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Check for sockaddr_in.sin_len and initialize it

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Test for sockaddr_in.sin_len and initialize it to the correct value
which some systems (notably Mac OS X) require.

Note: this code path is only relevant when not using getaddrinfo().
This commit is contained in:
Alexander Barton 2009-09-14 01:23:19 +02:00
parent d5f80b2a8d
commit 5b1efaee67
2 changed files with 9 additions and 1 deletions
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6
configure.in
View File

@ -1,6 +1,6 @@
#
# ngIRCd -- The Next Generation IRC Daemon
# Copyright (c)2001-2008 Alexander Barton <alex@barton.de>
# Copyright (c)2001-2009 Alexander Barton <alex@barton.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -33,6 +33,7 @@ AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
AH_TEMPLATE([WANT_IPV6], [Define if IPV6 protocol should be enabled])
AH_TEMPLATE([ZEROCONF], [Define if support for Zeroconf should be included])
AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
AH_TEMPLATE([HAVE_sockaddr_in_len], [Define if sockaddr_in.sin_len exists])
AH_TEMPLATE([TARGET_OS], [Target operating system name])
AH_TEMPLATE([TARGET_VENDOR], [Target system vendor])
@ -124,6 +125,9 @@ AC_TRY_COMPILE([
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_CHECK_MEMBER([struct sockaddr_in.sin_len], AC_DEFINE(HAVE_sockaddr_in_len),,
[#include <arpa/inet.h>])
# -- Libraries --
AC_CHECK_LIB(UTIL,memmove)

4
src/ipaddr/ng_ipaddr.c
View File

@ -51,6 +51,10 @@ ng_ipaddr_init(ng_ipaddr_t *addr, const char *ip_str, UINT16 port)
return ret == 0;
#else /* HAVE_GETADDRINFO */
assert(ip_str);
memset(addr, 0, sizeof *addr);
#ifdef HAVE_sockaddr_in_len
addr->sin4.sin_len = sizeof(addr->sin4);
#endif
addr->sin4.sin_family = AF_INET;
# ifdef HAVE_INET_ATON
if (inet_aton(ip_str, &addr->sin4.sin_addr) == 0)