1 files changed, 73 insertions, 0 deletions

diff --git a/openbsd-compat/basename.c b/openbsd-compat/basename.c
new file mode 100644
index 000000000..5a3823bc5
--- /dev/null
+++ b/openbsd-compat/basename.c
@@ -0,0 +1,73 @@
+/*      $OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $    */
+
+/*
+ * Copyright (c) 1997 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.
+ *
+ * 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.
+ */
+#include "includes.h"
+
+#if !defined(HAVE_BASENAME)
+
+#ifndef lint
+static char rcsid[] = "$OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $";
+#endif /* not lint */
+
+char *
+basename(const char *path)
+{
+        static char bname[MAXPATHLEN];
+        register const char *endp, *startp;
+
+        /* Empty or NULL string gets treated as "." */
+        if (path == NULL || *path == '\0') {
+                (void)strlcpy(bname, ".", sizeof bname);
+                return(bname);
+        }
+
+        /* Strip trailing slashes */
+        endp = path + strlen(path) - 1;
+        while (endp > path && *endp == '/')
+                endp--;
+
+        /* All slashes become "/" */
+        if (endp == path && *endp == '/') {
+                (void)strlcpy(bname, "/", sizeof bname);
+                return(bname);
+        }
+
+        /* Find the start of the base */
+        startp = endp;
+        while (startp > path && *(startp - 1) != '/')
+                startp--;
+
+        if (endp - startp + 2 > sizeof(bname)) {
+                errno = ENAMETOOLONG;
+                return(NULL);
+        }
+        strlcpy(bname, startp, endp - startp + 2);
+        return(bname);
+}
+
+#endif /* !defined(HAVE_BASENAME) */