[unix-history] / usr / src / lib / libc / vax / string / strlen.s

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
	.asciz "@(#)strlen.s	5.6 (Berkeley) %G%"
#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
Commit	Line	Data
586c39b1 DF	1	/*
586c39b1 DF	2	* Copyright (c) 1983 Regents of the University of California.
493b70ca KB	3	* All rights reserved.
493b70ca KB	4	*
019bea33	5	* %sccs.include.redist.c%
586c39b1 DF	6	*/
586c39b1 DF	7
f4f66d2c	8	#if defined(LIBC_SCCS) && !defined(lint)
019bea33	9	.asciz "@(#)strlen.s 5.6 (Berkeley) %G%"
f4f66d2c	10	#endif /* LIBC_SCCS and not lint */
505d9394 SL	11
	12	/*
	13	* Return the length of cp (not counting '\0').
	14	*
	15	* strlen(cp)
	16	* char *cp;
	17	*/
dadab5a2	18	#include "DEFS.h"
505d9394	19
dadab5a2	20	ENTRY(strlen, 0)
66d466fb KM	21	movl 4(ap),r1
	22	1:
	23	locc $0,$65535,(r1) # look for '\0'
	24	beql 1b
	25	subl3 4(ap),r1,r0 # len = cp - base
505d9394	26	ret