zlib-ng/arch/generic/generic_functions.h
Vladislav Shchapov ac25a2ea6a Split CPU features checks and CPU-specific function prototypes and reduce include-dependencies.
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
2024-02-22 20:11:46 +01:00

69 lines
2.9 KiB
C

/* generic_functions.h -- generic C implementations for arch-specific functions.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#ifndef GENERIC_FUNCTIONS_H_
#define GENERIC_FUNCTIONS_H_
#include "zendian.h"
Z_INTERNAL uint32_t crc32_fold_reset_c(crc32_fold *crc);
Z_INTERNAL void crc32_fold_copy_c(crc32_fold *crc, uint8_t *dst, const uint8_t *src, size_t len);
Z_INTERNAL void crc32_fold_c(crc32_fold *crc, const uint8_t *src, size_t len, uint32_t init_crc);
Z_INTERNAL uint32_t crc32_fold_final_c(crc32_fold *crc);
Z_INTERNAL uint32_t adler32_fold_copy_c(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len);
typedef uint32_t (*adler32_func)(uint32_t adler, const uint8_t *buf, size_t len);
typedef uint32_t (*compare256_func)(const uint8_t *src0, const uint8_t *src1);
typedef uint32_t (*crc32_func)(uint32_t crc32, const uint8_t *buf, size_t len);
uint32_t adler32_c(uint32_t adler, const uint8_t *buf, size_t len);
uint32_t chunksize_c(void);
uint8_t* chunkmemset_safe_c(uint8_t *out, unsigned dist, unsigned len, unsigned left);
void inflate_fast_c(PREFIX3(stream) *strm, uint32_t start);
uint32_t PREFIX(crc32_braid)(uint32_t crc, const uint8_t *buf, size_t len);
uint32_t compare256_c(const uint8_t *src0, const uint8_t *src1);
#if defined(UNALIGNED_OK) && BYTE_ORDER == LITTLE_ENDIAN
uint32_t compare256_unaligned_16(const uint8_t *src0, const uint8_t *src1);
# ifdef HAVE_BUILTIN_CTZ
uint32_t compare256_unaligned_32(const uint8_t *src0, const uint8_t *src1);
# endif
# if defined(UNALIGNED64_OK) && defined(HAVE_BUILTIN_CTZLL)
uint32_t compare256_unaligned_64(const uint8_t *src0, const uint8_t *src1);
# endif
#endif
typedef void (*slide_hash_func)(deflate_state *s);
void insert_string_c(deflate_state *const s, const uint32_t str, uint32_t count);
Pos quick_insert_string_c(deflate_state *const s, const uint32_t str);
void slide_hash_c(deflate_state *s);
uint32_t update_hash_c(deflate_state *const s, uint32_t h, uint32_t val);
uint32_t longest_match_c(deflate_state *const s, Pos cur_match);
# if defined(UNALIGNED_OK) && BYTE_ORDER == LITTLE_ENDIAN
uint32_t longest_match_unaligned_16(deflate_state *const s, Pos cur_match);
# ifdef HAVE_BUILTIN_CTZ
uint32_t longest_match_unaligned_32(deflate_state *const s, Pos cur_match);
# endif
# if defined(UNALIGNED64_OK) && defined(HAVE_BUILTIN_CTZLL)
uint32_t longest_match_unaligned_64(deflate_state *const s, Pos cur_match);
# endif
# endif
uint32_t longest_match_slow_c(deflate_state *const s, Pos cur_match);
# if defined(UNALIGNED_OK) && BYTE_ORDER == LITTLE_ENDIAN
uint32_t longest_match_slow_unaligned_16(deflate_state *const s, Pos cur_match);
uint32_t longest_match_slow_unaligned_32(deflate_state *const s, Pos cur_match);
# ifdef UNALIGNED64_OK
uint32_t longest_match_slow_unaligned_64(deflate_state *const s, Pos cur_match);
# endif
# endif
#endif