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/*
This file is part of libmicrohttpd
Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
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 lib/version.c
* @brief versioning and optional feature tests
* @author Christian Grothoff
*/
#include "internal.h"
/**
* Obtain the version of this library
*
* @return static version string, e.g. "0.9.9"
* @ingroup specialized
*/
const char *
MHD_get_version (void)
{
#ifdef PACKAGE_VERSION
return PACKAGE_VERSION;
#else /* !PACKAGE_VERSION */
static char ver[12] = "\0\0\0\0\0\0\0\0\0\0\0";
if (0 == ver[0])
{
int res = MHD_snprintf_(ver,
sizeof(ver),
"%x.%x.%x",
(((int)MHD_VERSION >> 24) & 0xFF),
(((int)MHD_VERSION >> 16) & 0xFF),
(((int)MHD_VERSION >> 8) & 0xFF));
if (0 >= res || sizeof(ver) <= res)
return "0.0.0"; /* Can't return real version*/
}
return ver;
#endif /* !PACKAGE_VERSION */
}
/**
* Get information about supported MHD features.
* Indicate that MHD was compiled with or without support for
* particular feature. Some features require additional support
* by kernel. Kernel support is not checked by this function.
*
* @param feature type of requested information
* @return #MHD_YES if feature is supported by MHD, #MHD_NO if
* feature is not supported or feature is unknown.
* @ingroup specialized
*/
_MHD_EXTERN int
MHD_is_feature_supported(enum MHD_FEATURE feature)
{
switch(feature)
{
case MHD_FEATURE_MESSAGES:
#ifdef HAVE_MESSAGES
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_TLS:
#ifdef HTTPS_SUPPORT
return MHD_YES;
#else /* ! HTTPS_SUPPORT */
return MHD_NO;
#endif /* ! HTTPS_SUPPORT */
case MHD_FEATURE_HTTPS_CERT_CALLBACK:
#if defined(HTTPS_SUPPORT) && GNUTLS_VERSION_MAJOR >= 3
return MHD_YES;
#else /* !HTTPS_SUPPORT || GNUTLS_VERSION_MAJOR < 3 */
return MHD_NO;
#endif /* !HTTPS_SUPPORT || GNUTLS_VERSION_MAJOR < 3 */
case MHD_FEATURE_IPv6:
#ifdef HAVE_INET6
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_IPv6_ONLY:
#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_POLL:
#ifdef HAVE_POLL
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_EPOLL:
#ifdef EPOLL_SUPPORT
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_SHUTDOWN_LISTEN_SOCKET:
#ifdef HAVE_LISTEN_SHUTDOWN
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_SOCKETPAIR:
#ifdef _MHD_ITC_SOCKETPAIR
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_TCP_FASTOPEN:
#ifdef TCP_FASTOPEN
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_BASIC_AUTH:
#ifdef BAUTH_SUPPORT
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_DIGEST_AUTH:
#ifdef DAUTH_SUPPORT
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_POSTPROCESSOR:
#ifdef HAVE_POSTPROCESSOR
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_HTTPS_KEY_PASSWORD:
#if defined(HTTPS_SUPPORT) && GNUTLS_VERSION_NUMBER >= 0x030111
return MHD_YES;
#else /* !HTTPS_SUPPORT || GNUTLS_VERSION_NUMBER < 0x030111 */
return MHD_NO;
#endif /* !HTTPS_SUPPORT || GNUTLS_VERSION_NUMBER < 0x030111 */
case MHD_FEATURE_LARGE_FILE:
#if defined(HAVE_PREAD64) || defined(_WIN32)
return MHD_YES;
#elif defined(HAVE_PREAD)
return (sizeof(uint64_t) > sizeof(off_t)) ? MHD_NO : MHD_YES;
#elif defined(HAVE_LSEEK64)
return MHD_YES;
#else
return (sizeof(uint64_t) > sizeof(off_t)) ? MHD_NO : MHD_YES;
#endif
case MHD_FEATURE_THREAD_NAMES:
#if defined(MHD_USE_THREAD_NAME_)
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_UPGRADE:
#if defined(UPGRADE_SUPPORT)
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_RESPONSES_SHARED_FD:
#if defined(HAVE_PREAD64) || defined(HAVE_PREAD) || defined(_WIN32)
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_AUTODETECT_BIND_PORT:
#ifdef MHD_USE_GETSOCKNAME
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_AUTOSUPPRESS_SIGPIPE:
#if defined(MHD_WINSOCK_SOCKETS) || defined(MHD_socket_nosignal_) || defined (MSG_NOSIGNAL)
return MHD_YES;
#else
return MHD_NO;
#endif
case MHD_FEATURE_SENDFILE:
#ifdef _MHD_HAVE_SENDFILE
return MHD_YES;
#else
return MHD_NO;
#endif
}
return MHD_NO;
}
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