From 6e6d9fa6f95e382bb2d5725dda18b9e811418e79 Mon Sep 17 00:00:00 2001
From: Michael Holzheu <holzheu@de.ibm.com>
Date: Sat, 28 Oct 2006 10:38:47 -0700
Subject: [PATCH] [PATCH] strstrip remove last blank fix

strstrip() does not remove the last blank from strings which only consist
of blanks.

Example:
char string[] = "  ";
strstrip(string);

results in " ", but should produce an empty string!

The following patch solves this problem:

Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by Joern Engel <joern@wh.fh-wedel.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 lib/string.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/string.c b/lib/string.c
index 63077267367e..a485d75962af 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -320,7 +320,7 @@ char *strstrip(char *s)
 		return s;
 
 	end = s + size - 1;
-	while (end != s && isspace(*end))
+	while (end >= s && isspace(*end))
 		end--;
 	*(end + 1) = '\0';