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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2016 Joyent, Inc.
*/
/*
* Test endian(3C).
*/
#include <sys/types.h>
#include <endian.h>
#include <sys/debug.h>
#ifndef BIG_ENDIAN
#error "Missing BIG_ENDIAN definition"
#endif
#ifndef LITTLE_ENDIAN
#error "Missing LITTLE_ENDIAN definition"
#endif
static void
endian_fromhost(void)
{
uint16_t val16 = 0x1122;
uint32_t val32 = 0x11223344;
uint64_t val64 = 0x1122334455667788ULL;
uint16_t ebe16, ele16, test16;
uint32_t ebe32, ele32, test32;
uint64_t ebe64, ele64, test64;
#if defined(_LITTLE_ENDIAN)
ebe16 = 0x2211;
ebe32 = 0x44332211UL;
ebe64 = 0x8877665544332211ULL;
ele16 = 0x1122;
ele32 = 0x11223344UL;
ele64 = 0x1122334455667788ULL;
#elif defined(_BIG_ENDIAN)
ele16 = 0x2211;
ele32 = 0x44332211UL;
ele64 = 0x8877665544332211ULL;
ebe16 = 0x1122;
ebe32 = 0x11223344UL;
ebe64 = 0x1122334455667788ULL;
#else
#error "Unknown byte order"
#endif /* _LITTLE_ENDIAN */
test16 = htobe16(val16);
VERIFY3U(test16, ==, ebe16);
test32 = htobe32(val32);
VERIFY3U(test32, ==, ebe32);
test64 = htobe64(val64);
VERIFY3U(test64, ==, ebe64);
test16 = htole16(val16);
VERIFY3U(test16, ==, ele16);
test32 = htole32(val32);
VERIFY3U(test32, ==, ele32);
test64 = htole64(val64);
VERIFY3U(test64, ==, ele64);
}
static void
endian_frombig(void)
{
uint16_t val16 = 0x1122;
uint32_t val32 = 0x11223344;
uint64_t val64 = 0x1122334455667788ULL;
uint16_t e16, test16;
uint32_t e32, test32;
uint64_t e64, test64;
#if defined(_LITTLE_ENDIAN)
e16 = 0x2211;
e32 = 0x44332211UL;
e64 = 0x8877665544332211ULL;
#elif defined(_BIG_ENDIAN)
e16 = 0x1122;
e32 = 0x11223344UL;
e64 = 0x1122334455667788ULL;
#else
#error "Unknown byte order"
#endif /* _LITTLE_ENDIAN */
test16 = be16toh(val16);
VERIFY3U(test16, ==, e16);
test16 = betoh16(val16);
VERIFY3U(test16, ==, e16);
test32 = be32toh(val32);
VERIFY3U(test32, ==, e32);
test32 = betoh32(val32);
VERIFY3U(test32, ==, e32);
test64 = be64toh(val64);
VERIFY3U(test64, ==, e64);
test64 = betoh64(val64);
VERIFY3U(test64, ==, e64);
}
static void
endian_fromlittle(void)
{
uint16_t val16 = 0x1122;
uint32_t val32 = 0x11223344;
uint64_t val64 = 0x1122334455667788ULL;
uint16_t e16, test16;
uint32_t e32, test32;
uint64_t e64, test64;
#if defined(_LITTLE_ENDIAN)
e16 = 0x1122;
e32 = 0x11223344UL;
e64 = 0x1122334455667788ULL;
#elif defined(_BIG_ENDIAN)
e16 = 0x2211;
e32 = 0x44332211UL;
e64 = 0x8877665544332211ULL;
#else
#error "Unknown byte order"
#endif /* _LITTLE_ENDIAN */
test16 = le16toh(val16);
VERIFY3U(test16, ==, e16);
test16 = letoh16(val16);
VERIFY3U(test16, ==, e16);
test32 = le32toh(val32);
VERIFY3U(test32, ==, e32);
test32 = letoh32(val32);
VERIFY3U(test32, ==, e32);
test64 = le64toh(val64);
VERIFY3U(test64, ==, e64);
test64 = letoh64(val64);
VERIFY3U(test64, ==, e64);
}
int
main(void)
{
endian_fromhost();
endian_frombig();
endian_fromlittle();
return (0);
}
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