/* Test hton/ntoh functions. Copyright (C) 1997, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <endian.h> #include <stdio.h> #include <sys/types.h> #include <netinet/in.h> #if BYTE_ORDER == BIG_ENDIAN # define TEST(orig, swapped, fct) \ if ((fct (orig)) != (orig)) { \ printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig)); \ result = 1; \ } #elif BYTE_ORDER == LITTLE_ENDIAN # define TEST(orig, swapped, fct) \ if ((fct (orig)) != (swapped)) { \ printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig)); \ result = 1; \ } #else # error "Bah, what kind of system do you use?" #endif u_int32_t lo = 0x67452301; u_int16_t foo = 0x1234; int main (void) { int result = 0; TEST (0x67452301, 0x01234567, htonl); TEST (0x67452301, 0x01234567, (htonl)); TEST (0x67452301, 0x01234567, ntohl); TEST (0x67452301, 0x01234567, (ntohl)); TEST (lo, 0x01234567, htonl); TEST (lo, 0x01234567, (htonl)); TEST (lo, 0x01234567, ntohl); TEST (lo, 0x01234567, (ntohl)); TEST (0x1234, 0x3412, htons); TEST (0x1234, 0x3412, (htons)); TEST (0x1234, 0x3412, ntohs); TEST (0x1234, 0x3412, (ntohs)); TEST (foo, 0x3412, htons); TEST (foo, 0x3412, (htons)); TEST (foo, 0x3412, ntohs); TEST (foo, 0x3412, (ntohs)); return result; }