src/include/mhd_options.h - manifest_repos/libmicrohttpd - Git at Google

 /*
   This file is part of libmicrohttpd
   Copyright (C) 2016-2021 Karlson2k (Evgeny Grin)

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

 /**
  * @file include/mhd_options.h
  * @brief  additional automatic macros for MHD_config.h
  * @author Karlson2k (Evgeny Grin)
  *
  * This file includes MHD_config.h and adds automatic macros based on values
  * in MHD_config.h, compiler built-in macros and commandline-defined macros
  * (but not based on values defined in other headers). Works also as a guard
  * to prevent double inclusion of MHD_config.h
  */

 #ifndef MHD_OPTIONS_H
 #define MHD_OPTIONS_H 1

 #include "MHD_config.h"

 /**
  * Macro to make it easy to mark text for translation. Note that
  * we do not actually call gettext() in MHD, but we do make it
  * easy to create a ".po" file so that applications that do want
  * to translate error messages can do so.
  */
 #define _(String) (String)

 #if defined(_MHD_EXTERN) && ! defined(BUILDING_MHD_LIB)
 #undef _MHD_EXTERN
 #endif /* _MHD_EXTERN && ! BUILDING_MHD_LIB */

 #ifndef _MHD_EXTERN
 #if defined(BUILDING_MHD_LIB) && defined(_WIN32) && \
   (defined(DLL_EXPORT) || defined(MHD_W32DLL))
 #define _MHD_EXTERN __declspec(dllexport) extern
 #else   /* !BUILDING_MHD_LIB || !_WIN32 || (!DLL_EXPORT && !MHD_W32DLL) */
 #define _MHD_EXTERN extern
 #endif  /* !BUILDING_MHD_LIB || !_WIN32 || (!DLL_EXPORT && !MHD_W32DLL) */
 #endif  /* ! _MHD_EXTERN */

 /* Some platforms (FreeBSD, Solaris, W32) allow to override
    default FD_SETSIZE by defining it before including
    headers. */
 #ifdef FD_SETSIZE
 /* FD_SETSIZE defined in command line or in MHD_config.h */
 #elif defined(_WIN32) || defined(__CYGWIN__)
 /* Platform with WinSock and without overridden FD_SETSIZE */
 #define FD_SETSIZE 2048 /* Override default small value (64) */
 #else  /* !FD_SETSIZE && !W32 */
 /* System default value of FD_SETSIZE is used */
 #define _MHD_FD_SETSIZE_IS_DEFAULT 1
 #endif /* !FD_SETSIZE && !W32 */

 #if defined(HAVE_LINUX_SENDFILE) || defined(HAVE_FREEBSD_SENDFILE) || \
   defined(HAVE_DARWIN_SENDFILE) || defined(HAVE_SOLARIS_SENDFILE)
 /* Have any supported sendfile() function. */
 #define _MHD_HAVE_SENDFILE
 #endif /* HAVE_LINUX_SENDFILE || HAVE_FREEBSD_SENDFILE ||
           HAVE_DARWIN_SENDFILE || HAVE_SOLARIS_SENDFILE */
 #if defined(HAVE_LINUX_SENDFILE) || defined(HAVE_SOLARIS_SENDFILE)
 #define MHD_LINUX_SOLARIS_SENDFILE 1
 #endif /* HAVE_LINUX_SENDFILE || HAVE_SOLARIS_SENDFILE */

 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
 #  ifndef MHD_USE_THREADS
 #    define MHD_USE_THREADS 1
 #  endif
 #endif /* MHD_USE_POSIX_THREADS || MHD_USE_W32_THREADS */

 #if defined(OS390)
 #define _OPEN_THREADS
 #define _OPEN_SYS_SOCK_IPV6
 #define _OPEN_MSGQ_EXT
 #define _LP64
 #endif

 #if defined(_WIN32) && ! defined(__CYGWIN__)
 /* Declare POSIX-compatible names */
 #define _CRT_DECLARE_NONSTDC_NAMES 1
 /* Do not warn about POSIX name usage */
 #define _CRT_NONSTDC_NO_WARNINGS 1
 #ifndef _WIN32_WINNT
 #define _WIN32_WINNT 0x0600
 #else /* _WIN32_WINNT */
 #if _WIN32_WINNT < 0x0501
 #error "Headers for Windows XP or later are required"
 #endif /* _WIN32_WINNT < 0x0501 */
 #endif /* _WIN32_WINNT */
 #ifndef WIN32_LEAN_AND_MEAN
 /* Do not include unneeded parts of W32 headers. */
 #define WIN32_LEAN_AND_MEAN 1
 #endif /* !WIN32_LEAN_AND_MEAN */
 #endif /* _WIN32 && ! __CYGWIN__ */

 #if defined(__VXWORKS__) || defined(__vxworks) || defined(OS_VXWORKS)
 #define RESTRICT __restrict__
 #endif /* __VXWORKS__ || __vxworks || OS_VXWORKS */

 #if defined(LINUX) && (defined(HAVE_SENDFILE64) || defined(HAVE_LSEEK64)) && \
   ! defined(_LARGEFILE64_SOURCE)
 /* On Linux, special macro is required to enable definitions of some xxx64 functions */
 #define _LARGEFILE64_SOURCE 1
 #endif

 #ifdef HAVE_C11_GMTIME_S
 /* Special macro is required to enable C11 definition of gmtime_s() function */
 #define __STDC_WANT_LIB_EXT1__ 1
 #endif /* HAVE_C11_GMTIME_S */

 #if defined(MHD_FAVOR_FAST_CODE) && defined(MHD_FAVOR_SMALL_CODE)
 #error \
   MHD_FAVOR_FAST_CODE and MHD_FAVOR_SMALL_CODE are both defined. Cannot favor speed and size at the same time.
 #endif /* MHD_FAVOR_FAST_CODE && MHD_FAVOR_SMALL_CODE */

 /* Define MHD_FAVOR_FAST_CODE to force fast code path or
    define MHD_FAVOR_SMALL_CODE to choose compact code path */
 #if ! defined(MHD_FAVOR_FAST_CODE) && ! defined(MHD_FAVOR_SMALL_CODE)
 /* Try to detect user preferences */
 /* Defined by GCC and many compatible compilers */
 #if defined(__OPTIMIZE_SIZE__)
 #define MHD_FAVOR_SMALL_CODE 1
 #elif defined(__OPTIMIZE__)
 #define MHD_FAVOR_FAST_CODE 1
 #endif /* __OPTIMIZE__ */
 #endif /* !MHD_FAVOR_FAST_CODE && !MHD_FAVOR_SMALL_CODE */

 #if ! defined(MHD_FAVOR_FAST_CODE) && ! defined(MHD_FAVOR_SMALL_CODE)
 /* Use faster code by default */
 #define MHD_FAVOR_FAST_CODE 1
 #endif /* !MHD_FAVOR_FAST_CODE && !MHD_FAVOR_SMALL_CODE */

 #ifndef MHD_ASAN_ACTIVE
 #if (defined(__GNUC__) || defined(_MSC_VER)) && defined(__SANITIZE_ADDRESS__)
 #define MHD_ASAN_ACTIVE 1
 #elif defined(__has_feature)
 #if __has_feature (address_sanitizer)
 #define MHD_ASAN_ACTIVE 1
 #endif /* __has_feature(address_sanitizer) */
 #endif /* __has_feature */
 #endif /* MHD_ASAN_ACTIVE */

 #if defined(MHD_ASAN_ACTIVE) && defined(HAVE_SANITIZER_ASAN_INTERFACE_H) && \
   (defined(FUNC_PTRCOMPARE_CAST_WORKAROUND_WORKS) || \
   (defined(FUNC_ATTR_PTRCOMPARE_WORKS) && \
   defined(FUNC_ATTR_PTRSUBTRACT_WORKS)) || \
   defined(FUNC_ATTR_NOSANITIZE_WORKS))
 #ifndef MHD_ASAN_POISON_ACTIVE
 /* User ASAN poisoning could be used */
 #warning User memory poisoning is not active
 #endif /* ! MHD_ASAN_POISON_ACTIVE */
 #else  /* ! (MHD_ASAN_ACTIVE && HAVE_SANITIZER_ASAN_INTERFACE_H &&
            (FUNC_ATTR_PTRCOMPARE_WORKS || FUNC_ATTR_NOSANITIZE_WORKS))   */
 #ifdef MHD_ASAN_POISON_ACTIVE
 #error User memory poisoning is active, but conditions are not suitable
 #endif /* MHD_ASAN_POISON_ACTIVE */
 #endif /* ! (MHD_ASAN_ACTIVE && HAVE_SANITIZER_ASAN_INTERFACE_H &&
            (FUNC_ATTR_PTRCOMPARE_WORKS || FUNC_ATTR_NOSANITIZE_WORKS))   */


 /**
  * Automatic string with the name of the current function
  */
 #if defined(HAVE___FUNC__)
 #define MHD_FUNC_       __func__
 #define MHD_HAVE_MHD_FUNC_ 1
 #elif defined(HAVE___FUNCTION__)
 #define MHD_FUNC_       __FUNCTION__
 #define MHD_HAVE_MHD_FUNC_ 1
 #elif defined(HAVE___PRETTY_FUNCTION__)
 #define MHD_FUNC_       __PRETTY_FUNCTION__
 #define MHD_HAVE_MHD_FUNC_ 1
 #else
 #define MHD_FUNC_       "**name unavailable**"
 #ifdef MHD_HAVE_MHD_FUNC_
 #undef MHD_HAVE_MHD_FUNC_
 #endif /* MHD_HAVE_MHD_FUNC_ */
 #endif


 #endif /* MHD_OPTIONS_H */
	/*
	This file is part of libmicrohttpd
	Copyright (C) 2016-2021 Karlson2k (Evgeny Grin)

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public
	License as published by the Free Software Foundation; either
	version 2.1 of the License, or (at your option) any later version.

	This library 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
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with this library; if not, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	*/

	/**
	* @file include/mhd_options.h
	* @brief additional automatic macros for MHD_config.h
	* @author Karlson2k (Evgeny Grin)
	*
	* This file includes MHD_config.h and adds automatic macros based on values
	* in MHD_config.h, compiler built-in macros and commandline-defined macros
	* (but not based on values defined in other headers). Works also as a guard
	* to prevent double inclusion of MHD_config.h
	*/

	#ifndef MHD_OPTIONS_H
	#define MHD_OPTIONS_H 1

	#include "MHD_config.h"

	/**
	* Macro to make it easy to mark text for translation. Note that
	* we do not actually call gettext() in MHD, but we do make it
	* easy to create a ".po" file so that applications that do want
	* to translate error messages can do so.
	*/
	#define _(String) (String)

	#if defined(_MHD_EXTERN) && ! defined(BUILDING_MHD_LIB)
	#undef _MHD_EXTERN
	#endif /* _MHD_EXTERN && ! BUILDING_MHD_LIB */

	#ifndef _MHD_EXTERN
	#if defined(BUILDING_MHD_LIB) && defined(_WIN32) && \
	(defined(DLL_EXPORT) \|\| defined(MHD_W32DLL))
	#define _MHD_EXTERN __declspec(dllexport) extern
	#else /* !BUILDING_MHD_LIB \|\| !_WIN32 \|\| (!DLL_EXPORT && !MHD_W32DLL) */
	#define _MHD_EXTERN extern
	#endif /* !BUILDING_MHD_LIB \|\| !_WIN32 \|\| (!DLL_EXPORT && !MHD_W32DLL) */
	#endif /* ! _MHD_EXTERN */

	/* Some platforms (FreeBSD, Solaris, W32) allow to override
	default FD_SETSIZE by defining it before including
	headers. */
	#ifdef FD_SETSIZE
	/* FD_SETSIZE defined in command line or in MHD_config.h */
	#elif defined(_WIN32) \|\| defined(__CYGWIN__)
	/* Platform with WinSock and without overridden FD_SETSIZE */
	#define FD_SETSIZE 2048 /* Override default small value (64) */
	#else /* !FD_SETSIZE && !W32 */
	/* System default value of FD_SETSIZE is used */
	#define _MHD_FD_SETSIZE_IS_DEFAULT 1
	#endif /* !FD_SETSIZE && !W32 */

	#if defined(HAVE_LINUX_SENDFILE) \|\| defined(HAVE_FREEBSD_SENDFILE) \|\| \
	defined(HAVE_DARWIN_SENDFILE) \|\| defined(HAVE_SOLARIS_SENDFILE)
	/* Have any supported sendfile() function. */
	#define _MHD_HAVE_SENDFILE
	#endif /* HAVE_LINUX_SENDFILE \|\| HAVE_FREEBSD_SENDFILE \|\|
	HAVE_DARWIN_SENDFILE \|\| HAVE_SOLARIS_SENDFILE */
	#if defined(HAVE_LINUX_SENDFILE) \|\| defined(HAVE_SOLARIS_SENDFILE)
	#define MHD_LINUX_SOLARIS_SENDFILE 1
	#endif /* HAVE_LINUX_SENDFILE \|\| HAVE_SOLARIS_SENDFILE */

	#if defined(MHD_USE_POSIX_THREADS) \|\| defined(MHD_USE_W32_THREADS)
	# ifndef MHD_USE_THREADS
	# define MHD_USE_THREADS 1
	# endif
	#endif /* MHD_USE_POSIX_THREADS \|\| MHD_USE_W32_THREADS */

	#if defined(OS390)
	#define _OPEN_THREADS
	#define _OPEN_SYS_SOCK_IPV6
	#define _OPEN_MSGQ_EXT
	#define _LP64
	#endif

	#if defined(_WIN32) && ! defined(__CYGWIN__)
	/* Declare POSIX-compatible names */
	#define _CRT_DECLARE_NONSTDC_NAMES 1
	/* Do not warn about POSIX name usage */
	#define _CRT_NONSTDC_NO_WARNINGS 1
	#ifndef _WIN32_WINNT
	#define _WIN32_WINNT 0x0600
	#else /* _WIN32_WINNT */
	#if _WIN32_WINNT < 0x0501
	#error "Headers for Windows XP or later are required"
	#endif /* _WIN32_WINNT < 0x0501 */
	#endif /* _WIN32_WINNT */
	#ifndef WIN32_LEAN_AND_MEAN
	/* Do not include unneeded parts of W32 headers. */
	#define WIN32_LEAN_AND_MEAN 1
	#endif /* !WIN32_LEAN_AND_MEAN */
	#endif /* _WIN32 && ! __CYGWIN__ */

	#if defined(__VXWORKS__) \|\| defined(__vxworks) \|\| defined(OS_VXWORKS)
	#define RESTRICT __restrict__
	#endif /* __VXWORKS__ \|\| __vxworks \|\| OS_VXWORKS */

	#if defined(LINUX) && (defined(HAVE_SENDFILE64) \|\| defined(HAVE_LSEEK64)) && \
	! defined(_LARGEFILE64_SOURCE)
	/* On Linux, special macro is required to enable definitions of some xxx64 functions */
	#define _LARGEFILE64_SOURCE 1
	#endif

	#ifdef HAVE_C11_GMTIME_S
	/* Special macro is required to enable C11 definition of gmtime_s() function */
	#define __STDC_WANT_LIB_EXT1__ 1
	#endif /* HAVE_C11_GMTIME_S */

	#if defined(MHD_FAVOR_FAST_CODE) && defined(MHD_FAVOR_SMALL_CODE)
	#error \
	MHD_FAVOR_FAST_CODE and MHD_FAVOR_SMALL_CODE are both defined. Cannot favor speed and size at the same time.
	#endif /* MHD_FAVOR_FAST_CODE && MHD_FAVOR_SMALL_CODE */

	/* Define MHD_FAVOR_FAST_CODE to force fast code path or
	define MHD_FAVOR_SMALL_CODE to choose compact code path */
	#if ! defined(MHD_FAVOR_FAST_CODE) && ! defined(MHD_FAVOR_SMALL_CODE)
	/* Try to detect user preferences */
	/* Defined by GCC and many compatible compilers */
	#if defined(__OPTIMIZE_SIZE__)
	#define MHD_FAVOR_SMALL_CODE 1
	#elif defined(__OPTIMIZE__)
	#define MHD_FAVOR_FAST_CODE 1
	#endif /* __OPTIMIZE__ */
	#endif /* !MHD_FAVOR_FAST_CODE && !MHD_FAVOR_SMALL_CODE */

	#if ! defined(MHD_FAVOR_FAST_CODE) && ! defined(MHD_FAVOR_SMALL_CODE)
	/* Use faster code by default */
	#define MHD_FAVOR_FAST_CODE 1
	#endif /* !MHD_FAVOR_FAST_CODE && !MHD_FAVOR_SMALL_CODE */

	#ifndef MHD_ASAN_ACTIVE
	#if (defined(__GNUC__) \|\| defined(_MSC_VER)) && defined(__SANITIZE_ADDRESS__)
	#define MHD_ASAN_ACTIVE 1
	#elif defined(__has_feature)
	#if __has_feature (address_sanitizer)
	#define MHD_ASAN_ACTIVE 1
	#endif /* __has_feature(address_sanitizer) */
	#endif /* __has_feature */
	#endif /* MHD_ASAN_ACTIVE */

	#if defined(MHD_ASAN_ACTIVE) && defined(HAVE_SANITIZER_ASAN_INTERFACE_H) && \
	(defined(FUNC_PTRCOMPARE_CAST_WORKAROUND_WORKS) \|\| \
	(defined(FUNC_ATTR_PTRCOMPARE_WORKS) && \
	defined(FUNC_ATTR_PTRSUBTRACT_WORKS)) \|\| \
	defined(FUNC_ATTR_NOSANITIZE_WORKS))
	#ifndef MHD_ASAN_POISON_ACTIVE
	/* User ASAN poisoning could be used */
	#warning User memory poisoning is not active
	#endif /* ! MHD_ASAN_POISON_ACTIVE */
	#else /* ! (MHD_ASAN_ACTIVE && HAVE_SANITIZER_ASAN_INTERFACE_H &&
	(FUNC_ATTR_PTRCOMPARE_WORKS \|\| FUNC_ATTR_NOSANITIZE_WORKS)) */
	#ifdef MHD_ASAN_POISON_ACTIVE
	#error User memory poisoning is active, but conditions are not suitable
	#endif /* MHD_ASAN_POISON_ACTIVE */
	#endif /* ! (MHD_ASAN_ACTIVE && HAVE_SANITIZER_ASAN_INTERFACE_H &&
	(FUNC_ATTR_PTRCOMPARE_WORKS \|\| FUNC_ATTR_NOSANITIZE_WORKS)) */


	/**
	* Automatic string with the name of the current function
	*/
	#if defined(HAVE___FUNC__)
	#define MHD_FUNC_ __func__
	#define MHD_HAVE_MHD_FUNC_ 1
	#elif defined(HAVE___FUNCTION__)
	#define MHD_FUNC_ __FUNCTION__
	#define MHD_HAVE_MHD_FUNC_ 1
	#elif defined(HAVE___PRETTY_FUNCTION__)
	#define MHD_FUNC_ __PRETTY_FUNCTION__
	#define MHD_HAVE_MHD_FUNC_ 1
	#else
	#define MHD_FUNC_ "name unavailable"
	#ifdef MHD_HAVE_MHD_FUNC_
	#undef MHD_HAVE_MHD_FUNC_
	#endif /* MHD_HAVE_MHD_FUNC_ */
	#endif


	#endif /* MHD_OPTIONS_H */