aboutsummaryrefslogtreecommitdiff
path: root/src/crypto/common.h
blob: 4a9d1150b6777c04a0c5b5300dd8b89240968f6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
// Copyright (c) 2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_CRYPTO_COMMON_H
#define BITCOIN_CRYPTO_COMMON_H

#if defined(HAVE_CONFIG_H)
#include "bitcoin-config.h"
#endif

#include <stdint.h>
#include <string.h>

#include "compat/endian.h"

uint16_t static inline ReadLE16(const unsigned char* ptr)
{
    uint16_t x;
    memcpy((char*)&x, ptr, 2);
    return le16toh(x);
}

uint32_t static inline ReadLE32(const unsigned char* ptr)
{
    uint32_t x;
    memcpy((char*)&x, ptr, 4);
    return le32toh(x);
}

uint64_t static inline ReadLE64(const unsigned char* ptr)
{
    uint64_t x;
    memcpy((char*)&x, ptr, 8);
    return le64toh(x);
}

void static inline WriteLE16(unsigned char* ptr, uint16_t x)
{
    uint16_t v = htole16(x);
    memcpy(ptr, (char*)&v, 2);
}

void static inline WriteLE32(unsigned char* ptr, uint32_t x)
{
    uint32_t v = htole32(x);
    memcpy(ptr, (char*)&v, 4);
}

void static inline WriteLE64(unsigned char* ptr, uint64_t x)
{
    uint64_t v = htole64(x);
    memcpy(ptr, (char*)&v, 8);
}

uint32_t static inline ReadBE32(const unsigned char* ptr)
{
    uint32_t x;
    memcpy((char*)&x, ptr, 4);
    return be32toh(x);
}

uint64_t static inline ReadBE64(const unsigned char* ptr)
{
    uint64_t x;
    memcpy((char*)&x, ptr, 8);
    return be64toh(x);
}

void static inline WriteBE32(unsigned char* ptr, uint32_t x)
{
    uint32_t v = htobe32(x);
    memcpy(ptr, (char*)&v, 4);
}

void static inline WriteBE64(unsigned char* ptr, uint64_t x)
{
    uint64_t v = htobe64(x);
    memcpy(ptr, (char*)&v, 8);
}

#endif // BITCOIN_CRYPTO_COMMON_H