svn commit: r184059 - head/lib/libc/string

[Xin LI]

Author: delphij
Date: Sun Oct 19 10:11:35 2008
New Revision: 184059
URL: http://svn.freebsd.org/changeset/base/184059

Log:
   - License change to a less restrictive one;
   - ANSIfy;
   - Convert do {} while loop -> while {} for clarity;
   - Sync RCS ID with OpenBSD;
  
  Obtained from:	OpenBSD

Modified:
  head/lib/libc/string/strlcpy.c

Modified: head/lib/libc/string/strlcpy.c
==============================================================================
--- head/lib/libc/string/strlcpy.c	Sun Oct 19 10:02:26 2008	(r184058)
+++ head/lib/libc/string/strlcpy.c	Sun Oct 19 10:11:35 2008	(r184059)
@@ -1,35 +1,21 @@
-/*	$OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $	*/
+/*	$OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $	*/
 
 /*
  * Copyright (c) 1998 Todd C. Miller <Todd.Miller at courtesan.com>
- * 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. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- * THIS SOFTWARE IS PROVIDED ``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.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $";
-#endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
@@ -42,21 +28,18 @@ __FBSDID("$FreeBSD$");
  * Returns strlen(src); if retval >= siz, truncation occurred.
  */
 size_t
-strlcpy(dst, src, siz)
-	char *dst;
-	const char *src;
-	size_t siz;
+strlcpy(char *dst, const char *src, size_t siz)
 {
 	char *d = dst;
 	const char *s = src;
 	size_t n = siz;
 
 	/* Copy as many bytes as will fit */
-	if (n != 0 && --n != 0) {
-		do {
-			if ((*d++ = *s++) == 0)
+	if (n != 0) {
+		while (--n != 0) {
+			if ((*d++ = *s++) == '\0')
 				break;
-		} while (--n != 0);
+		}
 	}
 
 	/* Not enough room in dst, add NUL and traverse rest of src */