126427f654740f2a26ad62a5c155af9199af9e69b889claireho/* Temporary backup setting of ICU_DATA_DIR_PREFIX_ENV_VAR 126527f654740f2a26ad62a5c155af9199af9e69b889claireho until some client wrapper makefiles are updated */ 1266103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_IS_DARWIN_BASED && TARGET_IPHONE_SIMULATOR 126727f654740f2a26ad62a5c155af9199af9e69b889claireho# if !defined(ICU_DATA_DIR_PREFIX_ENV_VAR) 126827f654740f2a26ad62a5c155af9199af9e69b889claireho# define ICU_DATA_DIR_PREFIX_ENV_VAR "IPHONE_SIMULATOR_ROOT" 126927f654740f2a26ad62a5c155af9199af9e69b889claireho# endif 127027f654740f2a26ad62a5c155af9199af9e69b889claireho#endif 127127f654740f2a26ad62a5c155af9199af9e69b889claireho 1272f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusstatic void U_CALLCONV dataDirectoryInitFn() { 1273f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius /* If we already have the directory, then return immediately. Will happen if user called 1274f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius * u_setDataDirectory(). 1275f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius */ 1276f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius if (gDataDirectory) { 1277f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius return; 1278f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius } 1279f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 1280b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *path = NULL; 128102fdd983fede27bf25bddfbe3b5deb20813df5efElliott Hughes#if defined(ICU_DATA_DIR_PREFIX_ENV_VAR) 128250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho char datadir_path_buffer[PATH_MAX]; 128350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 1284b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1285b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 1286b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru When ICU_NO_USER_DATA_OVERRIDE is defined, users aren't allowed to 1287b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru override ICU's data with the ICU_DATA environment variable. This prevents 1288b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru problems where multiple custom copies of ICU's specific version of data 1289b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru are installed on a system. Either the application must define the data 1290b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru directory with u_setDataDirectory, define ICU_DATA_DIR when compiling 1291b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ICU, set the data with udata_setCommonData or trust that all of the 1292b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru required data is contained in ICU's data library that contains 1293b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru the entry point defined by U_ICUDATA_ENTRY_POINT. 1294b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1295b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru There may also be some platforms where environment variables 1296b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru are not allowed. 1297b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1298b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# if !defined(ICU_NO_USER_DATA_OVERRIDE) && !UCONFIG_NO_FILE_IO 1299b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* First try to get the environment variable */ 1300b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru path=getenv("ICU_DATA"); 1301b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru# endif 1302b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 130327f654740f2a26ad62a5c155af9199af9e69b889claireho /* ICU_DATA_DIR may be set as a compile option. 130427f654740f2a26ad62a5c155af9199af9e69b889claireho * U_ICU_DATA_DEFAULT_DIR is provided and is set by ICU at compile time 130527f654740f2a26ad62a5c155af9199af9e69b889claireho * and is used only when data is built in archive mode eliminating the need 130627f654740f2a26ad62a5c155af9199af9e69b889claireho * for ICU_DATA_DIR to be set. U_ICU_DATA_DEFAULT_DIR is set to the installation 130727f654740f2a26ad62a5c155af9199af9e69b889claireho * directory of the data dat file. Users should use ICU_DATA_DIR if they want to 130827f654740f2a26ad62a5c155af9199af9e69b889claireho * set their own path. 130927f654740f2a26ad62a5c155af9199af9e69b889claireho */ 131027f654740f2a26ad62a5c155af9199af9e69b889claireho#if defined(ICU_DATA_DIR) || defined(U_ICU_DATA_DEFAULT_DIR) 1311b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(path==NULL || *path==0) { 131227f654740f2a26ad62a5c155af9199af9e69b889claireho# if defined(ICU_DATA_DIR_PREFIX_ENV_VAR) 131302fdd983fede27bf25bddfbe3b5deb20813df5efElliott Hughes const char *prefix = getenv(ICU_DATA_DIR_PREFIX_ENV_VAR); 131427f654740f2a26ad62a5c155af9199af9e69b889claireho# endif 131527f654740f2a26ad62a5c155af9199af9e69b889claireho# ifdef ICU_DATA_DIR 131627f654740f2a26ad62a5c155af9199af9e69b889claireho path=ICU_DATA_DIR; 131727f654740f2a26ad62a5c155af9199af9e69b889claireho# else 131827f654740f2a26ad62a5c155af9199af9e69b889claireho path=U_ICU_DATA_DEFAULT_DIR; 131927f654740f2a26ad62a5c155af9199af9e69b889claireho# endif 132027f654740f2a26ad62a5c155af9199af9e69b889claireho# if defined(ICU_DATA_DIR_PREFIX_ENV_VAR) 132102fdd983fede27bf25bddfbe3b5deb20813df5efElliott Hughes if (prefix != NULL) { 132227f654740f2a26ad62a5c155af9199af9e69b889claireho snprintf(datadir_path_buffer, PATH_MAX, "%s%s", prefix, path); 132350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho path=datadir_path_buffer; 132450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho } 132527f654740f2a26ad62a5c155af9199af9e69b889claireho# endif 1326b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 132727f654740f2a26ad62a5c155af9199af9e69b889claireho#endif 1328b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1329b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(path==NULL) { 1330b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* It looks really bad, set it to something. */ 1331b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru path = ""; 1332b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1333b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1334b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru u_setDataDirectory(path); 1335f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius return; 1336f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius} 1337f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 1338f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusU_CAPI const char * U_EXPORT2 1339f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusu_getDataDirectory(void) { 1340f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius umtx_initOnce(gDataDirInitOnce, &dataDirectoryInitFn); 1341b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return gDataDirectory; 1342b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1343b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1344f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusstatic void setTimeZoneFilesDir(const char *path, UErrorCode &status) { 1345f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius if (U_FAILURE(status)) { 1346f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius return; 1347f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius } 1348f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius gTimeZoneFilesDirectory->clear(); 1349f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius gTimeZoneFilesDirectory->append(path, status); 1350f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#if (U_FILE_SEP_CHAR != U_FILE_ALT_SEP_CHAR) 1351f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius char *p = gTimeZoneFilesDirectory->data(); 1352f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius while (p = uprv_strchr(p, U_FILE_ALT_SEP_CHAR)) { 1353f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius *p = U_FILE_SEP_CHAR; 1354f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius } 1355f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#endif 1356f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius} 1357b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1358f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#define TO_STRING(x) TO_STRING_2(x) 1359f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#define TO_STRING_2(x) #x 1360b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1361f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusstatic void U_CALLCONV TimeZoneDataDirInitFn(UErrorCode &status) { 1362f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius U_ASSERT(gTimeZoneFilesDirectory == NULL); 1363f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius ucln_common_registerCleanup(UCLN_COMMON_PUTIL, putil_cleanup); 1364f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius gTimeZoneFilesDirectory = new CharString(); 1365f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius if (gTimeZoneFilesDirectory == NULL) { 1366f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius status = U_MEMORY_ALLOCATION_ERROR; 1367f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius return; 1368f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius } 1369f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius const char *dir = getenv("ICU_TIMEZONE_FILES_DIR"); 1370f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#if defined(U_TIMEZONE_FILES_DIR) 1371f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius if (dir == NULL) { 1372f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius dir = TO_STRING(U_TIMEZONE_FILES_DIR); 1373f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius } 1374f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius#endif 1375f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius if (dir == NULL) { 1376f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius dir = ""; 1377f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius } 1378f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius setTimeZoneFilesDir(dir, status); 1379f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius} 1380b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1381b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1382f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusU_CAPI const char * U_EXPORT2 1383f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusu_getTimeZoneFilesDirectory(UErrorCode *status) { 1384f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius umtx_initOnce(gTimeZoneFilesInitOnce, &TimeZoneDataDirInitFn, *status); 1385f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius return U_SUCCESS(*status) ? gTimeZoneFilesDirectory->data() : ""; 1386f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius} 1387f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 1388f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusU_CAPI void U_EXPORT2 1389f9878a236aa0d9662d8e40cafdaf2e04cd615835ccorneliusu_setTimeZoneFilesDirectory(const char *path, UErrorCode *status) { 1390f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius umtx_initOnce(gTimeZoneFilesInitOnce, &TimeZoneDataDirInitFn, *status); 1391f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius setTimeZoneFilesDir(path, *status); 1392f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius 1393f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius // Note: this function does some extra churn, first setting based on the 1394f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius // environment, then immediately replacing with the value passed in. 1395f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius // The logic is simpler that way, and performance shouldn't be an issue. 1396f9878a236aa0d9662d8e40cafdaf2e04cd615835ccornelius} 1397b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1398b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1399b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if U_POSIX_LOCALE 140027f654740f2a26ad62a5c155af9199af9e69b889claireho/* A helper function used by uprv_getPOSIXIDForDefaultLocale and 140127f654740f2a26ad62a5c155af9199af9e69b889claireho * uprv_getPOSIXIDForDefaultCodepage. Returns the posix locale id for 140227f654740f2a26ad62a5c155af9199af9e69b889claireho * LC_CTYPE and LC_MESSAGES. It doesn't support other locale categories. 140327f654740f2a26ad62a5c155af9199af9e69b889claireho */ 140427f654740f2a26ad62a5c155af9199af9e69b889clairehostatic const char *uprv_getPOSIXIDForCategory(int category) 1405b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 140627f654740f2a26ad62a5c155af9199af9e69b889claireho const char* posixID = NULL; 140727f654740f2a26ad62a5c155af9199af9e69b889claireho if (category == LC_MESSAGES || category == LC_CTYPE) { 1408b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 140985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * On Solaris two different calls to setlocale can result in 1410b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * different values. Only get this value once. 1411b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 1412b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * We must check this first because an application can set this. 1413b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 1414b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * LC_ALL can't be used because it's platform dependent. The LANG 1415b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * environment variable seems to affect LC_CTYPE variable by default. 1416b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Here is what setlocale(LC_ALL, NULL) can return. 1417b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * HPUX can return 'C C C C C C C' 1418b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Solaris can return /en_US/C/C/C/C/C on the second try. 1419b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Linux can return LC_CTYPE=C;LC_NUMERIC=C;... 1420b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 1421b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * The default codepage detection also needs to use LC_CTYPE. 142285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * 1423b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Do not call setlocale(LC_*, "")! Using an empty string instead 1424b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * of NULL, will modify the libc behavior. 1425b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 142627f654740f2a26ad62a5c155af9199af9e69b889claireho posixID = setlocale(category, NULL); 1427b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if ((posixID == 0) 1428b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru || (uprv_strcmp("C", posixID) == 0) 1429b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru || (uprv_strcmp("POSIX", posixID) == 0)) 1430b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1431b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Maybe we got some garbage. Try something more reasonable */ 1432b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru posixID = getenv("LC_ALL"); 14338de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert /* Solaris speaks POSIX - See IEEE Std 1003.1-2008 14348de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert * This is needed to properly handle empty env. variables 14358de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert */ 14368de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert#if U_PLATFORM == U_PF_SOLARIS 14378de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert if ((posixID == 0) || (posixID[0] == '\0')) { 14388de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert posixID = getenv(category == LC_MESSAGES ? "LC_MESSAGES" : "LC_CTYPE"); 14398de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert if ((posixID == 0) || (posixID[0] == '\0')) { 14408de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert#else 1441b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (posixID == 0) { 144227f654740f2a26ad62a5c155af9199af9e69b889claireho posixID = getenv(category == LC_MESSAGES ? "LC_MESSAGES" : "LC_CTYPE"); 1443b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (posixID == 0) { 14448de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert#endif 1445b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru posixID = getenv("LANG"); 1446b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1447b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1448b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 144927f654740f2a26ad62a5c155af9199af9e69b889claireho } 145027f654740f2a26ad62a5c155af9199af9e69b889claireho if ((posixID==0) 145127f654740f2a26ad62a5c155af9199af9e69b889claireho || (uprv_strcmp("C", posixID) == 0) 145227f654740f2a26ad62a5c155af9199af9e69b889claireho || (uprv_strcmp("POSIX", posixID) == 0)) 145327f654740f2a26ad62a5c155af9199af9e69b889claireho { 145427f654740f2a26ad62a5c155af9199af9e69b889claireho /* Nothing worked. Give it a nice POSIX default value. */ 145527f654740f2a26ad62a5c155af9199af9e69b889claireho posixID = "en_US_POSIX"; 145627f654740f2a26ad62a5c155af9199af9e69b889claireho } 145727f654740f2a26ad62a5c155af9199af9e69b889claireho return posixID; 145827f654740f2a26ad62a5c155af9199af9e69b889claireho} 1459b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 146027f654740f2a26ad62a5c155af9199af9e69b889claireho/* Return just the POSIX id for the default locale, whatever happens to be in 146127f654740f2a26ad62a5c155af9199af9e69b889claireho * it. It gets the value from LC_MESSAGES and indirectly from LC_ALL and LANG. 146227f654740f2a26ad62a5c155af9199af9e69b889claireho */ 146327f654740f2a26ad62a5c155af9199af9e69b889clairehostatic const char *uprv_getPOSIXIDForDefaultLocale(void) 146427f654740f2a26ad62a5c155af9199af9e69b889claireho{ 146527f654740f2a26ad62a5c155af9199af9e69b889claireho static const char* posixID = NULL; 146627f654740f2a26ad62a5c155af9199af9e69b889claireho if (posixID == 0) { 146727f654740f2a26ad62a5c155af9199af9e69b889claireho posixID = uprv_getPOSIXIDForCategory(LC_MESSAGES); 1468b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 146927f654740f2a26ad62a5c155af9199af9e69b889claireho return posixID; 147027f654740f2a26ad62a5c155af9199af9e69b889claireho} 1471b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 147254dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#if !U_CHARSET_IS_UTF8 147327f654740f2a26ad62a5c155af9199af9e69b889claireho/* Return just the POSIX id for the default codepage, whatever happens to be in 147427f654740f2a26ad62a5c155af9199af9e69b889claireho * it. It gets the value from LC_CTYPE and indirectly from LC_ALL and LANG. 147527f654740f2a26ad62a5c155af9199af9e69b889claireho */ 147627f654740f2a26ad62a5c155af9199af9e69b889clairehostatic const char *uprv_getPOSIXIDForDefaultCodepage(void) 147727f654740f2a26ad62a5c155af9199af9e69b889claireho{ 147827f654740f2a26ad62a5c155af9199af9e69b889claireho static const char* posixID = NULL; 147927f654740f2a26ad62a5c155af9199af9e69b889claireho if (posixID == 0) { 148027f654740f2a26ad62a5c155af9199af9e69b889claireho posixID = uprv_getPOSIXIDForCategory(LC_CTYPE); 148127f654740f2a26ad62a5c155af9199af9e69b889claireho } 1482b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return posixID; 1483b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1484b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 148554dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#endif 1486b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1487b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* NOTE: The caller should handle thread safety */ 1488b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI const char* U_EXPORT2 1489b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_getDefaultLocaleID() 1490b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 1491b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if U_POSIX_LOCALE 1492b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 1493b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Note that: (a '!' means the ID is improper somehow) 1494b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru LC_ALL ----> default_loc codepage 1495b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru-------------------------------------------------------- 1496b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ab.CD ab CD 1497b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ab@CD ab__CD - 1498b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ab@CD.EF ab__CD EF 1499b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1500b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ab_CD.EF@GH ab_CD_GH EF 1501b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1502b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruSome 'improper' ways to do the same as above: 1503b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ! ab_CD@GH.EF ab_CD_GH EF 1504b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ! ab_CD.EF@GH.IJ ab_CD_GH EF 1505b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ! ab_CD@ZZ.EF@GH.IJ ab_CD_GH EF 1506b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1507b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru _CD@GH _CD_GH - 1508b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru _CD.EF@GH _CD_GH EF 1509b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1510b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruThe variant cannot have dots in it. 1511b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruThe 'rightmost' variant (@xxx) wins. 1512b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruThe leftmost codepage (.xxx) wins. 1513b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 1514b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char *correctedPOSIXLocale = 0; 151527f654740f2a26ad62a5c155af9199af9e69b889claireho const char* posixID = uprv_getPOSIXIDForDefaultLocale(); 1516b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *p; 1517b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *q; 1518b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int32_t len; 1519b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1520b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Format: (no spaces) 1521b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ll [ _CC ] [ . MM ] [ @ VV] 1522b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1523b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru l = lang, C = ctry, M = charmap, V = variant 1524b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1525b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1526b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gCorrectedPOSIXLocale != NULL) { 152785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return gCorrectedPOSIXLocale; 1528b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1529b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1530b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if ((p = uprv_strchr(posixID, '.')) != NULL) { 1531b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* assume new locale can't be larger than old one? */ 153254dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius correctedPOSIXLocale = static_cast<char *>(uprv_malloc(uprv_strlen(posixID)+1)); 153385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Exit on memory allocation error. */ 153485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (correctedPOSIXLocale == NULL) { 153585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return NULL; 153685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 1537b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strncpy(correctedPOSIXLocale, posixID, p-posixID); 1538b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedPOSIXLocale[p-posixID] = 0; 1539b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1540b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* do not copy after the @ */ 1541b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if ((p = uprv_strchr(correctedPOSIXLocale, '@')) != NULL) { 1542b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedPOSIXLocale[p-correctedPOSIXLocale] = 0; 1543b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1544b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1545b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1546b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Note that we scan the *uncorrected* ID. */ 1547b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if ((p = uprv_strrchr(posixID, '@')) != NULL) { 1548b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (correctedPOSIXLocale == NULL) { 154954dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius correctedPOSIXLocale = static_cast<char *>(uprv_malloc(uprv_strlen(posixID)+1)); 155085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Exit on memory allocation error. */ 155185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (correctedPOSIXLocale == NULL) { 155285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return NULL; 155385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 1554b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strncpy(correctedPOSIXLocale, posixID, p-posixID); 1555b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedPOSIXLocale[p-posixID] = 0; 1556b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1557b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru p++; 1558b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1559b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Take care of any special cases here.. */ 1560b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (!uprv_strcmp(p, "nynorsk")) { 1561b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru p = "NY"; 1562b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Don't worry about no__NY. In practice, it won't appear. */ 1563b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1564b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1565b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (uprv_strchr(correctedPOSIXLocale,'_') == NULL) { 1566b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcat(correctedPOSIXLocale, "__"); /* aa@b -> aa__b */ 1567b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1568b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else { 1569b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcat(correctedPOSIXLocale, "_"); /* aa_CC@b -> aa_CC_b */ 1570b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1571b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1572b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if ((q = uprv_strchr(p, '.')) != NULL) { 1573b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* How big will the resulting string be? */ 1574b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru len = (int32_t)(uprv_strlen(correctedPOSIXLocale) + (q-p)); 1575b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strncat(correctedPOSIXLocale, p, q-p); 1576b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedPOSIXLocale[len] = 0; 1577b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1578b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else { 1579b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Anything following the @ sign */ 1580b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcat(correctedPOSIXLocale, p); 1581b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1582b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1583b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Should there be a map from 'no@nynorsk' -> no_NO_NY here? 1584b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * How about 'russian' -> 'ru'? 1585b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Many of the other locales using ISO codes will be handled by the 1586b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * canonicalization functions in uloc_getDefault. 1587b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1588b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1589b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1590b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Was a correction made? */ 1591b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (correctedPOSIXLocale != NULL) { 1592b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru posixID = correctedPOSIXLocale; 1593b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1594b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else { 1595b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* copy it, just in case the original pointer goes away. See j2395 */ 1596b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedPOSIXLocale = (char *)uprv_malloc(uprv_strlen(posixID) + 1); 159785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Exit on memory allocation error. */ 159885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (correctedPOSIXLocale == NULL) { 159985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho return NULL; 160085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 1601b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru posixID = uprv_strcpy(correctedPOSIXLocale, posixID); 1602b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1603b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1604b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (gCorrectedPOSIXLocale == NULL) { 1605b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru gCorrectedPOSIXLocale = correctedPOSIXLocale; 1606b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ucln_common_registerCleanup(UCLN_COMMON_PUTIL, putil_cleanup); 1607b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedPOSIXLocale = NULL; 1608b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1609b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1610b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (correctedPOSIXLocale != NULL) { /* Was already set - clean up. */ 161185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho uprv_free(correctedPOSIXLocale); 1612b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1613b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1614b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return posixID; 1615b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1616103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM_USES_ONLY_WIN32_API 161759d709d503bab6e2b61931737e662dd293b40578ccornelius#define POSIX_LOCALE_CAPACITY 64 1618b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru UErrorCode status = U_ZERO_ERROR; 161959d709d503bab6e2b61931737e662dd293b40578ccornelius char *correctedPOSIXLocale = 0; 162059d709d503bab6e2b61931737e662dd293b40578ccornelius 162159d709d503bab6e2b61931737e662dd293b40578ccornelius if (gCorrectedPOSIXLocale != NULL) { 162259d709d503bab6e2b61931737e662dd293b40578ccornelius return gCorrectedPOSIXLocale; 162359d709d503bab6e2b61931737e662dd293b40578ccornelius } 162459d709d503bab6e2b61931737e662dd293b40578ccornelius 1625b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru LCID id = GetThreadLocale(); 162659d709d503bab6e2b61931737e662dd293b40578ccornelius correctedPOSIXLocale = static_cast<char *>(uprv_malloc(POSIX_LOCALE_CAPACITY + 1)); 162759d709d503bab6e2b61931737e662dd293b40578ccornelius if (correctedPOSIXLocale) { 162859d709d503bab6e2b61931737e662dd293b40578ccornelius int32_t posixLen = uprv_convertToPosix(id, correctedPOSIXLocale, POSIX_LOCALE_CAPACITY, &status); 162959d709d503bab6e2b61931737e662dd293b40578ccornelius if (U_SUCCESS(status)) { 163059d709d503bab6e2b61931737e662dd293b40578ccornelius *(correctedPOSIXLocale + posixLen) = 0; 163159d709d503bab6e2b61931737e662dd293b40578ccornelius gCorrectedPOSIXLocale = correctedPOSIXLocale; 163259d709d503bab6e2b61931737e662dd293b40578ccornelius ucln_common_registerCleanup(UCLN_COMMON_PUTIL, putil_cleanup); 163359d709d503bab6e2b61931737e662dd293b40578ccornelius } else { 163459d709d503bab6e2b61931737e662dd293b40578ccornelius uprv_free(correctedPOSIXLocale); 163559d709d503bab6e2b61931737e662dd293b40578ccornelius } 163659d709d503bab6e2b61931737e662dd293b40578ccornelius } 1637b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 163859d709d503bab6e2b61931737e662dd293b40578ccornelius if (gCorrectedPOSIXLocale == NULL) { 163959d709d503bab6e2b61931737e662dd293b40578ccornelius return "en_US"; 1640b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 164159d709d503bab6e2b61931737e662dd293b40578ccornelius return gCorrectedPOSIXLocale; 1642b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1643103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_OS400 1644b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* locales are process scoped and are by definition thread safe */ 1645b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static char correctedLocale[64]; 1646b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *localeID = getenv("LC_ALL"); 1647b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char *p; 1648b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1649b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (localeID == NULL) 1650b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru localeID = getenv("LANG"); 1651b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (localeID == NULL) 1652b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru localeID = setlocale(LC_ALL, NULL); 1653b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Make sure we have something... */ 1654b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (localeID == NULL) 1655b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return "en_US_POSIX"; 1656b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1657b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Extract the locale name from the path. */ 1658b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if((p = uprv_strrchr(localeID, '/')) != NULL) 1659b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1660b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Increment p to start of locale name. */ 1661b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru p++; 1662b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru localeID = p; 1663b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1664b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1665b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Copy to work location. */ 1666b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcpy(correctedLocale, localeID); 1667b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1668b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Strip off the '.locale' extension. */ 1669b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if((p = uprv_strchr(correctedLocale, '.')) != NULL) { 1670b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *p = 0; 1671b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1672b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1673b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Upper case the locale name. */ 1674b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru T_CString_toUpperCase(correctedLocale); 1675b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1676b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* See if we are using the POSIX locale. Any of the 1677b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * following are equivalent and use the same QLGPGCMA 1678b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * (POSIX) locale. 1679b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * QLGPGCMA2 means UCS2 1680b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * QLGPGCMA_4 means UTF-32 1681b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * QLGPGCMA_8 means UTF-8 1682b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1683b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if ((uprv_strcmp("C", correctedLocale) == 0) || 1684b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (uprv_strcmp("POSIX", correctedLocale) == 0) || 1685b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (uprv_strncmp("QLGPGCMA", correctedLocale, 8) == 0)) 1686b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1687b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcpy(correctedLocale, "en_US_POSIX"); 1688b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1689b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else 1690b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1691b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru int16_t LocaleLen; 1692b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1693b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Lower case the lang portion. */ 1694b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(p = correctedLocale; *p != 0 && *p != '_'; p++) 1695b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1696b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *p = uprv_tolower(*p); 1697b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1698b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1699b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Adjust for Euro. After '_E' add 'URO'. */ 1700b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru LocaleLen = uprv_strlen(correctedLocale); 1701b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (correctedLocale[LocaleLen - 2] == '_' && 1702b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedLocale[LocaleLen - 1] == 'E') 1703b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1704b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcat(correctedLocale, "URO"); 1705b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1706b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1707b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* If using Lotus-based locale then convert to 1708b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * equivalent non Lotus. 1709b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1710b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (correctedLocale[LocaleLen - 2] == '_' && 1711b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedLocale[LocaleLen - 1] == 'L') 1712b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1713b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru correctedLocale[LocaleLen - 2] = 0; 1714b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1715b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1716b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* There are separate simplified and traditional 1717b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * locales called zh_HK_S and zh_HK_T. 1718b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1719b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strncmp(correctedLocale, "zh_HK", 5) == 0) 1720b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1721b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcpy(correctedLocale, "zh_HK"); 1722b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1723b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1724b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* A special zh_CN_GBK locale... 1725b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1726b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strcmp(correctedLocale, "zh_CN_GBK") == 0) 1727b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1728b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strcpy(correctedLocale, "zh_CN"); 1729b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1730b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1731b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1732b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1733b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return correctedLocale; 1734b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1735b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1736b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1737b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 173885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#if !U_CHARSET_IS_UTF8 1739b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#if U_POSIX_LOCALE 1740b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 1741b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruDue to various platform differences, one platform may specify a charset, 1742b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruwhen they really mean a different charset. Remap the names so that they are 1743b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querucompatible with ICU. Only conflicting/ambiguous aliases should be resolved 1744b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruhere. Before adding anything to this function, please consider adding unique 1745b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querunames to the ICU alias table in the data directory. 1746b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru*/ 1747b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Querustatic const char* 1748b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruremapPlatformDependentCodepage(const char *locale, const char *name) { 1749b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (locale != NULL && *locale == 0) { 1750b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Make sure that an empty locale is handled the same way. */ 1751b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru locale = NULL; 1752b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1753b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (name == NULL) { 1754b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return NULL; 1755b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1756103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM == U_PF_AIX 1757b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (uprv_strcmp(name, "IBM-943") == 0) { 1758b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Use the ASCII compatible ibm-943 */ 1759b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "Shift-JIS"; 1760b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1761b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strcmp(name, "IBM-1252") == 0) { 1762b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Use the windows-1252 that contains the Euro */ 1763b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "IBM-5348"; 1764b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1765103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_SOLARIS 1766b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (locale != NULL && uprv_strcmp(name, "EUC") == 0) { 1767b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Solaris underspecifies the "EUC" name. */ 1768b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (uprv_strcmp(locale, "zh_CN") == 0) { 1769b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "EUC-CN"; 1770b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1771b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strcmp(locale, "zh_TW") == 0) { 1772b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "EUC-TW"; 1773b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1774b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strcmp(locale, "ko_KR") == 0) { 1775b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "EUC-KR"; 1776b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1777b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1778b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strcmp(name, "eucJP") == 0) { 1779b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 1780b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-954 is the best match. 1781b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-33722 is the default for eucJP (similar to Windows). 1782b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1783b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "eucjis"; 1784b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 178585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho else if (uprv_strcmp(name, "646") == 0) { 178685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* 178785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * The default codepage given by Solaris is 646 but the C library routines treat it as if it was 178885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho * ISO-8859-1 instead of US-ASCII(646). 178985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho */ 179085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho name = "ISO-8859-1"; 179185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 1792103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM_IS_DARWIN_BASED 1793b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (locale == NULL && *name == 0) { 1794b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 1795b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru No locale was specified, and an empty name was passed in. 1796b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru This usually indicates that nl_langinfo didn't return valid information. 1797b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Mac OS X uses UTF-8 by default (especially the locale data and console). 1798b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1799b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "UTF-8"; 1800b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 180185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho else if (uprv_strcmp(name, "CP949") == 0) { 180285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Remap CP949 to a similar codepage to avoid issues with backslash and won symbol. */ 180385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho name = "EUC-KR"; 180485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 180550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho else if (locale != NULL && uprv_strcmp(locale, "en_US_POSIX") != 0 && uprv_strcmp(name, "US-ASCII") == 0) { 180650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho /* 180750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * For non C/POSIX locale, default the code page to UTF-8 instead of US-ASCII. 180850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho */ 180950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho name = "UTF-8"; 181050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho } 1811103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_BSD 181285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (uprv_strcmp(name, "CP949") == 0) { 181385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* Remap CP949 to a similar codepage to avoid issues with backslash and won symbol. */ 181485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho name = "EUC-KR"; 181585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 1816103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_HPUX 181785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if (locale != NULL && uprv_strcmp(locale, "zh_HK") == 0 && uprv_strcmp(name, "big5") == 0) { 181885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* HP decided to extend big5 as hkbig5 even though it's not compatible :-( */ 181985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho /* zh_TW.big5 is not the same charset as zh_HK.big5! */ 182085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho name = "hkbig5"; 182185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 182285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho else if (uprv_strcmp(name, "eucJP") == 0) { 1823b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 1824b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-1350 is the best match, but unavailable. 1825b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-954 is mostly a superset of ibm-1350. 1826b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-33722 is the default for eucJP (similar to Windows). 1827b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1828b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "eucjis"; 1829b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1830103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_LINUX 1831b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (locale != NULL && uprv_strcmp(name, "euc") == 0) { 1832b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Linux underspecifies the "EUC" name. */ 1833b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (uprv_strcmp(locale, "korean") == 0) { 1834b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "EUC-KR"; 1835b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1836b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strcmp(locale, "japanese") == 0) { 1837b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* See comment below about eucJP */ 1838b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "eucjis"; 1839b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1840b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1841b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (uprv_strcmp(name, "eucjp") == 0) { 1842b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* 1843b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-1350 is the best match, but unavailable. 1844b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-954 is mostly a superset of ibm-1350. 1845b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ibm-33722 is the default for eucJP (similar to Windows). 1846b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 1847b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = "eucjis"; 1848b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 184950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho else if (locale != NULL && uprv_strcmp(locale, "en_US_POSIX") != 0 && 185050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho (uprv_strcmp(name, "ANSI_X3.4-1968") == 0 || uprv_strcmp(name, "US-ASCII") == 0)) { 185150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho /* 185250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * For non C/POSIX locale, default the code page to UTF-8 instead of US-ASCII. 185350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho */ 185450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho name = "UTF-8"; 185550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho } 185627f654740f2a26ad62a5c155af9199af9e69b889claireho /* 185727f654740f2a26ad62a5c155af9199af9e69b889claireho * Linux returns ANSI_X3.4-1968 for C/POSIX, but the call site takes care of 185827f654740f2a26ad62a5c155af9199af9e69b889claireho * it by falling back to 'US-ASCII' when NULL is returned from this 185927f654740f2a26ad62a5c155af9199af9e69b889claireho * function. So, we don't have to worry about it here. 186027f654740f2a26ad62a5c155af9199af9e69b889claireho */ 1861b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1862b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* return NULL when "" is passed in */ 1863b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (*name == 0) { 1864b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = NULL; 1865b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1866b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return name; 1867b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1868b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 186985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hostatic const char* 1870b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QuerugetCodepageFromPOSIXID(const char *localeName, char * buffer, int32_t buffCapacity) 1871b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 1872b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char localeBuf[100]; 1873b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *name = NULL; 1874b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char *variant = NULL; 1875b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1876b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (localeName != NULL && (name = (uprv_strchr(localeName, '.'))) != NULL) { 1877b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru size_t localeCapacity = uprv_min(sizeof(localeBuf), (name-localeName)+1); 1878b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strncpy(localeBuf, localeName, localeCapacity); 1879b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru localeBuf[localeCapacity-1] = 0; /* ensure NULL termination */ 1880b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = uprv_strncpy(buffer, name+1, buffCapacity); 1881b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru buffer[buffCapacity-1] = 0; /* ensure NULL termination */ 1882103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius if ((variant = const_cast<char *>(uprv_strchr(name, '@'))) != NULL) { 1883b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *variant = 0; 1884b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1885b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = remapPlatformDependentCodepage(localeBuf, name); 1886b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1887b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return name; 1888b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1889b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1890b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 189185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hostatic const char* 1892b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruint_getDefaultCodepage() 1893b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 1894103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM == U_PF_OS400 1895b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint32_t ccsid = 37; /* Default to ibm-37 */ 1896b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static char codepage[64]; 1897b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Qwc_JOBI0400_t jobinfo; 1898b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru Qus_EC_t error = { sizeof(Qus_EC_t) }; /* SPI error code */ 1899b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1900b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru EPT_CALL(QUSRJOBI)(&jobinfo, sizeof(jobinfo), "JOBI0400", 1901b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru "* ", " ", &error); 1902b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1903b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (error.Bytes_Available == 0) { 1904b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (jobinfo.Coded_Char_Set_ID != 0xFFFF) { 1905b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ccsid = (uint32_t)jobinfo.Coded_Char_Set_ID; 1906b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1907b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru else if (jobinfo.Default_Coded_Char_Set_Id != 0xFFFF) { 1908b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru ccsid = (uint32_t)jobinfo.Default_Coded_Char_Set_Id; 1909b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1910b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* else use the default */ 1911b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1912b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sprintf(codepage,"ibm-%d", ccsid); 1913b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return codepage; 1914b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1915103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM == U_PF_OS390 1916b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static char codepage[64]; 191785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 191885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho strncpy(codepage, nl_langinfo(CODESET),63-strlen(UCNV_SWAP_LFNL_OPTION_STRING)); 191985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho strcat(codepage,UCNV_SWAP_LFNL_OPTION_STRING); 1920b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru codepage[63] = 0; /* NULL terminate */ 192185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 1922b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return codepage; 1923b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1924103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#elif U_PLATFORM_USES_ONLY_WIN32_API 1925b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static char codepage[64]; 1926b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru sprintf(codepage, "windows-%d", GetACP()); 1927b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return codepage; 1928b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1929b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#elif U_POSIX_LOCALE 1930b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static char codesetName[100]; 1931b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *localeName = NULL; 1932b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *name = NULL; 1933b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 193427f654740f2a26ad62a5c155af9199af9e69b889claireho localeName = uprv_getPOSIXIDForDefaultCodepage(); 1935b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_memset(codesetName, 0, sizeof(codesetName)); 19368de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert /* On Solaris nl_langinfo returns C locale values unless setlocale 19378de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert * was called earlier. 19388de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert */ 19398de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert#if (U_HAVE_NL_LANGINFO_CODESET && U_PLATFORM != U_PF_SOLARIS) 194027f654740f2a26ad62a5c155af9199af9e69b889claireho /* When available, check nl_langinfo first because it usually gives more 194127f654740f2a26ad62a5c155af9199af9e69b889claireho useful names. It depends on LC_CTYPE. 1942b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru nl_langinfo may use the same buffer as setlocale. */ 1943b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1944b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru const char *codeset = nl_langinfo(U_NL_LANGINFO_CODESET); 1945103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if U_PLATFORM_IS_DARWIN_BASED || U_PLATFORM_IS_LINUX_BASED 194650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho /* 194750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * On Linux and MacOSX, ensure that default codepage for non C/POSIX locale is UTF-8 194850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * instead of ASCII. 194950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho */ 195050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho if (uprv_strcmp(localeName, "en_US_POSIX") != 0) { 195150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho codeset = remapPlatformDependentCodepage(localeName, codeset); 195250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho } else 195350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 195450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho { 195550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho codeset = remapPlatformDependentCodepage(NULL, codeset); 195650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho } 195750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 1958b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (codeset != NULL) { 1959b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uprv_strncpy(codesetName, codeset, sizeof(codesetName)); 1960b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru codesetName[sizeof(codesetName)-1] = 0; 1961b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return codesetName; 1962b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1963b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1964b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1965b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 196627f654740f2a26ad62a5c155af9199af9e69b889claireho /* Use setlocale in a nice way, and then check some environment variables. 196727f654740f2a26ad62a5c155af9199af9e69b889claireho Maybe the application used setlocale already. 196827f654740f2a26ad62a5c155af9199af9e69b889claireho */ 196927f654740f2a26ad62a5c155af9199af9e69b889claireho uprv_memset(codesetName, 0, sizeof(codesetName)); 197027f654740f2a26ad62a5c155af9199af9e69b889claireho name = getCodepageFromPOSIXID(localeName, codesetName, sizeof(codesetName)); 197127f654740f2a26ad62a5c155af9199af9e69b889claireho if (name) { 197227f654740f2a26ad62a5c155af9199af9e69b889claireho /* if we can find the codeset name from setlocale, return that. */ 197327f654740f2a26ad62a5c155af9199af9e69b889claireho return name; 197427f654740f2a26ad62a5c155af9199af9e69b889claireho } 197527f654740f2a26ad62a5c155af9199af9e69b889claireho 1976b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (*codesetName == 0) 1977b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru { 1978b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* Everything failed. Return US ASCII (ISO 646). */ 1979b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru (void)uprv_strcpy(codesetName, "US-ASCII"); 1980b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1981b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return codesetName; 1982b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#else 1983b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return "US-ASCII"; 1984b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru#endif 1985b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 1986b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1987b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 1988b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI const char* U_EXPORT2 1989b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruuprv_getDefaultCodepage() 1990b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru{ 1991b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru static char const *name = NULL; 1992b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru umtx_lock(NULL); 1993b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if (name == NULL) { 1994b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru name = int_getDefaultCodepage(); 1995b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 1996b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru umtx_unlock(NULL); 1997b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return name; 1998b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 199985bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho#endif /* !U_CHARSET_IS_UTF8 */ 2000b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2001b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2002b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* end of platform-specific implementation -------------- */ 2003b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2004b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* version handling --------------------------------------------------------- */ 2005b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2006b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI void U_EXPORT2 2007b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_versionFromString(UVersionInfo versionArray, const char *versionString) { 2008b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru char *end; 2009b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t part=0; 2010b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2011b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(versionArray==NULL) { 2012b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 2013b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2014b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2015b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(versionString!=NULL) { 2016b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(;;) { 2017b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru versionArray[part]=(uint8_t)uprv_strtoul(versionString, &end, 10); 2018b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(end==versionString || ++part==U_MAX_VERSION_LENGTH || *end!=U_VERSION_DELIMITER) { 2019b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru break; 2020b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2021b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru versionString=end+1; 2022b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2023b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2024b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2025b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru while(part<U_MAX_VERSION_LENGTH) { 2026b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru versionArray[part++]=0; 2027b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2028b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 2029b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2030b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI void U_EXPORT2 203185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Hou_versionFromUString(UVersionInfo versionArray, const UChar *versionString) { 203285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if(versionArray!=NULL && versionString!=NULL) { 203385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho char versionChars[U_MAX_VERSION_STRING_LENGTH+1]; 203485bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho int32_t len = u_strlen(versionString); 203585bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho if(len>U_MAX_VERSION_STRING_LENGTH) { 203685bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho len = U_MAX_VERSION_STRING_LENGTH; 203785bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 203885bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho u_UCharsToChars(versionString, versionChars, len); 203950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho versionChars[len]=0; 204085bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho u_versionFromString(versionArray, versionChars); 204185bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho } 204285bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho} 204385bf2e2fbc60a9f938064abc8127d61da7d19882Claire Ho 204485bf2e2fbc60a9f938064abc8127d61da7d19882Claire HoU_CAPI void U_EXPORT2 2045103e9ffba2cba345d0078eb8b8db33249f81840aCraig Corneliusu_versionToString(const UVersionInfo versionArray, char *versionString) { 2046b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint16_t count, part; 2047b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru uint8_t field; 2048b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2049b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(versionString==NULL) { 2050b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 2051b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2052b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2053b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(versionArray==NULL) { 2054b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru versionString[0]=0; 2055b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru return; 2056b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2057b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2058b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* count how many fields need to be written */ 2059b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(count=4; count>0 && versionArray[count-1]==0; --count) { 2060b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2061b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2062b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(count <= 1) { 2063b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru count = 2; 2064b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2065b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2066b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* write the first part */ 2067b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* write the decimal field value */ 2068b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru field=versionArray[0]; 2069b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(field>=100) { 2070b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString++=(char)('0'+field/100); 2071b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru field%=100; 2072b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2073b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(field>=10) { 2074b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString++=(char)('0'+field/10); 2075b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru field%=10; 2076b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2077b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString++=(char)('0'+field); 2078b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2079b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* write the following parts */ 2080b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru for(part=1; part<count; ++part) { 2081b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* write a dot first */ 2082b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString++=U_VERSION_DELIMITER; 2083b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2084b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* write the decimal field value */ 2085b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru field=versionArray[part]; 2086b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(field>=100) { 2087b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString++=(char)('0'+field/100); 2088b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru field%=100; 2089b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2090b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru if(field>=10) { 2091b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString++=(char)('0'+field/10); 2092b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru field%=10; 2093b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2094b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString++=(char)('0'+field); 2095b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru } 2096b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2097b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru /* NUL-terminate */ 2098b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru *versionString=0; 2099b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 2100b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 2101b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste QueruU_CAPI void U_EXPORT2 2102b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queruu_getVersion(UVersionInfo versionArray) { 2103fceb39872958b9fa2505e63f8b8699a9e0f882f4ccornelius (void)copyright; // Suppress unused variable warning from clang. 2104b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru u_versionFromString(versionArray, U_ICU_VERSION); 2105b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru} 2106b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru 210750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho/** 210850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho * icucfg.h dependent code 210950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho */ 211050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 211150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#if U_ENABLE_DYLOAD 211250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 211354dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#if HAVE_DLOPEN && !U_PLATFORM_USES_ONLY_WIN32_API 211450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 2115103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#if HAVE_DLFCN_H 211650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 211750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#ifdef __MVS__ 211850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#ifndef __SUSV3 211950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#define __SUSV3 1 212050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 212150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 212250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#include <dlfcn.h> 212350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 212450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 212550294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void * U_EXPORT2 212650294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_open(const char *libName, UErrorCode *status) { 212727f654740f2a26ad62a5c155af9199af9e69b889claireho void *ret = NULL; 212827f654740f2a26ad62a5c155af9199af9e69b889claireho if(U_FAILURE(*status)) return ret; 212927f654740f2a26ad62a5c155af9199af9e69b889claireho ret = dlopen(libName, RTLD_NOW|RTLD_GLOBAL); 213027f654740f2a26ad62a5c155af9199af9e69b889claireho if(ret==NULL) { 2131103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#ifdef U_TRACE_DYLOAD 2132103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius printf("dlerror on dlopen(%s): %s\n", libName, dlerror()); 213327f654740f2a26ad62a5c155af9199af9e69b889claireho#endif 213427f654740f2a26ad62a5c155af9199af9e69b889claireho *status = U_MISSING_RESOURCE_ERROR; 213527f654740f2a26ad62a5c155af9199af9e69b889claireho } 213627f654740f2a26ad62a5c155af9199af9e69b889claireho return ret; 213750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 213850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 213950294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void U_EXPORT2 214050294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_close(void *lib, UErrorCode *status) { 214127f654740f2a26ad62a5c155af9199af9e69b889claireho if(U_FAILURE(*status)) return; 214227f654740f2a26ad62a5c155af9199af9e69b889claireho dlclose(lib); 214350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 214450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 2145b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehoU_INTERNAL UVoidFunction* U_EXPORT2 2146b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehouprv_dlsym_func(void *lib, const char* sym, UErrorCode *status) { 2147b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho union { 2148103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius UVoidFunction *fp; 2149103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius void *vp; 2150103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius } uret; 2151103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius uret.fp = NULL; 2152103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius if(U_FAILURE(*status)) return uret.fp; 2153103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius uret.vp = dlsym(lib, sym); 2154103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius if(uret.vp == NULL) { 2155103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#ifdef U_TRACE_DYLOAD 2156103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius printf("dlerror on dlsym(%p,%s): %s\n", lib,sym, dlerror()); 2157103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius#endif 215827f654740f2a26ad62a5c155af9199af9e69b889claireho *status = U_MISSING_RESOURCE_ERROR; 215927f654740f2a26ad62a5c155af9199af9e69b889claireho } 2160103e9ffba2cba345d0078eb8b8db33249f81840aCraig Cornelius return uret.fp; 216150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 216250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 216350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#else 216450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 216550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho/* null (nonexistent) implementation. */ 216650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 216750294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void * U_EXPORT2 216850294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_open(const char *libName, UErrorCode *status) { 216927f654740f2a26ad62a5c155af9199af9e69b889claireho if(U_FAILURE(*status)) return NULL; 217027f654740f2a26ad62a5c155af9199af9e69b889claireho *status = U_UNSUPPORTED_ERROR; 217127f654740f2a26ad62a5c155af9199af9e69b889claireho return NULL; 217250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 217350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 217450294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void U_EXPORT2 217550294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_close(void *lib, UErrorCode *status) { 217627f654740f2a26ad62a5c155af9199af9e69b889claireho if(U_FAILURE(*status)) return; 217727f654740f2a26ad62a5c155af9199af9e69b889claireho *status = U_UNSUPPORTED_ERROR; 217827f654740f2a26ad62a5c155af9199af9e69b889claireho return; 217950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 218050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 218150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 2182b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehoU_INTERNAL UVoidFunction* U_EXPORT2 2183b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehouprv_dlsym_func(void *lib, const char* sym, UErrorCode *status) { 2184b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho if(U_SUCCESS(*status)) { 2185b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho *status = U_UNSUPPORTED_ERROR; 2186b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho } 2187b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho return (UVoidFunction*)NULL; 218850294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 218950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 219050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 219150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 219250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif 219350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 219454dcd9b6a06071f647dac967e9e267abb9410720Craig Cornelius#elif U_PLATFORM_USES_ONLY_WIN32_API 219550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 219650294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void * U_EXPORT2 219750294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_open(const char *libName, UErrorCode *status) { 219827f654740f2a26ad62a5c155af9199af9e69b889claireho HMODULE lib = NULL; 219927f654740f2a26ad62a5c155af9199af9e69b889claireho 220027f654740f2a26ad62a5c155af9199af9e69b889claireho if(U_FAILURE(*status)) return NULL; 220127f654740f2a26ad62a5c155af9199af9e69b889claireho 2202b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho lib = LoadLibraryA(libName); 220327f654740f2a26ad62a5c155af9199af9e69b889claireho 220427f654740f2a26ad62a5c155af9199af9e69b889claireho if(lib==NULL) { 220527f654740f2a26ad62a5c155af9199af9e69b889claireho *status = U_MISSING_RESOURCE_ERROR; 220627f654740f2a26ad62a5c155af9199af9e69b889claireho } 220727f654740f2a26ad62a5c155af9199af9e69b889claireho 220827f654740f2a26ad62a5c155af9199af9e69b889claireho return (void*)lib; 220950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 221050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 221150294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void U_EXPORT2 221250294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_close(void *lib, UErrorCode *status) { 221327f654740f2a26ad62a5c155af9199af9e69b889claireho HMODULE handle = (HMODULE)lib; 221427f654740f2a26ad62a5c155af9199af9e69b889claireho if(U_FAILURE(*status)) return; 221527f654740f2a26ad62a5c155af9199af9e69b889claireho 221627f654740f2a26ad62a5c155af9199af9e69b889claireho FreeLibrary(handle); 221727f654740f2a26ad62a5c155af9199af9e69b889claireho 221827f654740f2a26ad62a5c155af9199af9e69b889claireho return; 221950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 222050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 222150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 2222b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehoU_INTERNAL UVoidFunction* U_EXPORT2 2223b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehouprv_dlsym_func(void *lib, const char* sym, UErrorCode *status) { 222427f654740f2a26ad62a5c155af9199af9e69b889claireho HMODULE handle = (HMODULE)lib; 2225b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho UVoidFunction* addr = NULL; 222627f654740f2a26ad62a5c155af9199af9e69b889claireho 222727f654740f2a26ad62a5c155af9199af9e69b889claireho if(U_FAILURE(*status) || lib==NULL) return NULL; 222827f654740f2a26ad62a5c155af9199af9e69b889claireho 2229b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho addr = (UVoidFunction*)GetProcAddress(handle, sym); 223027f654740f2a26ad62a5c155af9199af9e69b889claireho 223127f654740f2a26ad62a5c155af9199af9e69b889claireho if(addr==NULL) { 223227f654740f2a26ad62a5c155af9199af9e69b889claireho DWORD lastError = GetLastError(); 223327f654740f2a26ad62a5c155af9199af9e69b889claireho if(lastError == ERROR_PROC_NOT_FOUND) { 223427f654740f2a26ad62a5c155af9199af9e69b889claireho *status = U_MISSING_RESOURCE_ERROR; 223527f654740f2a26ad62a5c155af9199af9e69b889claireho } else { 223627f654740f2a26ad62a5c155af9199af9e69b889claireho *status = U_UNSUPPORTED_ERROR; /* other unknown error. */ 223727f654740f2a26ad62a5c155af9199af9e69b889claireho } 223827f654740f2a26ad62a5c155af9199af9e69b889claireho } 223927f654740f2a26ad62a5c155af9199af9e69b889claireho 224027f654740f2a26ad62a5c155af9199af9e69b889claireho return addr; 224150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 224250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 224350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 224450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#else 224550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 224650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho/* No dynamic loading set. */ 224750294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 224850294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void * U_EXPORT2 224950294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_open(const char *libName, UErrorCode *status) { 22508de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert (void)libName; 225150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho if(U_FAILURE(*status)) return NULL; 225250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho *status = U_UNSUPPORTED_ERROR; 225350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return NULL; 225450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 225550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 225650294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehoU_INTERNAL void U_EXPORT2 225750294ead5e5d23f5bbfed76e00e6b510bd41eee1clairehouprv_dl_close(void *lib, UErrorCode *status) { 22588de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert (void)lib; 225950294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho if(U_FAILURE(*status)) return; 226050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho *status = U_UNSUPPORTED_ERROR; 226150294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho return; 226250294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 226350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 226450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 2265b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehoU_INTERNAL UVoidFunction* U_EXPORT2 2266b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2clairehouprv_dlsym_func(void *lib, const char* sym, UErrorCode *status) { 22678de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert (void)lib; 22688de051c3d18a56cc126f0f44e368495a52f9148cFredrik Roubert (void)sym; 2269b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho if(U_SUCCESS(*status)) { 227050294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho *status = U_UNSUPPORTED_ERROR; 2271b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho } 2272b26ce3a7367e4ed2ee7ddddcdc3f3d3377a455c2claireho return (UVoidFunction*)NULL; 227350294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho} 227450294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 227550294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho#endif /* U_ENABLE_DYLOAD */ 227650294ead5e5d23f5bbfed76e00e6b510bd41eee1claireho 2277b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru/* 2278b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Hey, Emacs, please set the following: 2279b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 2280b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * Local Variables: 2281b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * indent-tabs-mode: nil 2282b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * End: 2283b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru * 2284b13da9df870a61b11249bf741347908dbea0edd8Jean-Baptiste Queru */ 2285