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/**
* Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#ifndef PLATFORM_H_MODULE
#define PLATFORM_H_MODULE
#if defined (__cplusplus)
extern "C" {
#endif
/* **************************************
* Compiler Options
****************************************/
#if defined(__INTEL_COMPILER)
# pragma warning(disable : 177) /* disable: message #177: function was declared but never referenced */
#endif
#if defined(_MSC_VER)
# define _CRT_SECURE_NO_WARNINGS /* Disable some Visual warning messages for fopen, strncpy */
# define _CRT_SECURE_NO_DEPRECATE /* VS2005 */
# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
# if (_MSC_VER <= 1800) /* (1800 = Visual Studio 2013) */
# define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */
# endif
# if (_MSC_VER >= 1400) /* Avoid MSVC fseek()'s 2GiB barrier */
# define fseek _fseeki64
# 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__)
# 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 */
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