2 pub fn slice_to_be16(v: &[u8]) -> u16 {
3 ((v[0] as u16) << 8*1) |
7 pub fn slice_to_be32(v: &[u8]) -> u32 {
8 ((v[0] as u32) << 8*3) |
9 ((v[1] as u32) << 8*2) |
10 ((v[2] as u32) << 8*1) |
11 ((v[3] as u32) << 8*0)
14 pub fn slice_to_le32(v: &[u8]) -> u32 {
15 ((v[0] as u32) << 8*0) |
16 ((v[1] as u32) << 8*1) |
17 ((v[2] as u32) << 8*2) |
18 ((v[3] as u32) << 8*3)
21 pub fn slice_to_be48(v: &[u8]) -> u64 {
22 ((v[0] as u64) << 8*5) |
23 ((v[1] as u64) << 8*4) |
24 ((v[2] as u64) << 8*3) |
25 ((v[3] as u64) << 8*2) |
26 ((v[4] as u64) << 8*1) |
27 ((v[5] as u64) << 8*0)
30 pub fn slice_to_be64(v: &[u8]) -> u64 {
31 ((v[0] as u64) << 8*7) |
32 ((v[1] as u64) << 8*6) |
33 ((v[2] as u64) << 8*5) |
34 ((v[3] as u64) << 8*4) |
35 ((v[4] as u64) << 8*3) |
36 ((v[5] as u64) << 8*2) |
37 ((v[6] as u64) << 8*1) |
38 ((v[7] as u64) << 8*0)
42 pub fn be16_to_array(u: u16) -> [u8; 2] {
44 v[0] = ((u >> 8*1) & 0xff) as u8;
45 v[1] = ((u >> 8*0) & 0xff) as u8;
49 pub fn be32_to_array(u: u32) -> [u8; 4] {
51 v[0] = ((u >> 8*3) & 0xff) as u8;
52 v[1] = ((u >> 8*2) & 0xff) as u8;
53 v[2] = ((u >> 8*1) & 0xff) as u8;
54 v[3] = ((u >> 8*0) & 0xff) as u8;
58 pub fn le32_to_array(u: u32) -> [u8; 4] {
60 v[0] = ((u >> 8*0) & 0xff) as u8;
61 v[1] = ((u >> 8*1) & 0xff) as u8;
62 v[2] = ((u >> 8*2) & 0xff) as u8;
63 v[3] = ((u >> 8*3) & 0xff) as u8;
67 pub fn be48_to_array(u: u64) -> [u8; 6] {
68 assert!(u & 0xffff_0000_0000_0000 == 0);
70 v[0] = ((u >> 8*5) & 0xff) as u8;
71 v[1] = ((u >> 8*4) & 0xff) as u8;
72 v[2] = ((u >> 8*3) & 0xff) as u8;
73 v[3] = ((u >> 8*2) & 0xff) as u8;
74 v[4] = ((u >> 8*1) & 0xff) as u8;
75 v[5] = ((u >> 8*0) & 0xff) as u8;
79 pub fn be64_to_array(u: u64) -> [u8; 8] {
81 v[0] = ((u >> 8*7) & 0xff) as u8;
82 v[1] = ((u >> 8*6) & 0xff) as u8;
83 v[2] = ((u >> 8*5) & 0xff) as u8;
84 v[3] = ((u >> 8*4) & 0xff) as u8;
85 v[4] = ((u >> 8*3) & 0xff) as u8;
86 v[5] = ((u >> 8*2) & 0xff) as u8;
87 v[6] = ((u >> 8*1) & 0xff) as u8;
88 v[7] = ((u >> 8*0) & 0xff) as u8;
93 pub fn le64_to_array(u: u64) -> [u8; 8] {
95 v[0] = ((u >> 8*0) & 0xff) as u8;
96 v[1] = ((u >> 8*1) & 0xff) as u8;
97 v[2] = ((u >> 8*2) & 0xff) as u8;
98 v[3] = ((u >> 8*3) & 0xff) as u8;
99 v[4] = ((u >> 8*4) & 0xff) as u8;
100 v[5] = ((u >> 8*5) & 0xff) as u8;
101 v[6] = ((u >> 8*6) & 0xff) as u8;
102 v[7] = ((u >> 8*7) & 0xff) as u8;