From e5cb55fedd811f71cd91ef097a8a4a4964d8c564 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Thu, 30 Jun 2011 13:27:08 -0400
Subject: [PATCH] fix logic in __fwriting

---
 src/stdio/ext.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/stdio/ext.c b/src/stdio/ext.c
index d5a403b6..6b8ce91c 100644
--- a/src/stdio/ext.c
+++ b/src/stdio/ext.c
@@ -14,7 +14,7 @@ int __fsetlocking(FILE *f, int type)
 
 int __fwriting(FILE *f)
 {
-	return f->wend > f->wpos;
+	return f->wend && f->wpos > f->wbase;
 }
 
 int __freading(FILE *f)
-- 
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