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/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#undef NDEBUG /* Keep test strong even for nbdkit built without assertions */
#include <assert.h>
#include "byte-swapping.h"
/* Little-endian test strings. */
static uint8_t le16[] = { 0x34, 0x12 };
static uint8_t le32[] = { 0x78, 0x56, 0x34, 0x12 };
static uint8_t le64[] = { 0xf0, 0xde, 0xbc, 0x9a, 0x78, 0x56, 0x34, 0x12 };
/* Big-endian test strings. */
static uint8_t be16[] = { 0x12, 0x34 };
static uint8_t be32[] = { 0x12, 0x34, 0x56, 0x78 };
static uint8_t be64[] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };
int
main (void)
{
uint16_t i16;
uint32_t i32;
uint64_t i64;
memcpy (&i16, le16, 2);
assert (le16toh (i16) == 0x1234);
memcpy (&i32, le32, 4);
assert (le32toh (i32) == 0x12345678);
memcpy (&i64, le64, 8);
assert (le64toh (i64) == 0x123456789abcdef0);
memcpy (&i16, be16, 2);
assert (be16toh (i16) == 0x1234);
memcpy (&i32, be32, 4);
assert (be32toh (i32) == 0x12345678);
memcpy (&i64, be64, 8);
assert (be64toh (i64) == 0x123456789abcdef0);
i16 = htole16 (0x1234);
assert (memcmp (&i16, le16, 2) == 0);
i32 = htole32 (0x12345678);
assert (memcmp (&i32, le32, 4) == 0);
i64 = htole64 (0x123456789abcdef0);
assert (memcmp (&i64, le64, 8) == 0);
i16 = htobe16 (0x1234);
assert (memcmp (&i16, be16, 2) == 0);
i32 = htobe32 (0x12345678);
assert (memcmp (&i32, be32, 4) == 0);
i64 = htobe64 (0x123456789abcdef0);
assert (memcmp (&i64, be64, 8) == 0);
memcpy (&i16, le16, 2);
i16 = bswap_16 (i16);
assert (memcmp (&i16, be16, 2) == 0);
i16 = bswap_16 (i16);
assert (memcmp (&i16, le16, 2) == 0);
memcpy (&i32, le32, 4);
i32 = bswap_32 (i32);
assert (memcmp (&i32, be32, 4) == 0);
i32 = bswap_32 (i32);
assert (memcmp (&i32, le32, 4) == 0);
memcpy (&i64, le64, 8);
i64 = bswap_64 (i64);
assert (memcmp (&i64, be64, 8) == 0);
i64 = bswap_64 (i64);
assert (memcmp (&i64, le64, 8) == 0);
exit (EXIT_SUCCESS);
}
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