| /* crc32_fold.h -- crc32 folding interface |
| * Copyright (C) 2021 Nathan Moinvaziri |
| * For conditions of distribution and use, see copyright notice in zlib.h |
| */ |
| #ifndef CRC32_FOLD_H_ |
| #define CRC32_FOLD_H_ |
| |
| #define CRC32_FOLD_BUFFER_SIZE (16 * 4) |
| /* sizeof(__m128i) * (4 folds) */ |
| |
| typedef struct crc32_fold_s { |
| uint8_t fold[CRC32_FOLD_BUFFER_SIZE]; |
| uint32_t value; |
| } crc32_fold; |
| |
| 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); |
| |
| #endif |