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/* MIT License
*
* Copyright (c) 2004 Daniel Stenberg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* SPDX-License-Identifier: MIT
*/
#ifndef __ARES_SETUP_H
#define __ARES_SETUP_H
/* ============================================================================
* NOTE: This file is automatically included by ares_private.h and should not
* typically be included directly.
* All c-ares source files should include ares_private.h as the
* first header.
* ============================================================================
*/
/*
* Include configuration script results or hand-crafted
* configuration file for platforms which lack config tool.
*/
#if defined(HAVE_CONFIG_H) && !defined(_MSC_VER)
# include "ares_config.h"
#else
# ifdef _WIN32
# include "config-win32.h"
# endif
#endif /* HAVE_CONFIG_H */
/*
* c-ares external interface definitions are also used internally,
* and might also include required system header files to define them.
*/
#include "ares_build.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 USE_WINSOCK
# undef USE_WINSOCK
#endif
#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>
# define USE_WINSOCK 2
# ifdef HAVE_WS2TCPIP_H
# include <ws2tcpip.h>
# endif
# else
# ifdef HAVE_WINSOCK_H
# include <winsock.h>
# define USE_WINSOCK 1
# endif
# endif
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#ifdef HAVE_ERRNO_H
# include <errno.h>
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_MALLOC_H
# include <malloc.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_TIME_H
# include <time.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
/*
* 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.
* z/OS does have the arpa/nameser.h header which is detected by configure
* but it is not fully implemented and missing identifiers, so udefine here.
*/
#if (defined(ANDROID) || defined(__ANDROID__) || defined(__MVS__)) && \
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.
*/
#ifdef PACKAGE_STRING
# undef PACKAGE_STRING
#endif
#ifdef PACKAGE_TARNAME
# undef PACKAGE_TARNAME
#endif
#ifdef PACKAGE_VERSION
# undef PACKAGE_VERSION
#endif
#ifdef PACKAGE_BUGREPORT
# undef PACKAGE_BUGREPORT
#endif
#ifdef PACKAGE_NAME
# undef PACKAGE_NAME
#endif
#ifdef VERSION
# undef VERSION
#endif
#ifdef PACKAGE
# undef PACKAGE
#endif
/* 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
#ifdef __hpux
# if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
# ifdef _APP32_64BIT_OFF_T
# define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T
# undef _APP32_64BIT_OFF_T
# else
# undef OLD_APP32_64BIT_OFF_T
# endif
# endif
#endif
#ifdef __hpux
# if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
# ifdef OLD_APP32_64BIT_OFF_T
# define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T
# undef OLD_APP32_64BIT_OFF_T
# endif
# endif
#endif
/*
* Definition of timeval struct for platforms that don't have it.
*/
#ifndef HAVE_STRUCT_TIMEVAL
struct timeval {
long tv_sec;
long tv_usec;
};
#endif
/*
* Function-like macro definition used to close a socket.
*/
#if defined(HAVE_CLOSESOCKET)
# define sclose(x) closesocket((x))
#elif defined(HAVE_CLOSESOCKET_CAMEL)
# define sclose(x) CloseSocket((x))
#elif defined(HAVE_CLOSE_S)
# define sclose(x) close_s((x))
#else
# define sclose(x) close((x))
#endif
/*
* Macro used to include code only in debug builds.
*/
#ifdef DEBUGBUILD
# define DEBUGF(x) x
#else
# define DEBUGF(x) \
do { \
} while (0)
#endif
/*
* Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno
* (or equivalent) on this platform to hide platform details to code using it.
*/
#ifdef USE_WINSOCK
# define SOCKERRNO ((int)WSAGetLastError())
# define SET_SOCKERRNO(x) (WSASetLastError((int)(x)))
#else
# define SOCKERRNO (errno)
# define SET_SOCKERRNO(x) (errno = (x))
#endif
/*
* Macro ERRNO / SET_ERRNO() returns / sets the NOT *socket-related* errno
* (or equivalent) on this platform to hide platform details to code using it.
*/
#if defined(WIN32) && !defined(WATT32)
# define ERRNO ((int)GetLastError())
# define SET_ERRNO(x) (SetLastError((DWORD)(x)))
#else
# define ERRNO (errno)
# define SET_ERRNO(x) (errno = (x))
#endif
/*
* Portable error number symbolic names defined to Winsock error codes.
*/
#ifdef USE_WINSOCK
# undef EBADF /* override definition in errno.h */
# define EBADF WSAEBADF
# undef EINTR /* override definition in errno.h */
# define EINTR WSAEINTR
# undef EINVAL /* override definition in errno.h */
# define EINVAL WSAEINVAL
# undef EWOULDBLOCK /* override definition in errno.h */
# define EWOULDBLOCK WSAEWOULDBLOCK
# undef EINPROGRESS /* override definition in errno.h */
# define EINPROGRESS WSAEINPROGRESS
# undef EALREADY /* override definition in errno.h */
# define EALREADY WSAEALREADY
# undef ENOTSOCK /* override definition in errno.h */
# define ENOTSOCK WSAENOTSOCK
# undef EDESTADDRREQ /* override definition in errno.h */
# define EDESTADDRREQ WSAEDESTADDRREQ
# undef EMSGSIZE /* override definition in errno.h */
# define EMSGSIZE WSAEMSGSIZE
# undef EPROTOTYPE /* override definition in errno.h */
# define EPROTOTYPE WSAEPROTOTYPE
# undef ENOPROTOOPT /* override definition in errno.h */
# define ENOPROTOOPT WSAENOPROTOOPT
# undef EPROTONOSUPPORT /* override definition in errno.h */
# define EPROTONOSUPPORT WSAEPROTONOSUPPORT
# define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
# undef EOPNOTSUPP /* override definition in errno.h */
# define EOPNOTSUPP WSAEOPNOTSUPP
# define EPFNOSUPPORT WSAEPFNOSUPPORT
# undef EAFNOSUPPORT /* override definition in errno.h */
# define EAFNOSUPPORT WSAEAFNOSUPPORT
# undef EADDRINUSE /* override definition in errno.h */
# define EADDRINUSE WSAEADDRINUSE
# undef EADDRNOTAVAIL /* override definition in errno.h */
# define EADDRNOTAVAIL WSAEADDRNOTAVAIL
# undef ENETDOWN /* override definition in errno.h */
# define ENETDOWN WSAENETDOWN
# undef ENETUNREACH /* override definition in errno.h */
# define ENETUNREACH WSAENETUNREACH
# undef ENETRESET /* override definition in errno.h */
# define ENETRESET WSAENETRESET
# undef ECONNABORTED /* override definition in errno.h */
# define ECONNABORTED WSAECONNABORTED
# undef ECONNRESET /* override definition in errno.h */
# define ECONNRESET WSAECONNRESET
# undef ENOBUFS /* override definition in errno.h */
# define ENOBUFS WSAENOBUFS
# undef EISCONN /* override definition in errno.h */
# define EISCONN WSAEISCONN
# undef ENOTCONN /* override definition in errno.h */
# define ENOTCONN WSAENOTCONN
# define ESHUTDOWN WSAESHUTDOWN
# define ETOOMANYREFS WSAETOOMANYREFS
# undef ETIMEDOUT /* override definition in errno.h */
# define ETIMEDOUT WSAETIMEDOUT
# undef ECONNREFUSED /* override definition in errno.h */
# define ECONNREFUSED WSAECONNREFUSED
# undef ELOOP /* override definition in errno.h */
# define ELOOP WSAELOOP
# ifndef ENAMETOOLONG /* possible previous definition in errno.h */
# define ENAMETOOLONG WSAENAMETOOLONG
# endif
# define EHOSTDOWN WSAEHOSTDOWN
# undef EHOSTUNREACH /* override definition in errno.h */
# define EHOSTUNREACH WSAEHOSTUNREACH
# ifndef ENOTEMPTY /* possible previous definition in errno.h */
# define ENOTEMPTY WSAENOTEMPTY
# endif
# define EPROCLIM WSAEPROCLIM
# define EUSERS WSAEUSERS
# define EDQUOT WSAEDQUOT
# define ESTALE WSAESTALE
# define EREMOTE WSAEREMOTE
#endif
#endif /* __ARES_SETUP_H */
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