-/* $OpenBSD: basename.c,v 1.11 2003/06/17 21:56:23 millert 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>
+ * Copyright (c) 1997, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+/* OPENBSD ORIGINAL: lib/libc/gen/basename.c */
+
#include "includes.h"
#ifndef HAVE_BASENAME
-#ifndef lint
-static char rcsid[] = "$OpenBSD: basename.c,v 1.11 2003/06/17 21:56:23 millert Exp $";
-#endif /* not lint */
-
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) */