diff options
Diffstat (limited to 'sys/lib/libkern/arch/hppa/strlcpy.S')
-rw-r--r-- | sys/lib/libkern/arch/hppa/strlcpy.S | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/sys/lib/libkern/arch/hppa/strlcpy.S b/sys/lib/libkern/arch/hppa/strlcpy.S new file mode 100644 index 00000000000..8783a3f72d9 --- /dev/null +++ b/sys/lib/libkern/arch/hppa/strlcpy.S @@ -0,0 +1,66 @@ +/* $OpenBSD: strlcpy.S,v 1.1 2000/12/29 19:04:41 mickey Exp $ */ + +/* + * Copyright (c) 1999 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 <machine/asm.h> + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD: strlcpy.S,v 1.1 2000/12/29 19:04:41 mickey Exp $" + .align 4 +#endif + +/* size_t strlcpy(char *dst, const char *src, size_t siz) + * + * it will never be a string of 2^32, so we assume 2^31 as a max size + */ +ENTRY(strlcpy) + + addi arg1, 1, ret0 + subi arg2, 1, t2 + +$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) |