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Diffstat (limited to 'programs/platform.h')
| -rw-r--r-- | programs/platform.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/programs/platform.h b/programs/platform.h new file mode 100644 index 0000000..f1040c0 --- /dev/null +++ b/programs/platform.h @@ -0,0 +1,143 @@ +/* + 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 */ +# define _CRT_SECURE_NO_DEPRECATE /* VS2005 - must be declared before <io.h> and <windows.h> */ +# if (_MSC_VER <= 1800) /* (1800 = Visual Studio 2013) */ +# 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__) /* No point defining Large file for 64 bit */ +# 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__) /* BSD distros */ +# define PLATFORM_POSIX_VERSION 200112L +# else +# if defined(__linux__) || defined(__linux) +# define _POSIX_C_SOURCE 200112L /* use feature test macro */ +# 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(WIN32) || defined(_WIN32) || defined(__CYGWIN__) +# include <io.h> /* _isatty */ +# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream)) +#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 */ |