fuzz coverage

Coverage Report

Created: 2026-04-24 13:48

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/root/bitcoin/src/crypto/common.h
Line
Count
Source
1
// Copyright (c) 2014-present The Bitcoin Core developers
2
// Distributed under the MIT software license, see the accompanying
3
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5
#ifndef BITCOIN_CRYPTO_COMMON_H
6
#define BITCOIN_CRYPTO_COMMON_H
7
8
#include <compat/endian.h>
9
10
#include <concepts>
11
#include <cstddef>
12
#include <cstdint>
13
#include <cstring>
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15
template <typename B>
16
concept ByteType = std::same_as<B, unsigned char> || std::same_as<B, std::byte>;
17
18
template <ByteType B>
19
inline uint16_t ReadLE16(const B* ptr)
20
0
{
21
0
    uint16_t x;
22
0
    memcpy(&x, ptr, 2);
23
0
    return le16toh_internal(x);
24
0
}
25
26
template <ByteType B>
27
inline uint32_t ReadLE32(const B* ptr)
28
12.4G
{
29
12.4G
    uint32_t x;
30
12.4G
    memcpy(&x, ptr, 4);
31
12.4G
    return le32toh_internal(x);
32
12.4G
}
unsigned int ReadLE32<unsigned char>(unsigned char const*)
Line
Count
Source
28
7.44G
{
29
7.44G
    uint32_t x;
30
7.44G
    memcpy(&x, ptr, 4);
31
7.44G
    return le32toh_internal(x);
32
7.44G
}
unsigned int ReadLE32<std::byte>(std::byte const*)
Line
Count
Source
28
5.05G
{
29
5.05G
    uint32_t x;
30
5.05G
    memcpy(&x, ptr, 4);
31
5.05G
    return le32toh_internal(x);
32
5.05G
}
33
34
template <ByteType B>
35
inline uint64_t ReadLE64(const B* ptr)
36
5.99G
{
37
5.99G
    uint64_t x;
38
5.99G
    memcpy(&x, ptr, 8);
39
5.99G
    return le64toh_internal(x);
40
5.99G
}
unsigned long ReadLE64<unsigned char>(unsigned char const*)
Line
Count
Source
36
5.74G
{
37
5.74G
    uint64_t x;
38
5.74G
    memcpy(&x, ptr, 8);
39
5.74G
    return le64toh_internal(x);
40
5.74G
}
unsigned long ReadLE64<std::byte>(std::byte const*)
Line
Count
Source
36
249M
{
37
249M
    uint64_t x;
38
249M
    memcpy(&x, ptr, 8);
39
249M
    return le64toh_internal(x);
40
249M
}
41
42
template <ByteType B>
43
inline void WriteLE16(B* ptr, uint16_t x)
44
0
{
45
0
    uint16_t v = htole16_internal(x);
46
0
    memcpy(ptr, &v, 2);
47
0
}
48
49
template <ByteType B>
50
inline void WriteLE32(B* ptr, uint32_t x)
51
5.93G
{
52
5.93G
    uint32_t v = htole32_internal(x);
53
5.93G
    memcpy(ptr, &v, 4);
54
5.93G
}
void WriteLE32<unsigned char>(unsigned char*, unsigned int)
Line
Count
Source
51
1.18M
{
52
1.18M
    uint32_t v = htole32_internal(x);
53
1.18M
    memcpy(ptr, &v, 4);
54
1.18M
}
void WriteLE32<std::byte>(std::byte*, unsigned int)
Line
Count
Source
51
5.92G
{
52
5.92G
    uint32_t v = htole32_internal(x);
53
5.92G
    memcpy(ptr, &v, 4);
54
5.92G
}
55
56
template <ByteType B>
57
inline void WriteLE64(B* ptr, uint64_t x)
58
3.64k
{
59
3.64k
    uint64_t v = htole64_internal(x);
60
3.64k
    memcpy(ptr, &v, 8);
61
3.64k
}
Unexecuted instantiation: void WriteLE64<std::byte>(std::byte*, unsigned long)
void WriteLE64<unsigned char>(unsigned char*, unsigned long)
Line
Count
Source
58
3.64k
{
59
3.64k
    uint64_t v = htole64_internal(x);
60
3.64k
    memcpy(ptr, &v, 8);
61
3.64k
}
62
63
template <ByteType B>
64
inline uint16_t ReadBE16(const B* ptr)
65
60.0k
{
66
60.0k
    uint16_t x;
67
60.0k
    memcpy(&x, ptr, 2);
68
60.0k
    return be16toh_internal(x);
69
60.0k
}
70
71
template <ByteType B>
72
inline uint32_t ReadBE32(const B* ptr)
73
190M
{
74
190M
    uint32_t x;
75
190M
    memcpy(&x, ptr, 4);
76
190M
    return be32toh_internal(x);
77
190M
}
unsigned int ReadBE32<unsigned char>(unsigned char const*)
Line
Count
Source
73
190M
{
74
190M
    uint32_t x;
75
190M
    memcpy(&x, ptr, 4);
76
190M
    return be32toh_internal(x);
77
190M
}
Unexecuted instantiation: unsigned int ReadBE32<std::byte>(std::byte const*)
78
79
template <ByteType B>
80
inline uint64_t ReadBE64(const B* ptr)
81
3.95G
{
82
3.95G
    uint64_t x;
83
3.95G
    memcpy(&x, ptr, 8);
84
3.95G
    return be64toh_internal(x);
85
3.95G
}
86
87
template <ByteType B>
88
inline void WriteBE16(B* ptr, uint16_t x)
89
0
{
90
0
    uint16_t v = htobe16_internal(x);
91
0
    memcpy(ptr, &v, 2);
92
0
}
93
94
template <ByteType B>
95
inline void WriteBE32(B* ptr, uint32_t x)
96
15.8G
{
97
15.8G
    uint32_t v = htobe32_internal(x);
98
15.8G
    memcpy(ptr, &v, 4);
99
15.8G
}
100
101
template <ByteType B>
102
inline void WriteBE64(B* ptr, uint64_t x)
103
4.15G
{
104
4.15G
    uint64_t v = htobe64_internal(x);
105
4.15G
    memcpy(ptr, &v, 8);
106
4.15G
}
107
108
#endif // BITCOIN_CRYPTO_COMMON_H