a1b77fd589
git grep -l 'u\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/u\(8\|16\|32\|64\)_t/uint\1_t/g" git grep -l 's\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/s\(8\|16\|32\|64\)_t/int\1_t/g" Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
26 lines
472 B
C
26 lines
472 B
C
/*
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* Copyright (c) 2018 Workaround GmbH.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <sys/crc.h>
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uint32_t crc32_ieee(const uint8_t *data, size_t len)
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{
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return crc32_ieee_update(0x0, data, len);
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}
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uint32_t crc32_ieee_update(uint32_t crc, const uint8_t *data, size_t len)
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{
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crc = ~crc;
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for (size_t i = 0; i < len; i++) {
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crc = crc ^ data[i];
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for (uint8_t j = 0; j < 8; j++) {
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crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1));
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}
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}
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return (~crc);
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}
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