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authorMichael Shalayeff <mickey@cvs.openbsd.org>1999-04-27 17:53:33 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1999-04-27 17:53:33 +0000
commite5e0a47f73a3905fa16d67fd2b571cb65b10c4f5 (patch)
tree19fc34cff857000a048ea6cc9e2fbb67f4daf95d /lib/libc/arch/hppa
parentca6f16fd91aede430cdfe2a2bb5287639040e129 (diff)
use assembler here
Diffstat (limited to 'lib/libc/arch/hppa')
-rw-r--r--lib/libc/arch/hppa/string/Makefile.inc6
-rw-r--r--lib/libc/arch/hppa/string/strlcpy.S65
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)