Libc-763.11.tar.gz

[apple/libc.git] / string / FreeBSD / strlcpy.c

diff --git a/string/FreeBSD/strlcpy.c b/string/FreeBSD/strlcpy.c
index 938323601bff7286b30d84ea0448155f7eacd0cb..082ea3f5322aa425e781d1c6c273d36ccf7871ac 100644 (file)
--- a/string/FreeBSD/strlcpy.c
+++ b/string/FreeBSD/strlcpy.c
@@ -1,37 +1,23 @@
-/*     $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@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: src/lib/libc/string/strlcpy.c,v 1.8 2004/10/14 21:31:42 stefanf Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/string/strlcpy.c,v 1.11 2009/02/28 05:15:02 das Exp $");
 
 #include <sys/types.h>
 #include <string.h>
@@ -41,21 +27,19 @@ __FBSDID("$FreeBSD: src/lib/libc/string/strlcpy.c,v 1.8 2004/10/14 21:31:42 stef
  * will be copied.  Always NUL terminates (unless siz == 0).
  * Returns strlen(src); if retval >= siz, truncation occurred.
  */
-size_t strlcpy(dst, src, siz)
-       char *dst;
-       const char *src;
-       size_t siz;
+size_t
+strlcpy(char * __restrict dst, const char * __restrict 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 */