2001-03-06 03:17:54 -05:00
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/* public domain rewrite of memcmp(3) */
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1999-08-13 01:45:20 -04:00
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2010-07-28 04:12:01 -04:00
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#include "ruby/missing.h"
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2005-10-26 22:55:18 -04:00
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#include <stddef.h>
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1999-08-13 01:45:20 -04:00
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int
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2005-10-26 22:55:18 -04:00
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memcmp(const void *s1, const void *s2, size_t len)
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1999-08-13 01:45:20 -04:00
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{
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register unsigned char *a = (unsigned char*)s1;
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register unsigned char *b = (unsigned char*)s2;
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register int tmp;
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2005-10-26 22:55:18 -04:00
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for (; len; --len) {
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2019-08-19 01:43:15 -04:00
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tmp = *a++ - *b++;
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if (tmp)
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1999-08-13 01:45:20 -04:00
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return tmp;
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}
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return 0;
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}
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