/* chunkset.c -- inline functions to copy small data chunks.

 * For conditions of distribution and use, see copyright notice in zlib.h

 */

#include "zbuild.h"

#include "zutil.h"

// We need sizeof(chunk_t) to be 8, no matter what.

#if defined(UNALIGNED64_OK)

typedef uint64_t chunk_t;

#elif defined(UNALIGNED_OK)

typedef struct chunk_t { uint32_t u32[2]; } chunk_t;

#else

typedef struct chunk_t { uint8_t u8[8]; } chunk_t;

#endif

#define CHUNK_SIZE 8

#define HAVE_CHUNKMEMSET_4

#define HAVE_CHUNKMEMSET_8

static inline void chunkmemset_4(uint8_t *from, chunk_t *chunk) {

    uint8_t *dest = (uint8_t *)chunk;

    memcpy(dest, from, sizeof(uint32_t));

    memcpy(dest+4, from, sizeof(uint32_t));

}

static inline void chunkmemset_8(uint8_t *from, chunk_t *chunk) {

    memcpy(chunk, from, sizeof(uint64_t));

}

static inline void loadchunk(uint8_t const *s, chunk_t *chunk) {

    memcpy(chunk, (uint8_t *)s, sizeof(uint64_t));

}

static inline void storechunk(uint8_t *out, chunk_t *chunk) {

    memcpy(out, chunk, sizeof(uint64_t));

}

#define CHUNKSIZE        chunksize_c

#define CHUNKCOPY        chunkcopy_c

#define CHUNKCOPY_SAFE   chunkcopy_safe_c

#define CHUNKUNROLL      chunkunroll_c

#define CHUNKMEMSET      chunkmemset_c

#define CHUNKMEMSET_SAFE chunkmemset_safe_c

#include "chunkset_tpl.h"