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Diffstat (limited to 'src/c-ares/ares_setup.h')
-rw-r--r-- | src/c-ares/ares_setup.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/c-ares/ares_setup.h b/src/c-ares/ares_setup.h new file mode 100644 index 000000000..4df796116 --- /dev/null +++ b/src/c-ares/ares_setup.h @@ -0,0 +1,217 @@ +#ifndef HEADER_CARES_SETUP_H +#define HEADER_CARES_SETUP_H + + +/* Copyright (C) 2004 - 2012 by Daniel Stenberg et al + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, provided + * that the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of M.I.T. not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. M.I.T. makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + */ + +/* + * Define WIN32 when build target is Win32 API + */ + +#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) +#define WIN32 +#endif + +/* + * Include configuration script results or hand-crafted + * configuration file for platforms which lack config tool. + */ + +#ifdef HAVE_CONFIG_H +#include "ares_config.h" +#else + +#ifdef WIN32 +#include "config-win32.h" +#endif + +#endif /* HAVE_CONFIG_H */ + +/* ================================================================ */ +/* Definition of preprocessor macros/symbols which modify compiler */ +/* behaviour or generated code characteristics must be done here, */ +/* as appropriate, before any system header file is included. It is */ +/* also possible to have them defined in the config file included */ +/* before this point. As a result of all this we frown inclusion of */ +/* system header files in our config files, avoid this at any cost. */ +/* ================================================================ */ + +/* + * AIX 4.3 and newer needs _THREAD_SAFE defined to build + * proper reentrant code. Others may also need it. + */ + +#ifdef NEED_THREAD_SAFE +# ifndef _THREAD_SAFE +# define _THREAD_SAFE +# endif +#endif + +/* + * Tru64 needs _REENTRANT set for a few function prototypes and + * things to appear in the system header files. Unixware needs it + * to build proper reentrant code. Others may also need it. + */ + +#ifdef NEED_REENTRANT +# ifndef _REENTRANT +# define _REENTRANT +# endif +#endif + +/* ================================================================ */ +/* If you need to include a system header file for your platform, */ +/* please, do it beyond the point further indicated in this file. */ +/* ================================================================ */ + +/* + * c-ares external interface definitions are also used internally, + * and might also include required system header files to define them. + */ + +#include <ares_build.h> + +/* + * Compile time sanity checks must also be done when building the library. + */ + +#include <ares_rules.h> + +/* ================================================================= */ +/* No system header file shall be included in this file before this */ +/* point. The only allowed ones are those included from ares_build.h */ +/* ================================================================= */ + +/* + * Include header files for windows builds before redefining anything. + * Use this preproessor block only to include or exclude windows.h, + * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs + * to any other further and independent block. Under Cygwin things work + * just as under linux (e.g. <sys/socket.h>) and the winsock headers should + * never be included when __CYGWIN__ is defined. configure script takes + * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H, + * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined. + */ + +#ifdef HAVE_WINDOWS_H +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +# include <windows.h> +# ifdef HAVE_WINSOCK2_H +# include <winsock2.h> +# ifdef HAVE_WS2TCPIP_H +# include <ws2tcpip.h> +# endif +# else +# ifdef HAVE_WINSOCK_H +# include <winsock.h> +# endif +# endif +#endif + +/* + * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else + * define USE_WINSOCK to 1 if we have and use WINSOCK API, else + * undefine USE_WINSOCK. + */ + +#undef USE_WINSOCK + +#ifdef HAVE_WINSOCK2_H +# define USE_WINSOCK 2 +#else +# ifdef HAVE_WINSOCK_H +# define USE_WINSOCK 1 +# endif +#endif + +/* + * Work-arounds for systems without configure support + */ + +#ifndef HAVE_CONFIG_H + +#if !defined(HAVE_SYS_TIME_H) && !defined(_MSC_VER) && !defined(__WATCOMC__) +#define HAVE_SYS_TIME_H +#endif + +#if !defined(HAVE_UNISTD_H) && !defined(_MSC_VER) +#define HAVE_UNISTD_H 1 +#endif + +#if !defined(HAVE_SYS_UIO_H) && !defined(WIN32) && !defined(MSDOS) +#define HAVE_SYS_UIO_H +#endif + +#endif /* HAVE_CONFIG_H */ + +/* + * Arg 2 type for gethostname in case it hasn't been defined in config file. + */ + +#ifndef GETHOSTNAME_TYPE_ARG2 +# ifdef USE_WINSOCK +# define GETHOSTNAME_TYPE_ARG2 int +# else +# define GETHOSTNAME_TYPE_ARG2 size_t +# endif +#endif + +#ifdef __POCC__ +# include <sys/types.h> +# include <unistd.h> +# define ESRCH 3 +#endif + +/* + * Android does have the arpa/nameser.h header which is detected by configure + * but it appears to be empty with recent NDK r7b / r7c, so we undefine here. + */ +#if (defined(ANDROID) || defined(__ANDROID__)) && defined(HAVE_ARPA_NAMESER_H) +# undef HAVE_ARPA_NAMESER_H +#endif + +/* + * Recent autoconf versions define these symbols in ares_config.h. We don't + * want them (since they collide with the libcurl ones when we build + * --enable-debug) so we undef them again here. + */ + +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME +#undef PACKAGE_VERSION +#undef PACKAGE_BUGREPORT +#undef PACKAGE_NAME +#undef VERSION +#undef PACKAGE + +/* IPv6 compatibility */ +#if !defined(HAVE_AF_INET6) +#if defined(HAVE_PF_INET6) +#define AF_INET6 PF_INET6 +#else +#define AF_INET6 AF_MAX+1 +#endif +#endif + +/* + * Include macros and defines that should only be processed once. + */ + +#ifndef __SETUP_ONCE_H +#include "setup_once.h" +#endif + +#endif /* HEADER_CARES_SETUP_H */ |