105 lines
4.1 KiB
C
105 lines
4.1 KiB
C
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/**
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* Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#ifndef PLATFORM_H_MODULE
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#define PLATFORM_H_MODULE
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/* **************************************
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* Compiler Options
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****************************************/
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#if defined(__INTEL_COMPILER)
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# pragma warning(disable : 177) /* disable: message #177: function was declared but never referenced */
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#endif
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#if defined(_MSC_VER)
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# define _CRT_SECURE_NO_WARNINGS /* Disable some Visual warning messages for fopen, strncpy */
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# define _CRT_SECURE_NO_DEPRECATE /* VS2005 */
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# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
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# if _MSC_VER <= 1800 /* (1800 = Visual Studio 2013) */
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# define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */
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# endif
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#endif
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/* **************************************
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* Detect 64-bit OS
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* http://nadeausoftware.com/articles/2012/02/c_c_tip_how_detect_processor_type_using_compiler_predefined_macros
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****************************************/
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#if defined __ia64 || defined _M_IA64 /* Intel Itanium */
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|| defined __powerpc64__ || defined __ppc64__ || defined __PPC64__ /* POWER 64-bit */
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|| (defined __sparc && (defined __sparcv9 || defined __sparc_v9__ || defined __arch64__)) || defined __sparc64__ /* SPARC 64-bit */
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|| defined __x86_64__ || defined _M_X64 /* x86 64-bit */
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|| defined __arm64__ || defined __aarch64__ || defined __ARM64_ARCH_8__ /* ARM 64-bit */
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|| (defined __mips && (__mips == 64 || __mips == 4 || __mips == 3)) /* MIPS 64-bit */
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|| defined _LP64 || defined __LP64__ /* NetBSD, OpenBSD */ || defined __64BIT__ /* AIX */ || _ADDR64 /* Cray */ ||
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|| (defined __SIZEOF_POINTER__ && __SIZEOF_POINTER__ == 8) /* gcc */)
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# if !defined(__64BIT__)
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# define __64BIT__ 1
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# endif
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#endif
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/* **************************************
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* Unix Large Files support (>4GB)
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****************************************/
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#if !defined(__64BIT__) /* No point defining Large file for 64 bit */
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# if !defined(_FILE_OFFSET_BITS)
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# define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */
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# endif
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# if defined(__sun__) && !defined(_LARGEFILE_SOURCE) /* Sun Solaris 32-bits requires specific definitions */
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# define _LARGEFILE_SOURCE 1 /* Large File Support extension (LFS) - fseeko, ftello */
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# endif
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# if defined(_AIX) || defined(__hpux)
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# define _LARGE_FILES /* Large file support on 32-bits AIX and HP-UX */
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# endif
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#endif
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/* ************************************************************
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* Detect POSIX version
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* PLATFORM_POSIX_VERSION = -1 for non-Unix e.g. Windows
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* PLATFORM_POSIX_VERSION = 0 for Unix-like non-POSIX
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* PLATFORM_POSIX_VERSION >= 1 is equal to found _POSIX_VERSION
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***************************************************************/
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#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) || defined(__midipix__) || defined(__VMS))
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/* UNIX-style OS. ------------------------------------------- */
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# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux)
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|| defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* POSIX.1–2001 (SUSv3) conformant */
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# define PLATFORM_POSIX_VERSION 200112L
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# else
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# if defined(__linux__) || defined(__linux)
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# define _POSIX_C_SOURCE 200112L /* use feature test macro */
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# endif
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# include <unistd.h> /* declares _POSIX_VERSION */
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# if defined(_POSIX_VERSION) /* POSIX compliant */
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# define PLATFORM_POSIX_VERSION _POSIX_VERSION
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# else
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# define PLATFORM_POSIX_VERSION 0
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# endif
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# endif
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#endif
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#if !defined(PLATFORM_POSIX_VERSION)
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# define PLATFORM_POSIX_VERSION -1
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#endif
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#if defined (__cplusplus)
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}
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#endif
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#endif /* PLATFORM_H_MODULE */
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