codec: faad: don't reorder with random table
[vlc.git] / compat / inet_pton.c
blob7052a1a7a5ff6e2ad41579996daecec12ac0263b
1 /*****************************************************************************
2 * inet_pton.c: POSIX/IETF inet_pton() and inet_ntop() replacements
3 *****************************************************************************
4 * Copyright © 2011 Rémi Denis-Courmont
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation; either version 2.1 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
19 *****************************************************************************/
21 #ifdef HAVE_CONFIG_H
22 # include <config.h>
23 #endif
25 #include <stdio.h>
26 #include <errno.h>
28 #include <sys/types.h>
29 #ifndef _WIN32
30 # include <sys/socket.h>
31 #else
32 # include <winsock2.h>
33 # include <ws2tcpip.h>
34 # undef EAFNOSUPPORT
35 # define EAFNOSUPPORT WSAEAFNOSUPPORT
36 #endif
38 int inet_pton (int af, const char *src, void *dst)
40 unsigned char *b = dst;
42 switch (af)
44 case AF_INET:
45 return sscanf (src, "%hhu.%hhu.%hhu.%hhu",
46 b + 0, b + 1, b + 2, b + 3) == 4;
48 errno = EAFNOSUPPORT;
49 return -1;
52 const char *inet_ntop (int af, const void *src, char *dst, socklen_t len)
54 const unsigned char *b = src;
56 switch (af)
58 case AF_INET:
59 if (snprintf (dst, len, "%hhu.%hhu.%hhu.%hhu",
60 b[0], b[1], b[2], b[3]) >= len)
62 errno = ENOSPC;
63 return NULL;
65 return dst;
67 errno = EAFNOSUPPORT;
68 return NULL;