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# Check for getaddrinfo replacement. -*- Autoconf -*-
# Copyright (c) 2010 by Stephane Fillod
#
# This file is part of Hamlib
#
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
AC_DEFUN([HL_GETADDRINFO],
[
AC_CHECK_TYPES([struct addrinfo],[],[],[
#if HAVE_NETDB_H
# include <netdb.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#elif HAVE_WS2TCPIP_H
# include <ws2tcpip.h>
#endif
])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#if HAVE_NETDB_H
# include <netdb.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#elif HAVE_WS2TCPIP_H
# include <ws2tcpip.h>
#endif
#include <stddef.h>
]],
[[getaddrinfo("", "", NULL, NULL);]])],
[ac_cv_func_getaddrinfo=yes
AC_DEFINE(HAVE_GETADDRINFO,[1],[Define if getaddrinfo is available])],
[ac_cv_func_getaddrinfo=no])
AC_CHECK_DECLS([gai_strerror], [], [], [[
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#include <stddef.h>
]])
dnl Checks for replacements
AC_REPLACE_FUNCS([getaddrinfo])
AH_BOTTOM(
[
/* Define missing prototypes, implemented in replacement lib */
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HAVE_STRUCT_ADDRINFO
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#elif HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
struct addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
socklen_t ai_addrlen;
struct sockaddr *ai_addr;
};
#endif
#ifndef HAVE_GETADDRINFO
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#elif HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifndef AI_PASSIVE
#define AI_PASSIVE 0x0001
#endif
int getaddrinfo(const char *node, const char *service,
const struct addrinfo *hints, struct addrinfo **res);
void freeaddrinfo(struct addrinfo *res);
#endif
#if !defined(HAVE_DECL_GAI_STRERROR) && !defined(gai_strerror)
const char *gai_strerror(int errcode);
#endif /* !HAVE_DECL_GAI_STRERROR */
#ifdef __cplusplus
}
#endif
])
])
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