mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
#ifndef PORTABLE_BLAKE2_IMPL_H
|
|
#define PORTABLE_BLAKE2_IMPL_H
|
|
#include "libc/str/str.h"
|
|
|
|
static inline uint64_t load64(const void *src) {
|
|
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
uint64_t w;
|
|
memcpy(&w, src, sizeof w);
|
|
return w;
|
|
#else
|
|
const uint8_t *p = (const uint8_t *)src;
|
|
uint64_t w = *p++;
|
|
w |= (uint64_t)(*p++) << 8;
|
|
w |= (uint64_t)(*p++) << 16;
|
|
w |= (uint64_t)(*p++) << 24;
|
|
w |= (uint64_t)(*p++) << 32;
|
|
w |= (uint64_t)(*p++) << 40;
|
|
w |= (uint64_t)(*p++) << 48;
|
|
w |= (uint64_t)(*p++) << 56;
|
|
return w;
|
|
#endif
|
|
}
|
|
|
|
static inline void store32(void *dst, uint32_t w) {
|
|
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
memcpy(dst, &w, sizeof w);
|
|
#else
|
|
uint8_t *p = (uint8_t *)dst;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
#endif
|
|
}
|
|
|
|
static inline void store64(void *dst, uint64_t w) {
|
|
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
memcpy(dst, &w, sizeof w);
|
|
#else
|
|
uint8_t *p = (uint8_t *)dst;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
#endif
|
|
}
|
|
|
|
static inline uint64_t load48(const void *src) {
|
|
const uint8_t *p = (const uint8_t *)src;
|
|
uint64_t w = *p++;
|
|
w |= (uint64_t)(*p++) << 8;
|
|
w |= (uint64_t)(*p++) << 16;
|
|
w |= (uint64_t)(*p++) << 24;
|
|
w |= (uint64_t)(*p++) << 32;
|
|
w |= (uint64_t)(*p++) << 40;
|
|
return w;
|
|
}
|
|
|
|
static inline void store48(void *dst, uint64_t w) {
|
|
uint8_t *p = (uint8_t *)dst;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
w >>= 8;
|
|
*p++ = (uint8_t)w;
|
|
}
|
|
|
|
static inline uint32_t rotr32(const uint32_t w, const unsigned c) {
|
|
return (w >> c) | (w << (32 - c));
|
|
}
|
|
|
|
static inline uint64_t rotr64(const uint64_t w, const unsigned c) {
|
|
return (w >> c) | (w << (64 - c));
|
|
}
|
|
|
|
#endif
|