| #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; |
| |
| (void)argc; |
| (void)argv; |
| |
| 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()); |
| } |