79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
|
||
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
|
||
*
|
||
* Licensed under the Apache License, Version 2.0 (the License); you may
|
||
* not use this file except in compliance with the License.
|
||
*
|
||
* http://www.apache.org/licenses/LICENSE-2.0
|
||
*/
|
||
|
||
|
||
#ifndef GMSSL_ENDIAN_H
|
||
#define GMSSL_ENDIAN_H
|
||
|
||
|
||
/* Big Endian R/W */
|
||
|
||
#define GETU16(p) \
|
||
((uint16_t)(p)[0] << 8 | \
|
||
(uint16_t)(p)[1])
|
||
|
||
#define GETU32(p) \
|
||
((uint32_t)(p)[0] << 24 | \
|
||
(uint32_t)(p)[1] << 16 | \
|
||
(uint32_t)(p)[2] << 8 | \
|
||
(uint32_t)(p)[3])
|
||
|
||
#define GETU64(p) \
|
||
((uint64_t)(p)[0] << 56 | \
|
||
(uint64_t)(p)[1] << 48 | \
|
||
(uint64_t)(p)[2] << 40 | \
|
||
(uint64_t)(p)[3] << 32 | \
|
||
(uint64_t)(p)[4] << 24 | \
|
||
(uint64_t)(p)[5] << 16 | \
|
||
(uint64_t)(p)[6] << 8 | \
|
||
(uint64_t)(p)[7])
|
||
|
||
|
||
// 注意：PUTU32(buf, val++) 会出错！
|
||
#define PUTU16(p,V) \
|
||
((p)[0] = (uint8_t)((V) >> 8), \
|
||
(p)[1] = (uint8_t)(V))
|
||
|
||
#define PUTU32(p,V) \
|
||
((p)[0] = (uint8_t)((V) >> 24), \
|
||
(p)[1] = (uint8_t)((V) >> 16), \
|
||
(p)[2] = (uint8_t)((V) >> 8), \
|
||
(p)[3] = (uint8_t)(V))
|
||
|
||
#define PUTU64(p,V) \
|
||
((p)[0] = (uint8_t)((V) >> 56), \
|
||
(p)[1] = (uint8_t)((V) >> 48), \
|
||
(p)[2] = (uint8_t)((V) >> 40), \
|
||
(p)[3] = (uint8_t)((V) >> 32), \
|
||
(p)[4] = (uint8_t)((V) >> 24), \
|
||
(p)[5] = (uint8_t)((V) >> 16), \
|
||
(p)[6] = (uint8_t)((V) >> 8), \
|
||
(p)[7] = (uint8_t)(V))
|
||
|
||
/* Little Endian R/W */
|
||
|
||
#define GETU16_LE(p) (*(const uint16_t *)(p))
|
||
#define GETU32_LE(p) (*(const uint32_t *)(p))
|
||
#define GETU64_LE(p) (*(const uint64_t *)(p))
|
||
|
||
#define PUTU16_LE(p,V) *(uint16_t *)(p) = (V)
|
||
#define PUTU32_LE(p,V) *(uint32_t *)(p) = (V)
|
||
#define PUTU64_LE(p,V) *(uint64_t *)(p) = (V)
|
||
|
||
/* Rotate */
|
||
|
||
#define ROL32(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
|
||
#define ROL64(a,n) (((a)<<(n))|((a)>>(64-(n))))
|
||
|
||
#define ROR32(a,n) ROL32((a),32-(n))
|
||
#define ROR64(a,n) ROL64(a,64-n)
|
||
|
||
|
||
#endif
|