crc32c.c File Reference

#include "crc32c.h"
#include <stdint.h>
#include <stdbool.h>
#include <sal.h>

Include dependency graph for crc32c.c:

Go to the source code of this file.

Functions
uint32_t __stdcall	calc_crc32c_sw (_In_ uint32_t seed, _In_reads_bytes_(msglen) uint8_t *msg, _In_ uint32_t msglen)

Variables
crc_func	calc_crc32c = calc_crc32c_sw
const uint32_t	crctable []

Function Documentation

calc_crc32c_sw()

uint32_t __stdcall calc_crc32c_sw	(	_In_ uint32_t	seed,
		_In_reads_bytes_(msglen) uint8_t *	msg,
		_In_ uint32_t	msglen
	)

Definition at line 62 of file crc32c.c.

                                                                                                                   {
    uint32_t rem = seed;
 
    for (uint32_t i = 0; i < msglen; i++) {
        rem = crctable[(rem ^ msg[i]) & 0xff] ^ (rem >> 8);
    }
 
    return rem;
}

Variable Documentation

calc_crc32c

crc_func calc_crc32c = calc_crc32c_sw

Definition at line 23 of file crc32c.c.

Referenced by __attribute__(), add_dir_child(), allocate_cache_chunk(), calc_superblock_checksum(), calc_thread_main(), calc_tree_checksum(), check_csum(), create_directory_fcb(), create_stream(), create_subvol(), file_create2(), find_file_in_dir(), flush_fcb(), flush_fileref(), get_extent_data_ref_hash2(), get_orphan_name(), get_sector_csum(), get_tree_checksum(), load_dir_children(), load_stored_free_space_cache(), look_for_collision(), mknod(), mount_vol(), move_across_subvols(), open_fcb(), open_fcb_stream(), query_directory(), rename_file_to_stream(), rename_stream(), send_command_finish(), set_rename_information(), update_chunk_cache(), and write_metadata_items().

crctable

const uint32_t crctable[]

Definition at line 25 of file crc32c.c.

Referenced by calc_crc32c_sw().