Coverage Report

Created: 2026-11-12 06:59

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/rust/registry/src/index.crates.io-1949cf8c6b5b557f/crc-1.8.1/src/util.rs
Line
Count
Source
1
0
pub fn make_table_crc16(poly: u16) -> [u16; 256] {
2
0
    let mut table = [0u16; 256];
3
0
    for i in 0..256 {
4
0
        let mut value = i as u16;
5
0
        for _ in 0..8 {
6
0
            value = if (value & 1) == 1 {
7
0
                (value >> 1) ^ poly
8
            } else {
9
0
                value >> 1
10
            }
11
        }
12
0
        table[i] = value;
13
    }
14
0
    table
15
0
}
16
17
0
pub fn make_table_crc32(poly: u32) -> [u32; 256] {
18
0
    let mut table = [0u32; 256];
19
0
    for i in 0..256 {
20
0
        let mut value = i as u32;
21
0
        for _ in 0..8 {
22
0
            value = if (value & 1) == 1 {
23
0
                (value >> 1) ^ poly
24
            } else {
25
0
                value >> 1
26
            }
27
        }
28
0
        table[i] = value;
29
    }
30
0
    table
31
0
}
32
33
0
pub fn make_table_crc64(poly: u64) -> [u64; 256] {
34
0
    let mut table = [0u64; 256];
35
0
    for i in 0..256 {
36
0
        let mut value = i as u64;
37
0
        for _ in 0..8 {
38
0
            value = if (value & 1) == 1 {
39
0
                (value >> 1) ^ poly
40
            } else {
41
0
                value >> 1
42
            }
43
        }
44
0
        table[i] = value;
45
    }
46
0
    table
47
0
}