mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
2f9a1be867
* string/endian.h: Add macros for fixed-size endian conversion. * bits/byteswap.h: Allow inclusion from <endian.h>. * sysdeps/i386/bits/byteswap.h: Likewise. * sysdeps/ia64/bits/byteswap.h: Likewise. * sysdeps/s390/bits/byteswap.h: Likewise. * sysdeps/x86_64/bits/byteswap.h: Likewise. * string/Makefile (tests): Add tst-endian. * string/tst-endian.c: New file.
113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
#include <byteswap.h>
|
|
#include <endian.h>
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int result = 0;
|
|
|
|
for (uint64_t i = 0; i < (~UINT64_C (0)) >> 2; i = (i << 1) + 3)
|
|
{
|
|
if (i < UINT64_C (65536))
|
|
{
|
|
if (htobe16 (be16toh (i)) != i)
|
|
{
|
|
printf ("htobe16 (be16toh (%" PRIx64 ")) == %" PRIx16 "\n",
|
|
i, (uint16_t) htobe16 (be16toh (i)));
|
|
result = 1;
|
|
}
|
|
if (htole16 (le16toh (i)) != i)
|
|
{
|
|
printf ("htole16 (le16toh (%" PRIx64 ")) == %" PRIx16 "\n",
|
|
i, (uint16_t) htole16 (le16toh (i)));
|
|
result = 1;
|
|
}
|
|
|
|
uint16_t n[2];
|
|
n[__BYTE_ORDER == __LITTLE_ENDIAN] = bswap_16 (i);
|
|
n[__BYTE_ORDER == __BIG_ENDIAN] = i;
|
|
if (htole16 (i) != n[0])
|
|
{
|
|
printf ("htole16 (%" PRIx64 ") == %" PRIx16 " != %" PRIx16 "\n",
|
|
i, (uint16_t) htole16 (i), n[0]);
|
|
result = 1;
|
|
}
|
|
if (htobe16 (i) != n[1])
|
|
{
|
|
printf ("htobe16 (%" PRIx64 ") == %" PRIx16 " != %" PRIx16 "\n",
|
|
i, (uint16_t) htobe16 (i), n[1]);
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
if (i < UINT64_C (4294967296))
|
|
{
|
|
if (htobe32 (be32toh (i)) != i)
|
|
{
|
|
printf ("htobe32 (be32toh (%" PRIx64 ")) == %" PRIx32 "\n",
|
|
i, (uint32_t) htobe32 (be32toh (i)));
|
|
result = 1;
|
|
}
|
|
if (htole32 (le32toh (i)) != i)
|
|
{
|
|
printf ("htole32 (le32toh (%" PRIx64 ")) == %" PRIx32 "\n",
|
|
i, (uint32_t) htole32 (le32toh (i)));
|
|
result = 1;
|
|
}
|
|
|
|
uint32_t n[2];
|
|
n[__BYTE_ORDER == __LITTLE_ENDIAN] = bswap_32 (i);
|
|
n[__BYTE_ORDER == __BIG_ENDIAN] = i;
|
|
if (htole32 (i) != n[0])
|
|
{
|
|
printf ("htole32 (%" PRIx64 ") == %" PRIx32 " != %" PRIx32 "\n",
|
|
i, (uint32_t) htole32 (i), n[0]);
|
|
result = 1;
|
|
}
|
|
if (htobe32 (i) != n[1])
|
|
{
|
|
printf ("htobe32 (%" PRIx64 ") == %" PRIx32 " != %" PRIx32 "\n",
|
|
i, (uint32_t) htobe32 (i), n[1]);
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
if (htobe64 (be64toh (i)) != i)
|
|
{
|
|
printf ("htobe64 (be64toh (%" PRIx64 ")) == %" PRIx64 "\n",
|
|
i, htobe64 (be64toh (i)));
|
|
result = 1;
|
|
}
|
|
if (htole64 (le64toh (i)) != i)
|
|
{
|
|
printf ("htole64 (le64toh (%" PRIx64 ")) == %" PRIx64 "\n",
|
|
i, htole64 (le64toh (i)));
|
|
result = 1;
|
|
}
|
|
|
|
uint64_t n[2];
|
|
n[__BYTE_ORDER == __LITTLE_ENDIAN] = bswap_64 (i);
|
|
n[__BYTE_ORDER == __BIG_ENDIAN] = i;
|
|
if (htole64 (i) != n[0])
|
|
{
|
|
printf ("htole64 (%" PRIx64 ") == %" PRIx64 " != %" PRIx64 "\n",
|
|
i, htole64 (i), n[0]);
|
|
result = 1;
|
|
}
|
|
if (htobe64 (i) != n[1])
|
|
{
|
|
printf ("htobe64 (%" PRIx64 ") == %" PRIx64 " != %" PRIx64 "\n",
|
|
i, htobe64 (i), n[1]);
|
|
result = 1;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|