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71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* Test hton/ntoh functions.
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Copyright (C) 1997-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <endian.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#if BYTE_ORDER == BIG_ENDIAN
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# define TEST(orig, swapped, fct) \
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if ((fct (orig)) != (orig)) { \
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printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig)); \
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result = 1; \
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}
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#elif BYTE_ORDER == LITTLE_ENDIAN
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# define TEST(orig, swapped, fct) \
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if ((fct (orig)) != (swapped)) { \
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printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig)); \
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result = 1; \
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}
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#else
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# error "Bah, what kind of system do you use?"
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#endif
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uint32_t lo = 0x67452301;
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uint16_t foo = 0x1234;
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int
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main (void)
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{
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int result = 0;
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TEST (0x67452301, 0x01234567, htonl);
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TEST (0x67452301, 0x01234567, (htonl));
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TEST (0x67452301, 0x01234567, ntohl);
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TEST (0x67452301, 0x01234567, (ntohl));
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TEST (lo, 0x01234567, htonl);
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TEST (lo, 0x01234567, (htonl));
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TEST (lo, 0x01234567, ntohl);
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TEST (lo, 0x01234567, (ntohl));
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TEST (0x1234, 0x3412, htons);
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TEST (0x1234, 0x3412, (htons));
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TEST (0x1234, 0x3412, ntohs);
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TEST (0x1234, 0x3412, (ntohs));
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TEST (foo, 0x3412, htons);
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TEST (foo, 0x3412, (htons));
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TEST (foo, 0x3412, ntohs);
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TEST (foo, 0x3412, (ntohs));
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return result;
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}
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