diff options
author | Michael Shalayeff <mickey@cvs.openbsd.org> | 1999-04-27 17:53:33 +0000 |
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committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 1999-04-27 17:53:33 +0000 |
commit | e5e0a47f73a3905fa16d67fd2b571cb65b10c4f5 (patch) | |
tree | 19fc34cff857000a048ea6cc9e2fbb67f4daf95d /lib/libc/arch/hppa | |
parent | ca6f16fd91aede430cdfe2a2bb5287639040e129 (diff) |
use assembler here
Diffstat (limited to 'lib/libc/arch/hppa')
-rw-r--r-- | lib/libc/arch/hppa/string/Makefile.inc | 6 | ||||
-rw-r--r-- | lib/libc/arch/hppa/string/strlcpy.S | 65 |
2 files changed, 68 insertions, 3 deletions
diff --git a/lib/libc/arch/hppa/string/Makefile.inc b/lib/libc/arch/hppa/string/Makefile.inc index 6d0503624da..bca7da49295 100644 --- a/lib/libc/arch/hppa/string/Makefile.inc +++ b/lib/libc/arch/hppa/string/Makefile.inc @@ -1,7 +1,7 @@ -# $OpenBSD: Makefile.inc,v 1.2 1999/04/25 00:23:57 millert Exp $ +# $OpenBSD: Makefile.inc,v 1.3 1999/04/27 17:53:32 mickey Exp $ SRCS+= memchr.c memcmp.c memset.c index.c rindex.c \ - strcat.c strcmp.c strcpy.c strcspn.c strlcpy.c strlen.c \ + strcat.c strcmp.c strcpy.c strcspn.c strlen.c \ strncat.c strncmp.c strncpy.c strpbrk.c strsep.c \ strspn.c strstr.c swab.c -SRCS+= bcmp.S bcopy.S bzero.S ffs.S memmove.S +SRCS+= bcmp.S bcopy.S bzero.S ffs.S memmove.S strlcpy.S diff --git a/lib/libc/arch/hppa/string/strlcpy.S b/lib/libc/arch/hppa/string/strlcpy.S new file mode 100644 index 00000000000..3faaaacdaa3 --- /dev/null +++ b/lib/libc/arch/hppa/string/strlcpy.S @@ -0,0 +1,65 @@ +/* $OpenBSD: strlcpy.S,v 1.1 1999/04/27 17:53:32 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 "DEFS.h" + +#if defined(LIBC_SCCS) + .text + .asciz "$OpenBSD: strlcpy.S,v 1.1 1999/04/27 17:53:32 mickey Exp $" +#endif + +/* size_t strlcpy(char *dst, const char *src, size_t siz) + * + * it will never be a string of 2^32, so we assume 2^31 as a max size + */ +ENTRY(strlcpy) + + addi arg1, 1, ret0 + subi arg2, 1, t2 + +$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) |