1: /* Test hton/ntoh functions.
    2:    Copyright (C) 1997, 2002 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4:    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
    5: 
    6:    The GNU C Library is free software; you can redistribute it and/or
    7:    modify it under the terms of the GNU Lesser General Public
    8:    License as published by the Free Software Foundation; either
    9:    version 2.1 of the License, or (at your option) any later version.
   10: 
   11:    The GNU C Library 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 GNU
   14:    Lesser General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU Lesser General Public
   17:    License along with the GNU C Library; if not, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include <endian.h>
   22: #include <stdio.h>
   23: #include <sys/types.h>
   24: #include <netinet/in.h>
   25: 
   26: #if BYTE_ORDER == BIG_ENDIAN
   27: # define TEST(orig, swapped, fct) \
   28:   if ((fct (orig)) != (orig)) {                                               \
   29:     printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig));        \
   30:     result = 1;                                                               \
   31:   }
   32: #elif BYTE_ORDER == LITTLE_ENDIAN
   33: # define TEST(orig, swapped, fct) \
   34:   if ((fct (orig)) != (swapped)) {                                            \
   35:     printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig));        \
   36:     result = 1;                                                               \
   37:   }
   38: #else
   39: # error "Bah, what kind of system do you use?"
   40: #endif
   41: 
   42: u_int32_t lo = 0x67452301;
   43: u_int16_t foo = 0x1234;
   44: 
   45: int
   46: main (void)
   47: {
   48:   int result = 0;
   49: 
   50:   TEST (0x67452301, 0x01234567, htonl);
   51:   TEST (0x67452301, 0x01234567, (htonl));
   52:   TEST (0x67452301, 0x01234567, ntohl);
   53:   TEST (0x67452301, 0x01234567, (ntohl));
   54: 
   55:   TEST (lo, 0x01234567, htonl);
   56:   TEST (lo, 0x01234567, (htonl));
   57:   TEST (lo, 0x01234567, ntohl);
   58:   TEST (lo, 0x01234567, (ntohl));
   59: 
   60:   TEST (0x1234, 0x3412, htons);
   61:   TEST (0x1234, 0x3412, (htons));
   62:   TEST (0x1234, 0x3412, ntohs);
   63:   TEST (0x1234, 0x3412, (ntohs));
   64: 
   65:   TEST (foo, 0x3412, htons);
   66:   TEST (foo, 0x3412, (htons));
   67:   TEST (foo, 0x3412, ntohs);
   68:   TEST (foo, 0x3412, (ntohs));
   69: 
   70:   return result;
   71: }