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/* 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 * 5)
/* sizeof(__m128i) * (4 folds & 1 partial fold) */
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
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