1 #include <ccan/endian/endian.h>
4 #include <ccan/tap/tap.h>
6 int main(int argc, char *argv[])
10 unsigned char u64_bytes[8];
14 unsigned char u32_bytes[4];
18 unsigned char u16_bytes[2];
26 /* Straight swap tests. */
27 u64.u64_bytes[0] = 0x00;
28 u64.u64_bytes[1] = 0x11;
29 u64.u64_bytes[2] = 0x22;
30 u64.u64_bytes[3] = 0x33;
31 u64.u64_bytes[4] = 0x44;
32 u64.u64_bytes[5] = 0x55;
33 u64.u64_bytes[6] = 0x66;
34 u64.u64_bytes[7] = 0x77;
35 u64.u64 = bswap_64(u64.u64);
36 ok1(u64.u64_bytes[7] == 0x00);
37 ok1(u64.u64_bytes[6] == 0x11);
38 ok1(u64.u64_bytes[5] == 0x22);
39 ok1(u64.u64_bytes[4] == 0x33);
40 ok1(u64.u64_bytes[3] == 0x44);
41 ok1(u64.u64_bytes[2] == 0x55);
42 ok1(u64.u64_bytes[1] == 0x66);
43 ok1(u64.u64_bytes[0] == 0x77);
45 u32.u32_bytes[0] = 0x00;
46 u32.u32_bytes[1] = 0x11;
47 u32.u32_bytes[2] = 0x22;
48 u32.u32_bytes[3] = 0x33;
49 u32.u32 = bswap_32(u32.u32);
50 ok1(u32.u32_bytes[3] == 0x00);
51 ok1(u32.u32_bytes[2] == 0x11);
52 ok1(u32.u32_bytes[1] == 0x22);
53 ok1(u32.u32_bytes[0] == 0x33);
55 u16.u16_bytes[0] = 0x00;
56 u16.u16_bytes[1] = 0x11;
57 u16.u16 = bswap_16(u16.u16);
58 ok1(u16.u16_bytes[1] == 0x00);
59 ok1(u16.u16_bytes[0] == 0x11);
62 u64.u64 = cpu_to_le64(0x0011223344556677ULL);
63 ok1(u64.u64_bytes[0] == 0x77);
64 ok1(u64.u64_bytes[1] == 0x66);
65 ok1(u64.u64_bytes[2] == 0x55);
66 ok1(u64.u64_bytes[3] == 0x44);
67 ok1(u64.u64_bytes[4] == 0x33);
68 ok1(u64.u64_bytes[5] == 0x22);
69 ok1(u64.u64_bytes[6] == 0x11);
70 ok1(u64.u64_bytes[7] == 0x00);
71 ok1(le64_to_cpu(u64.u64) == 0x0011223344556677ULL);
73 u64.u64 = cpu_to_be64(0x0011223344556677ULL);
74 ok1(u64.u64_bytes[7] == 0x77);
75 ok1(u64.u64_bytes[6] == 0x66);
76 ok1(u64.u64_bytes[5] == 0x55);
77 ok1(u64.u64_bytes[4] == 0x44);
78 ok1(u64.u64_bytes[3] == 0x33);
79 ok1(u64.u64_bytes[2] == 0x22);
80 ok1(u64.u64_bytes[1] == 0x11);
81 ok1(u64.u64_bytes[0] == 0x00);
82 ok1(be64_to_cpu(u64.u64) == 0x0011223344556677ULL);
84 u32.u32 = cpu_to_le32(0x00112233);
85 ok1(u32.u32_bytes[0] == 0x33);
86 ok1(u32.u32_bytes[1] == 0x22);
87 ok1(u32.u32_bytes[2] == 0x11);
88 ok1(u32.u32_bytes[3] == 0x00);
89 ok1(le32_to_cpu(u32.u32) == 0x00112233);
91 u32.u32 = cpu_to_be32(0x00112233);
92 ok1(u32.u32_bytes[3] == 0x33);
93 ok1(u32.u32_bytes[2] == 0x22);
94 ok1(u32.u32_bytes[1] == 0x11);
95 ok1(u32.u32_bytes[0] == 0x00);
96 ok1(be32_to_cpu(u32.u32) == 0x00112233);
98 u16.u16 = cpu_to_le16(0x0011);
99 ok1(u16.u16_bytes[0] == 0x11);
100 ok1(u16.u16_bytes[1] == 0x00);
101 ok1(le16_to_cpu(u16.u16) == 0x0011);
103 u16.u16 = cpu_to_be16(0x0011);
104 ok1(u16.u16_bytes[1] == 0x11);
105 ok1(u16.u16_bytes[0] == 0x00);
106 ok1(be16_to_cpu(u16.u16) == 0x0011);