1// Copyright (C) 2016 and later: Unicode, Inc. and others. 2// License & terms of use: http://www.unicode.org/copyright.html 3/* 4****************************************************************************** 5* 6* Copyright (C) 1997-2012, International Business Machines 7* Corporation and others. All Rights Reserved. 8* 9****************************************************************************** 10* 11* FILE NAME : ptypes.h 12* 13* Date Name Description 14* 05/13/98 nos Creation (content moved here from ptypes.h). 15* 03/02/99 stephen Added AS400 support. 16* 03/30/99 stephen Added Linux support. 17* 04/13/99 stephen Reworked for autoconf. 18* 09/18/08 srl Moved basic types back to ptypes.h from platform.h 19****************************************************************************** 20*/ 21 22/** 23 * \file 24 * \brief C API: Definitions of integer types of various widths 25 */ 26 27#ifndef _PTYPES_H 28#define _PTYPES_H 29 30/** 31 * \def __STDC_LIMIT_MACROS 32 * According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations 33 * macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested. 34 * We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code 35 * that uses such limit macros. 36 * @internal 37 */ 38#ifndef __STDC_LIMIT_MACROS 39#define __STDC_LIMIT_MACROS 40#endif 41 42/* NULL, size_t, wchar_t */ 43#include <stddef.h> 44 45/* 46 * If all compilers provided all of the C99 headers and types, 47 * we would just unconditionally #include <stdint.h> here 48 * and not need any of the stuff after including platform.h. 49 */ 50 51/* Find out if we have stdint.h etc. */ 52#include "unicode/platform.h" 53 54/*===========================================================================*/ 55/* Generic data types */ 56/*===========================================================================*/ 57 58/* If your platform does not have the <stdint.h> header, you may 59 need to edit the typedefs in the #else section below. 60 Use #if...#else...#endif with predefined compiler macros if possible. */ 61#if U_HAVE_STDINT_H 62 63/* 64 * We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>. 65 * <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc. 66 * which we almost never use, plus stuff like imaxabs() which we never use. 67 */ 68#include <stdint.h> 69 70#if U_PLATFORM == U_PF_OS390 71/* The features header is needed to get (u)int64_t sometimes. */ 72#include <features.h> 73/* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */ 74#if !defined(__uint8_t) 75#define __uint8_t 1 76typedef unsigned char uint8_t; 77#endif 78#endif /* U_PLATFORM == U_PF_OS390 */ 79 80#elif U_HAVE_INTTYPES_H 81 82# include <inttypes.h> 83 84#else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */ 85 86#if ! U_HAVE_INT8_T 87typedef signed char int8_t; 88#endif 89 90#if ! U_HAVE_UINT8_T 91typedef unsigned char uint8_t; 92#endif 93 94#if ! U_HAVE_INT16_T 95typedef signed short int16_t; 96#endif 97 98#if ! U_HAVE_UINT16_T 99typedef unsigned short uint16_t; 100#endif 101 102#if ! U_HAVE_INT32_T 103typedef signed int int32_t; 104#endif 105 106#if ! U_HAVE_UINT32_T 107typedef unsigned int uint32_t; 108#endif 109 110#if ! U_HAVE_INT64_T 111#ifdef _MSC_VER 112 typedef signed __int64 int64_t; 113#else 114 typedef signed long long int64_t; 115#endif 116#endif 117 118#if ! U_HAVE_UINT64_T 119#ifdef _MSC_VER 120 typedef unsigned __int64 uint64_t; 121#else 122 typedef unsigned long long uint64_t; 123#endif 124#endif 125 126#endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */ 127 128#endif /* _PTYPES_H */ 129