Momentum-Apps/flipbip/lib/crypto/blake2_common.h

#include "byte_order.h"

static inline uint32_t load32(const void* src) {
    uint32_t w;
    memcpy(&w, src, sizeof w);
#if BYTE_ORDER == BIG_ENDIAN
    REVERSE32(w, w);
#endif
    return w;
}

static inline uint64_t load64(const void* src) {
    uint64_t w;
    memcpy(&w, src, sizeof w);
#if BYTE_ORDER == BIG_ENDIAN
    REVERSE64(w, w);
#endif
    return w;
}

static inline void store16(void* dst, uint16_t w) {
    memcpy(dst, &w, sizeof w);
}

static inline void store32(void* dst, uint32_t w) {
#if BYTE_ORDER == BIG_ENDIAN
    REVERSE32(w, w);
#endif
    memcpy(dst, &w, sizeof w);
}

static inline void store64(void* dst, uint64_t w) {
#if BYTE_ORDER == BIG_ENDIAN
    REVERSE64(w, w);
#endif
    memcpy(dst, &w, sizeof 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));
}