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/* $OpenBSD: strlcpy.S,v 1.3 2001/03/28 18:20:11 mickey Exp $ */
/*
* Copyright (c) 1999-2001 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "DEFS.h"
#if defined(LIBC_SCCS)
.text
.asciz "$OpenBSD: strlcpy.S,v 1.3 2001/03/28 18:20:11 mickey Exp $"
.align 4
#endif
/* size_t strlcpy(char *dst, const char *src, size_t siz)
*
* it will never be a string of 2^32, so we assume 2^31 as a max size
*/
ENTRY(strlcpy)
addi 1, arg1, ret0
subi 1, arg2, t2
$strlcpy_loop
ldbs,ma 1(arg1), t1
comb,= r0, t1, $strlcpy_exit
addib,>,n -1, t2, $strlcpy_loop
stbs,ma t1, 1(arg0)
$strlcpy_exit
comb,=,n r0, arg2, $strlcpy_nzero
stbs r0, -1(arg0)
$strlcpy_nzero
bv 0(rp)
sub arg1, ret0, ret0
EXIT(strlcpy)
.end
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