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#ifndef AWS_CHECKSUMS_CRC_H
#define AWS_CHECKSUMS_CRC_H
/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/checksums/exports.h>
#include <aws/common/macros.h>
#include <stdint.h>
AWS_PUSH_SANE_WARNING_LEVEL
AWS_EXTERN_C_BEGIN
/**
* The entry point function to perform a CRC32 (Ethernet, gzip) computation.
* Selects a suitable implementation based on hardware capabilities.
* Pass 0 in the previousCrc32 parameter as an initial value unless continuing
* to update a running crc in a subsequent call.
*/
AWS_CHECKSUMS_API uint32_t aws_checksums_crc32(const uint8_t *input, int length, uint32_t previousCrc32);
/**
* The entry point function to perform a Castagnoli CRC32c (iSCSI) computation.
* Selects a suitable implementation based on hardware capabilities.
* Pass 0 in the previousCrc32 parameter as an initial value unless continuing
* to update a running crc in a subsequent call.
*/
AWS_CHECKSUMS_API uint32_t aws_checksums_crc32c(const uint8_t *input, int length, uint32_t previousCrc32);
AWS_EXTERN_C_END
AWS_POP_SANE_WARNING_LEVEL
#endif /* AWS_CHECKSUMS_CRC_H */
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