| /* functable.h -- Struct containing function pointers to optimized functions |
| * Copyright (C) 2017 Hans Kristian Rosbach |
| * For conditions of distribution and use, see copyright notice in zlib.h |
| */ |
| |
| #ifndef FUNCTABLE_H_ |
| #define FUNCTABLE_H_ |
| |
| #include "deflate.h" |
| #include "crc32_fold.h" |
| #include "adler32_fold.h" |
| |
| struct functable_s { |
| uint32_t (* adler32) (uint32_t adler, const uint8_t *buf, uint64_t len); |
| uint32_t (* adler32_fold_copy) (uint32_t adler, uint8_t *dst, const uint8_t *src, uint64_t len); |
| uint32_t (* crc32) (uint32_t crc, const uint8_t *buf, uint64_t len); |
| uint32_t (* crc32_fold_reset) (crc32_fold *crc); |
| void (* crc32_fold_copy) (crc32_fold *crc, uint8_t *dst, const uint8_t *src, uint64_t len); |
| void (* crc32_fold) (crc32_fold *crc, const uint8_t *src, uint64_t len, uint32_t init_crc); |
| uint32_t (* crc32_fold_final) (crc32_fold *crc); |
| uint32_t (* compare256) (const uint8_t *src0, const uint8_t *src1); |
| uint32_t (* chunksize) (void); |
| uint8_t* (* chunkcopy) (uint8_t *out, uint8_t const *from, unsigned len); |
| uint8_t* (* chunkunroll) (uint8_t *out, unsigned *dist, unsigned *len); |
| uint8_t* (* chunkmemset) (uint8_t *out, unsigned dist, unsigned len); |
| uint8_t* (* chunkmemset_safe) (uint8_t *out, unsigned dist, unsigned len, unsigned left); |
| void (* insert_string) (deflate_state *const s, uint32_t str, uint32_t count); |
| uint32_t (* longest_match) (deflate_state *const s, Pos cur_match); |
| uint32_t (* longest_match_slow) (deflate_state *const s, Pos cur_match); |
| Pos (* quick_insert_string)(deflate_state *const s, uint32_t str); |
| void (* slide_hash) (deflate_state *s); |
| uint32_t (* update_hash) (deflate_state *const s, uint32_t h, uint32_t val); |
| }; |
| |
| Z_INTERNAL extern Z_TLS struct functable_s functable; |
| |
| #endif |
