From 8413a813dfda79ca748ad367bec1ffebba9ce652 Mon Sep 17 00:00:00 2001
From: dbv <dbv@opencascade.com>
Date: Wed, 7 Mar 2012 14:34:51 +0400
Subject: [PATCH] 0022954: Variable not freed upon realloc failure

---
 src/OSD/OSD_Environment.cxx | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/OSD/OSD_Environment.cxx b/src/OSD/OSD_Environment.cxx
index 6b6ed0f6cc..251e00eed2 100755
--- a/src/OSD/OSD_Environment.cxx
+++ b/src/OSD/OSD_Environment.cxx
@@ -143,7 +143,17 @@ void OSD_Environment::Build ()
   else {
     // Allocation memoire. Surtout tout la heap!
     index = Ibuffer++;
-    buffer = (char **) realloc ( buffer, Ibuffer * sizeof(char*) );
+    char **aTmp;
+    aTmp = (char **) realloc ( buffer, Ibuffer * sizeof(char*) );
+    if (aTmp)
+    {
+      buffer = aTmp;
+    }
+    else
+    {
+      myError.SetValue(errno, Iam, "Memory realloc failure");
+      return;
+    }
   }
    
   // create a new entry in the buffer and add it to environment