68b2e7f763
Some checks failed
sm-rpc / build (Debug, arm-linux-gnueabihf) (push) Successful in 1m34s
sm-rpc / build (Debug, aarch64-linux-gnu) (push) Successful in 2m46s
sm-rpc / build (Debug, host.gcc) (push) Failing after 1m28s
sm-rpc / build (Release, aarch64-linux-gnu) (push) Successful in 2m14s
sm-rpc / build (Release, arm-linux-gnueabihf) (push) Successful in 2m8s
sm-rpc / build (Debug, mipsel-linux-gnu) (push) Successful in 5m35s
sm-rpc / build (Release, host.gcc) (push) Failing after 1m55s
sm-rpc / build (Release, mipsel-linux-gnu) (push) Successful in 7m21s
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/* crc32_fold.c -- crc32 folding interface
|
|
* Copyright (C) 2021 Nathan Moinvaziri
|
|
* For conditions of distribution and use, see copyright notice in zlib.h
|
|
*/
|
|
#include "zbuild.h"
|
|
#include "zutil.h"
|
|
#include "functable.h"
|
|
#include "crc32.h"
|
|
|
|
Z_INTERNAL uint32_t crc32_fold_reset_c(crc32_fold *crc) {
|
|
crc->value = CRC32_INITIAL_VALUE;
|
|
return crc->value;
|
|
}
|
|
|
|
Z_INTERNAL void crc32_fold_copy_c(crc32_fold *crc, uint8_t *dst, const uint8_t *src, size_t len) {
|
|
crc->value = FUNCTABLE_CALL(crc32)(crc->value, src, len);
|
|
memcpy(dst, src, len);
|
|
}
|
|
|
|
Z_INTERNAL void crc32_fold_c(crc32_fold *crc, const uint8_t *src, size_t len, uint32_t init_crc) {
|
|
/* Note: while this is basically the same thing as the vanilla CRC function, we still need
|
|
* a functable entry for it so that we can generically dispatch to this function with the
|
|
* same arguments for the versions that _do_ do a folding CRC but we don't want a copy. The
|
|
* init_crc is an unused argument in this context */
|
|
Z_UNUSED(init_crc);
|
|
crc->value = FUNCTABLE_CALL(crc32)(crc->value, src, len);
|
|
}
|
|
|
|
Z_INTERNAL uint32_t crc32_fold_final_c(crc32_fold *crc) {
|
|
return crc->value;
|
|
}
|