Home | History | Annotate | Line # | Download | only in i386
scanc.S revision 1.4 
      1 /*
      2  * Copyright (c) 1994 Charles Hannum.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  * 3. All advertising materials mentioning features or use of this software
     13  *    must display the following acknowledgement:
     14  *	This product includes software developed by Charles Hannum.
     15  * 4. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  *
     29  *	$Id: scanc.S,v 1.4 1994/03/23 08:49:46 mycroft Exp $
     30  */
     31 
     32 #include "DEFS.h"
     33 
     34 ENTRY(scanc)
     35 	movl	4(%esp),%ecx
     36 	testl	%ecx,%ecx
     37 	jz	3f
     38 	pushl	%esi
     39 	pushl	%edi
     40 	movl	16(%esp),%esi
     41 	movl	20(%esp),%edi
     42 	movb	24(%esp),%dl
     43 	xorl	%eax,%eax
     44 	cld
     45 1:
     46 	lodsb
     47 	testb	%dl,(%eax,%edi)
     48 	jnz	2f
     49 	decl	%ecx
     50 	jnz	1b
     51 2:
     52 	popl	%edi
     53 	popl	%esi
     54 3:
     55 	movl	%ecx,%eax
     56 	ret
     57