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#undef _POSIX_C_SOURCE if already defined

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This commit is contained in:
Nick Terrell 2017-02-08 17:25:01 -08:00
parent 60259eb9a0
commit a0f9006e5a
1 changed files with 6 additions and 3 deletions
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9
programs/platform.h
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@ -1,6 +1,6 @@
/**
* platform.h - compiler and OS detection
*
*
* Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
* All rights reserved.
*
@ -23,7 +23,7 @@ extern "C" {
****************************************/
#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> */
# 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
@ -52,7 +52,7 @@ extern "C" {
* 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)
# 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 */
@ -77,6 +77,9 @@ extern "C" {
# define PLATFORM_POSIX_VERSION 200112L
# else
# if defined(__linux__) || defined(__linux)
# ifdef _POSIX_C_SOURCE
# undef _POSIX_C_SOURCE
# endif
# define _POSIX_C_SOURCE 200112L /* use feature test macro */
# endif
# include <unistd.h> /* declares _POSIX_VERSION */