From ac20ce1924a0eb563acfda6533a80701cd611bfa Mon Sep 17 00:00:00 2001
From: Matt Kraai <kraai@debian.org>
Date: Fri, 24 Aug 2001 19:51:54 +0000
Subject: Canonicalize dirname(3) behavior.

---
 libbb/dirname.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'libbb/dirname.c')

diff --git a/libbb/dirname.c b/libbb/dirname.c
index 5f839945d..87db1f24f 100644
--- a/libbb/dirname.c
+++ b/libbb/dirname.c
@@ -22,7 +22,8 @@
 #include <string.h>
 #include "libbb.h"
 
-/* Return a string on the heap containing the directory component of PATH.  */
+/* Return a string containing the path name of the parent
+ * directory of PATH.  */
 
 char *dirname(const char *path)
 {
@@ -43,7 +44,8 @@ char *dirname(const char *path)
 		s--;
 
 	if (s < path)
-		return xstrdup (".");
-	else
-		return xstrndup (path, s - path + 1);
+		return ".";
+
+	s[1] = '\0';
+	return path;
 }
-- 
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