-/* $OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $ */
+/* $OpenBSD: basename.c,v 1.14 2005/08/08 08:05:33 espie Exp $ */
/*
- * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
+ * Copyright (c) 1997, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
*
- * 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.
*/
-#include "includes.h"
-#if !defined(HAVE_BASENAME)
+/* OPENBSD ORIGINAL: lib/libc/gen/basename.c */
-#ifndef lint
-static char rcsid[] = "$OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $";
-#endif /* not lint */
+#include "includes.h"
+#ifndef HAVE_BASENAME
char *
basename(const char *path)
{
static char bname[MAXPATHLEN];
- register const char *endp, *startp;
+ size_t len;
+ const char *endp, *startp;
/* Empty or NULL string gets treated as "." */
if (path == NULL || *path == '\0') {
- (void)strlcpy(bname, ".", sizeof bname);
- return(bname);
+ bname[0] = '.';
+ bname[1] = '\0';
+ return (bname);
}
- /* Strip trailing slashes */
+ /* Strip any trailing slashes */
endp = path + strlen(path) - 1;
while (endp > path && *endp == '/')
endp--;
- /* All slashes become "/" */
+ /* All slashes becomes "/" */
if (endp == path && *endp == '/') {
- (void)strlcpy(bname, "/", sizeof bname);
- return(bname);
+ bname[0] = '/';
+ bname[1] = '\0';
+ return (bname);
}
/* Find the start of the base */
while (startp > path && *(startp - 1) != '/')
startp--;
- if (endp - startp + 2 > sizeof(bname)) {
+ len = endp - startp + 1;
+ if (len >= sizeof(bname)) {
errno = ENAMETOOLONG;
- return(NULL);
+ return (NULL);
}
- strlcpy(bname, startp, endp - startp + 2);
- return(bname);
+ memcpy(bname, startp, len);
+ bname[len] = '\0';
+ return (bname);
}
#endif /* !defined(HAVE_BASENAME) */