view release on metacpan or  search on metacpan

libcares/ares.h  view on Meta::CPAN

/* Copyright 1998 by the Massachusetts Institute of Technology.
 * Copyright (C) 2007-2013 by Daniel Stenberg
 *
 * 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.
 */

#ifndef ARES__H
#define ARES__H

#include "ares_version.h"  /* c-ares version defines   */
#include "ares_build.h"    /* c-ares build definitions */
#include "ares_rules.h"    /* c-ares rules enforcement */

/*
 * Define WIN32 when build target is Win32 API
 */

#if (defined(_WIN32) || defined(__WIN32__)) && \
   !defined(WIN32) && !defined(__SYMBIAN32__)
#  define WIN32
#endif

#include <sys/types.h>

/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
   libc5-based Linux systems. Only include it on system that are known to
   require it! */
#if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
    defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
    defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
    defined(__QNXNTO__)
#include <sys/select.h>
#endif
#if (defined(NETWARE) && !defined(__NOVELL_LIBC__))
#include <sys/bsdskt.h>
#endif

#if defined(WATT32)
#  include <netinet/in.h>
#  include <sys/socket.h>
#  include <tcp.h>
#elif defined(_WIN32_WCE)
#  ifndef WIN32_LEAN_AND_MEAN
#    define WIN32_LEAN_AND_MEAN
#  endif
#  include <windows.h>
#  include <winsock.h>
#elif defined(WIN32)
#  ifndef WIN32_LEAN_AND_MEAN
#    define WIN32_LEAN_AND_MEAN
#  endif
#  include <windows.h>
#  include <winsock2.h>
#  include <ws2tcpip.h>
#else
#  include <sys/socket.h>
#  include <netinet/in.h>
#endif

#if defined(ANDROID) || defined(__ANDROID__)
#include <jni.h>
#endif

#ifdef  __cplusplus
extern "C" {
#endif

/*
** c-ares external API function linkage decorations.
*/

#ifdef CARES_STATICLIB
#  define CARES_EXTERN
#elif defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)
#  if defined(CARES_BUILDING_LIBRARY)
#    define CARES_EXTERN  __declspec(dllexport)
#  else
#    define CARES_EXTERN  __declspec(dllimport)
#  endif
#elif defined(CARES_BUILDING_LIBRARY) && defined(CARES_SYMBOL_HIDING)
#  define CARES_EXTERN CARES_SYMBOL_SCOPE_EXTERN
#else
#  define CARES_EXTERN
#endif


#define ARES_SUCCESS            0

/* Server error codes (ARES_ENODATA indicates no relevant answer) */
#define ARES_ENODATA            1
#define ARES_EFORMERR           2
#define ARES_ESERVFAIL          3