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#include <ccan/endian/endian.h>
#include <stdlib.h>
#include <stddef.h>
#include <ccan/tap/tap.h>
int main(int argc, char *argv[])
{
union {
uint64_t u64;
unsigned char u64_bytes[8];
} u64;
union {
uint32_t u32;
unsigned char u32_bytes[4];
} u32;
union {
uint16_t u16;
unsigned char u16_bytes[2];
} u16;
plan_tests(48);
/* Straight swap tests. */
u64.u64_bytes[0] = 0x00;
u64.u64_bytes[1] = 0x11;
u64.u64_bytes[2] = 0x22;
u64.u64_bytes[3] = 0x33;
u64.u64_bytes[4] = 0x44;
u64.u64_bytes[5] = 0x55;
u64.u64_bytes[6] = 0x66;
u64.u64_bytes[7] = 0x77;
u64.u64 = bswap_64(u64.u64);
ok1(u64.u64_bytes[7] == 0x00);
ok1(u64.u64_bytes[6] == 0x11);
ok1(u64.u64_bytes[5] == 0x22);
ok1(u64.u64_bytes[4] == 0x33);
ok1(u64.u64_bytes[3] == 0x44);
ok1(u64.u64_bytes[2] == 0x55);
ok1(u64.u64_bytes[1] == 0x66);
ok1(u64.u64_bytes[0] == 0x77);
u32.u32_bytes[0] = 0x00;
u32.u32_bytes[1] = 0x11;
u32.u32_bytes[2] = 0x22;
u32.u32_bytes[3] = 0x33;
u32.u32 = bswap_32(u32.u32);
ok1(u32.u32_bytes[3] == 0x00);
ok1(u32.u32_bytes[2] == 0x11);
ok1(u32.u32_bytes[1] == 0x22);
ok1(u32.u32_bytes[0] == 0x33);
u16.u16_bytes[0] = 0x00;
u16.u16_bytes[1] = 0x11;
u16.u16 = bswap_16(u16.u16);
ok1(u16.u16_bytes[1] == 0x00);
ok1(u16.u16_bytes[0] == 0x11);
/* Endian tests. */
u64.u64 = cpu_to_le64(0x0011223344556677ULL);
ok1(u64.u64_bytes[0] == 0x77);
ok1(u64.u64_bytes[1] == 0x66);
ok1(u64.u64_bytes[2] == 0x55);
ok1(u64.u64_bytes[3] == 0x44);
ok1(u64.u64_bytes[4] == 0x33);
ok1(u64.u64_bytes[5] == 0x22);
ok1(u64.u64_bytes[6] == 0x11);
ok1(u64.u64_bytes[7] == 0x00);
ok1(le64_to_cpu(u64.u64) == 0x0011223344556677ULL);
u64.u64 = cpu_to_be64(0x0011223344556677ULL);
ok1(u64.u64_bytes[7] == 0x77);
ok1(u64.u64_bytes[6] == 0x66);
ok1(u64.u64_bytes[5] == 0x55);
ok1(u64.u64_bytes[4] == 0x44);
ok1(u64.u64_bytes[3] == 0x33);
ok1(u64.u64_bytes[2] == 0x22);
ok1(u64.u64_bytes[1] == 0x11);
ok1(u64.u64_bytes[0] == 0x00);
ok1(be64_to_cpu(u64.u64) == 0x0011223344556677ULL);
u32.u32 = cpu_to_le32(0x00112233);
ok1(u32.u32_bytes[0] == 0x33);
ok1(u32.u32_bytes[1] == 0x22);
ok1(u32.u32_bytes[2] == 0x11);
ok1(u32.u32_bytes[3] == 0x00);
ok1(le32_to_cpu(u32.u32) == 0x00112233);
u32.u32 = cpu_to_be32(0x00112233);
ok1(u32.u32_bytes[3] == 0x33);
ok1(u32.u32_bytes[2] == 0x22);
ok1(u32.u32_bytes[1] == 0x11);
ok1(u32.u32_bytes[0] == 0x00);
ok1(be32_to_cpu(u32.u32) == 0x00112233);
u16.u16 = cpu_to_le16(0x0011);
ok1(u16.u16_bytes[0] == 0x11);
ok1(u16.u16_bytes[1] == 0x00);
ok1(le16_to_cpu(u16.u16) == 0x0011);
u16.u16 = cpu_to_be16(0x0011);
ok1(u16.u16_bytes[1] == 0x11);
ok1(u16.u16_bytes[0] == 0x00);
ok1(be16_to_cpu(u16.u16) == 0x0011);
exit(exit_status());
}
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