From 9d5bbc80904d3a589b871a40d8cc6d82bd2c271e Mon Sep 17 00:00:00 2001
From: Dwight <dmerriman@gmail.com>
Date: Wed, 13 May 2009 11:42:48 -0400
Subject: [PATCH] fix up free() old defensive code

---
 db/db.vcproj                      | 12 ++++++++++++
 scripting/engine_spidermonkey.cpp |  2 ++
 stdafx.h                          |  3 +++
 3 files changed, 17 insertions(+)

diff --git a/db/db.vcproj b/db/db.vcproj
index b78d0e03781..a5392ade05d 100644
--- a/db/db.vcproj
+++ b/db/db.vcproj
@@ -1773,6 +1773,18 @@
 				RelativePath="..\scripting\engine_spidermonkey.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\shell\mongo_vstudio.cpp"
+				>
+				<FileConfiguration
+					Name="Debug|Win32"
+					>
+					<Tool
+						Name="VCCLCompilerTool"
+						UsePrecompiledHeader="0"
+					/>
+				</FileConfiguration>
+			</File>
 		</Filter>
 	</Files>
 	<Globals>
diff --git a/scripting/engine_spidermonkey.cpp b/scripting/engine_spidermonkey.cpp
index a1eca14ef48..ae2dad81441 100644
--- a/scripting/engine_spidermonkey.cpp
+++ b/scripting/engine_spidermonkey.cpp
@@ -75,6 +75,8 @@ namespace mongo {
         string toString( JSString * so ){
             jschar * s = JS_GetStringChars( so );
             size_t srclen = JS_GetStringLength( so );
+            if( srclen == 0 )
+                return "";
             
             size_t len = srclen * 2;
             char * dst = (char*)malloc( len );
diff --git a/stdafx.h b/stdafx.h
index 8d412fcebde..4269eda3900 100644
--- a/stdafx.h
+++ b/stdafx.h
@@ -315,8 +315,11 @@ namespace mongo {
 #if defined(_WIN32)
 #define strcasecmp _stricmp
     inline void our_debug_free(void *p) {
+#if 0
+// this is not safe if you malloc < 4 bytes so we don't use anymore
         unsigned *u = (unsigned *) p;
         u[0] = 0xEEEEEEEE;
+#endif
         free(p);
     }
 #define free our_debug_free