use assembler here

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)