[unix-history] / usr / src / lib / libc / tahoe / string / strcmp.s

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * This code is derived from software contributed to Berkeley by
 * Computer Consoles Inc.
 */

#if defined(LIBC_SCCS) && !defined(lint)
	.asciz "@(#)strcmp.s	1.4 (Berkeley) 6/1/90"
#endif /* LIBC_SCCS and not lint */

#include "DEFS.h"

/*
 * Compare strings:  s1>s2: >0  s1==s2: 0  s1<s2: <0
 * 
 * strcmp(s1, s2)
 * register char *s1, *s2;
*/

ENTRY(strcmp, 0)
	movl	4(fp),r0
	movl	8(fp),r1
	cmps2
	jgtr	greater
	jlss	less
equal:	clrl	r0
	ret
less:	movl	$-1,r0
	ret
greater: movl	$1,r0
	ret
Commit	Line	Data
f15e832d KB	1	/*
	2	* Copyright (c) 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
4afb9d15	5	* Redistribution and use in source and binary forms are permitted
1c15e888 C	6	* provided that: (1) source distributions retain this entire copyright
	7	* notice and comment, and (2) distributions including binaries display
	8	* the following acknowledgement: ``This product includes software
	9	* developed by the University of California, Berkeley and its contributors''
	10	* in the documentation or other materials provided with the distribution
	11	* and in all advertising materials mentioning features or use of this
	12	* software. Neither the name of the University nor the names of its
	13	* contributors may be used to endorse or promote products derived
4afb9d15 KB	14	* from this software without specific prior written permission.
	15	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	16	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
1c15e888	17	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
4afb9d15	18	*
f15e832d KB	19	* This code is derived from software contributed to Berkeley by
f15e832d KB	20	* Computer Consoles Inc.
f15e832d KB	21	*/
	22
	23	#if defined(LIBC_SCCS) && !defined(lint)
1c15e888	24	.asciz "@(#)strcmp.s 1.4 (Berkeley) 6/1/90"
f15e832d	25	#endif /* LIBC_SCCS and not lint */
4aefe829 SL	26
	27	#include "DEFS.h"
	28
	29	/*
	30	* Compare strings: s1>s2: >0 s1==s2: 0 s1<s2: <0
	31	*
	32	* strcmp(s1, s2)
	33	* register char s1, s2;
	34	*/
	35
	36	ENTRY(strcmp, 0)
	37	movl 4(fp),r0
	38	movl 8(fp),r1
	39	cmps2
	40	jgtr greater
	41	jlss less
	42	equal: clrl r0
	43	ret
	44	less: movl $-1,r0
	45	ret
	46	greater: movl $1,r0
	47	ret