| /* |
| platform.h - compiler and OS detection |
| Copyright (C) 2016-present, Przemyslaw Skibinski, Yann Collet |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License along |
| with this program; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #ifndef PLATFORM_H_MODULE |
| #define PLATFORM_H_MODULE |
| |
| #if defined (__cplusplus) |
| extern "C" { |
| #endif |
| |
| |
| |
| /* ************************************** |
| * Compiler Options |
| ****************************************/ |
| #if defined(_MSC_VER) |
| # define _CRT_SECURE_NO_WARNINGS /* Disable Visual Studio warning messages for fopen, strncpy, strerror */ |
| # if (_MSC_VER <= 1800) /* (1800 = Visual Studio 2013) */ |
| # define _CRT_SECURE_NO_DEPRECATE /* VS2005 - must be declared before <io.h> and <windows.h> */ |
| # define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */ |
| # endif |
| #endif |
| |
| |
| /* ************************************** |
| * Detect 64-bit OS |
| * http://nadeausoftware.com/articles/2012/02/c_c_tip_how_detect_processor_type_using_compiler_predefined_macros |
| ****************************************/ |
| #if defined __ia64 || defined _M_IA64 /* Intel Itanium */ \ |
| || defined __powerpc64__ || defined __ppc64__ || defined __PPC64__ /* POWER 64-bit */ \ |
| || (defined __sparc && (defined __sparcv9 || defined __sparc_v9__ || defined __arch64__)) || defined __sparc64__ /* SPARC 64-bit */ \ |
| || defined __x86_64__s || defined _M_X64 /* x86 64-bit */ \ |
| || defined __arm64__ || defined __aarch64__ || defined __ARM64_ARCH_8__ /* ARM 64-bit */ \ |
| || (defined __mips && (__mips == 64 || __mips == 4 || __mips == 3)) /* MIPS 64-bit */ \ |
| || defined _LP64 || defined __LP64__ /* NetBSD, OpenBSD */ || defined __64BIT__ /* AIX */ || defined _ADDR64 /* Cray */ \ |
| || (defined __SIZEOF_POINTER__ && __SIZEOF_POINTER__ == 8) /* gcc */ |
| # if !defined(__64BIT__) |
| # define __64BIT__ 1 |
| # endif |
| #endif |
| |
| |
| /* ********************************************************* |
| * Turn on Large Files support (>4GB) for 32-bit Linux/Unix |
| ***********************************************************/ |
| #if !defined(__64BIT__) || defined(__MINGW32__) /* No point defining Large file for 64 bit but MinGW-w64 requires it */ |
| # if !defined(_FILE_OFFSET_BITS) |
| # define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */ |
| # endif |
| # if !defined(_LARGEFILE_SOURCE) /* obsolete macro, replaced with _FILE_OFFSET_BITS */ |
| # define _LARGEFILE_SOURCE 1 /* Large File Support extension (LFS) - fseeko, ftello */ |
| # endif |
| # if defined(_AIX) || defined(__hpux) |
| # define _LARGE_FILES /* Large file support on 32-bits AIX and HP-UX */ |
| # endif |
| #endif |
| |
| |
| /* ************************************************************ |
| * Detect POSIX version |
| * PLATFORM_POSIX_VERSION = -1 for non-Unix e.g. Windows |
| * PLATFORM_POSIX_VERSION = 0 for Unix-like non-POSIX |
| * PLATFORM_POSIX_VERSION >= 1 is equal to found _POSIX_VERSION |
| ************************************************************** */ |
| #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) /* UNIX-like OS */ \ |
| || defined(__midipix__) || defined(__VMS)) |
| # if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) /* POSIX.1–2001 (SUSv3) conformant */ \ |
| || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__MidnightBSD__) /* BSD distros */ \ |
| || defined(__HAIKU__) |
| # define PLATFORM_POSIX_VERSION 200112L |
| # else |
| # if defined(__linux__) || defined(__linux) |
| # ifndef _POSIX_C_SOURCE |
| # define _POSIX_C_SOURCE 200809L /* use feature test macro */ |
| # endif |
| # endif |
| # include <unistd.h> /* declares _POSIX_VERSION */ |
| # if defined(_POSIX_VERSION) /* POSIX compliant */ |
| # define PLATFORM_POSIX_VERSION _POSIX_VERSION |
| # else |
| # define PLATFORM_POSIX_VERSION 0 |
| # endif |
| # endif |
| #endif |
| #if !defined(PLATFORM_POSIX_VERSION) |
| # define PLATFORM_POSIX_VERSION -1 |
| #endif |
| |
| |
| /*-********************************************* |
| * Detect if isatty() and fileno() are available |
| *********************************************** */ |
| #if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || (PLATFORM_POSIX_VERSION >= 200112L) || defined(__DJGPP__) |
| # include <unistd.h> /* isatty */ |
| # define IS_CONSOLE(stdStream) isatty(fileno(stdStream)) |
| #elif defined(MSDOS) || defined(OS2) || defined(__CYGWIN__) |
| # include <io.h> /* _isatty */ |
| # define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream)) |
| #elif defined(WIN32) || defined(_WIN32) |
| # include <io.h> /* _isatty */ |
| # include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */ |
| # include <stdio.h> /* FILE */ |
| static __inline int IS_CONSOLE(FILE* stdStream) |
| { |
| DWORD dummy; |
| return _isatty(_fileno(stdStream)) && GetConsoleMode((HANDLE)_get_osfhandle(_fileno(stdStream)), &dummy); |
| } |
| #else |
| # define IS_CONSOLE(stdStream) 0 |
| #endif |
| |
| |
| /****************************** |
| * OS-specific Includes |
| ***************************** */ |
| #if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) |
| # include <fcntl.h> /* _O_BINARY */ |
| # include <io.h> /* _setmode, _fileno, _get_osfhandle */ |
| # if !defined(__DJGPP__) |
| # include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */ |
| # include <winioctl.h> /* FSCTL_SET_SPARSE */ |
| # define SET_BINARY_MODE(file) { int unused=_setmode(_fileno(file), _O_BINARY); (void)unused; } |
| # define SET_SPARSE_FILE_MODE(file) { DWORD dw; DeviceIoControl((HANDLE) _get_osfhandle(_fileno(file)), FSCTL_SET_SPARSE, 0, 0, 0, 0, &dw, 0); } |
| # else |
| # define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) |
| # define SET_SPARSE_FILE_MODE(file) |
| # endif |
| #else |
| # define SET_BINARY_MODE(file) |
| # define SET_SPARSE_FILE_MODE(file) |
| #endif |
| |
| |
| |
| #if defined (__cplusplus) |
| } |
| #endif |
| |
| #endif /* PLATFORM_H_MODULE */ |
