Blame src/crc/mdso_crc32.c

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/****************************************************************/
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/*  mdso: midipix dso scavenger                                 */
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/*  Copyright (C) 2015--2016  Z. Gilboa                         */
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/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */
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/****************************************************************/
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#include <stdint.h>
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#include <unistd.h>
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#include <mdso/mdso.h>
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#include <mdso/mdso_crc32.h>
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static const uint32_t crc32_table[256] = MDSO_CRC32_TABLE;
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uint32_t mdso_crc32_mbstr(const unsigned char * str, size_t * symlen)
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{
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	const unsigned char *	ch;
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	uint32_t		crc32;
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	crc32	= 0 ^ 0xFFFFFFFF;
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	ch	= str;
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	while (*ch) {
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		crc32 = (crc32 >> 8) ^ crc32_table[(crc32 ^ *ch) & 0xFF];
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		ch++;
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	}
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	if (symlen)
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		*symlen = ch - str;
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	return (crc32 ^ 0xFFFFFFFF);
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}