1 /* functable.h -- Struct containing function pointers to optimized functions 2 * Copyright (C) 2017 Hans Kristian Rosbach 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6 #ifndef FUNCTABLE_H_ 7 #define FUNCTABLE_H_ 8 9 #include "deflate.h" 10 11 struct functable_s { 12 void (* insert_string) (deflate_state *const s, const uint32_t str, uint32_t count); 13 Pos (* quick_insert_string)(deflate_state *const s, const uint32_t str); 14 uint32_t (* adler32) (uint32_t adler, const unsigned char *buf, size_t len); 15 uint32_t (* crc32) (uint32_t crc, const unsigned char *buf, uint64_t len); 16 void (* slide_hash) (deflate_state *s); 17 uint32_t (* compare258) (const unsigned char *src0, const unsigned char *src1); 18 uint32_t (* longest_match) (deflate_state *const s, Pos cur_match); 19 uint32_t (* chunksize) (void); 20 uint8_t* (* chunkcopy) (uint8_t *out, uint8_t const *from, unsigned len); 21 uint8_t* (* chunkcopy_safe) (uint8_t *out, uint8_t const *from, unsigned len, uint8_t *safe); 22 uint8_t* (* chunkunroll) (uint8_t *out, unsigned *dist, unsigned *len); 23 uint8_t* (* chunkmemset) (uint8_t *out, unsigned dist, unsigned len); 24 uint8_t* (* chunkmemset_safe) (uint8_t *out, unsigned dist, unsigned len, unsigned left); 25 }; 26 27 Z_INTERNAL extern Z_TLS struct functable_s functable; 28 29 #endif 30