1/* 2 platform.h - compiler and OS detection 3 Copyright (C) 2016-present, Przemyslaw Skibinski, Yann Collet 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License along 16 with this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18*/ 19 20#ifndef PLATFORM_H_MODULE 21#define PLATFORM_H_MODULE 22 23#if defined (__cplusplus) 24extern "C" { 25#endif 26 27 28 29/* ************************************** 30* Compiler Options 31****************************************/ 32#if defined(_MSC_VER) 33# define _CRT_SECURE_NO_WARNINGS /* Disable Visual Studio warning messages for fopen, strncpy, strerror */ 34# define _CRT_SECURE_NO_DEPRECATE /* VS2005 - must be declared before <io.h> and <windows.h> */ 35# if (_MSC_VER <= 1800) /* (1800 = Visual Studio 2013) */ 36# define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */ 37# endif 38#endif 39 40 41/* ************************************** 42* Detect 64-bit OS 43* http://nadeausoftware.com/articles/2012/02/c_c_tip_how_detect_processor_type_using_compiler_predefined_macros 44****************************************/ 45#if defined __ia64 || defined _M_IA64 /* Intel Itanium */ \ 46 || defined __powerpc64__ || defined __ppc64__ || defined __PPC64__ /* POWER 64-bit */ \ 47 || (defined __sparc && (defined __sparcv9 || defined __sparc_v9__ || defined __arch64__)) || defined __sparc64__ /* SPARC 64-bit */ \ 48 || defined __x86_64__s || defined _M_X64 /* x86 64-bit */ \ 49 || defined __arm64__ || defined __aarch64__ || defined __ARM64_ARCH_8__ /* ARM 64-bit */ \ 50 || (defined __mips && (__mips == 64 || __mips == 4 || __mips == 3)) /* MIPS 64-bit */ \ 51 || defined _LP64 || defined __LP64__ /* NetBSD, OpenBSD */ || defined __64BIT__ /* AIX */ || defined _ADDR64 /* Cray */ \ 52 || (defined __SIZEOF_POINTER__ && __SIZEOF_POINTER__ == 8) /* gcc */ 53# if !defined(__64BIT__) 54# define __64BIT__ 1 55# endif 56#endif 57 58 59/* ********************************************************* 60* Turn on Large Files support (>4GB) for 32-bit Linux/Unix 61***********************************************************/ 62#if !defined(__64BIT__) /* No point defining Large file for 64 bit */ 63# if !defined(_FILE_OFFSET_BITS) 64# define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */ 65# endif 66# if !defined(_LARGEFILE_SOURCE) /* obsolete macro, replaced with _FILE_OFFSET_BITS */ 67# define _LARGEFILE_SOURCE 1 /* Large File Support extension (LFS) - fseeko, ftello */ 68# endif 69# if defined(_AIX) || defined(__hpux) 70# define _LARGE_FILES /* Large file support on 32-bits AIX and HP-UX */ 71# endif 72#endif 73 74 75/* ************************************************************ 76* Detect POSIX version 77* PLATFORM_POSIX_VERSION = -1 for non-Unix e.g. Windows 78* PLATFORM_POSIX_VERSION = 0 for Unix-like non-POSIX 79* PLATFORM_POSIX_VERSION >= 1 is equal to found _POSIX_VERSION 80***************************************************************/ 81#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) /* UNIX-like OS */ \ 82 || defined(__midipix__) || defined(__VMS)) 83# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) /* POSIX.1–2001 (SUSv3) conformant */ \ 84 || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* BSD distros */ 85# define PLATFORM_POSIX_VERSION 200112L 86# else 87# if defined(__linux__) || defined(__linux) 88# define _POSIX_C_SOURCE 200112L /* use feature test macro */ 89# endif 90# include <unistd.h> /* declares _POSIX_VERSION */ 91# if defined(_POSIX_VERSION) /* POSIX compliant */ 92# define PLATFORM_POSIX_VERSION _POSIX_VERSION 93# else 94# define PLATFORM_POSIX_VERSION 0 95# endif 96# endif 97#endif 98#if !defined(PLATFORM_POSIX_VERSION) 99# define PLATFORM_POSIX_VERSION -1 100#endif 101 102 103/*-********************************************* 104* Detect if isatty() and fileno() are available 105************************************************/ 106#if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || (PLATFORM_POSIX_VERSION >= 200112L) || defined(__DJGPP__) 107# include <unistd.h> /* isatty */ 108# define IS_CONSOLE(stdStream) isatty(fileno(stdStream)) 109#elif defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) 110# include <io.h> /* _isatty */ 111# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream)) 112#else 113# define IS_CONSOLE(stdStream) 0 114#endif 115 116 117/****************************** 118* OS-specific Includes 119******************************/ 120#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) 121# include <fcntl.h> /* _O_BINARY */ 122# include <io.h> /* _setmode, _fileno, _get_osfhandle */ 123# if !defined(__DJGPP__) 124# include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */ 125# include <winioctl.h> /* FSCTL_SET_SPARSE */ 126# define SET_BINARY_MODE(file) { int unused=_setmode(_fileno(file), _O_BINARY); (void)unused; } 127# define SET_SPARSE_FILE_MODE(file) { DWORD dw; DeviceIoControl((HANDLE) _get_osfhandle(_fileno(file)), FSCTL_SET_SPARSE, 0, 0, 0, 0, &dw, 0); } 128# else 129# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) 130# define SET_SPARSE_FILE_MODE(file) 131# endif 132#else 133# define SET_BINARY_MODE(file) 134# define SET_SPARSE_FILE_MODE(file) 135#endif 136 137 138 139#if defined (__cplusplus) 140} 141#endif 142 143#endif /* PLATFORM_H_MODULE */ 144