From 49dc7f4b4736a708e8de645ebff64ba5084d33d1 Mon Sep 17 00:00:00 2001
From: Pierre Muller <muller@sourceware.org>
Date: Fri, 14 Dec 2012 07:50:02 +0000
Subject: 	* windows-nat.c (windows_xfer_shared_libraries): Avoid 	memory
 leak when OFFSET >= LEN_AVAIL.

---
 gdb/windows-nat.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'gdb/windows-nat.c')

diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
index 75831d8..cc81a66 100644
--- a/gdb/windows-nat.c
+++ b/gdb/windows-nat.c
@@ -2411,11 +2411,13 @@ windows_xfer_shared_libraries (struct target_ops *ops,
   buf = obstack_finish (&obstack);
   len_avail = strlen (buf);
   if (offset >= len_avail)
-    return 0;
-
-  if (len > len_avail - offset)
-    len = len_avail - offset;
-  memcpy (readbuf, buf + offset, len);
+    len= 0;
+  else
+    {
+      if (len > len_avail - offset)
+	len = len_avail - offset;
+      memcpy (readbuf, buf + offset, len);
+    }
 
   obstack_free (&obstack, NULL);
   return len;
-- 
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