.
[glibc/history.git] / inet / htons.c
blob95c94de8a3a53304d27466d8e4e92a122c618404
1 /* Copyright (C) 1993,97,2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <netinet/in.h>
21 #undef htons
22 #undef ntohs
24 uint16_t
25 htons (x)
26 uint16_t x;
28 #if BYTE_ORDER == BIG_ENDIAN
29 return x;
30 #elif BYTE_ORDER == LITTLE_ENDIAN
31 return __bswap_16 (x);
32 #else
33 # error "What kind of system is this?"
34 #endif
36 weak_alias (htons, ntohs)