Return to strlen.s CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / lib / libc / gen / gen.vax

BSD 4.3tahoe

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
	.asciz "@(#)strlen.s	5.5 (Berkeley) 6/27/88"
#endif /* LIBC_SCCS and not lint */

/*
 * Return the length of cp (not counting '\0').
 *
 * strlen(cp)
 *	char *cp;
 */
#include "DEFS.h"

ENTRY(strlen, 0)
	movl	4(ap),r1
1:
	locc	$0,$65535,(r1)	# look for '\0'
	beql	1b
	subl3	4(ap),r1,r0	# len = cp - base
	ret

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.