Rob Shearman : jscript: Make sure retv pointer is initialised in exec_source even if no value needs to be returned .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7db81aeb67ce1bba1ea8fcf9167ca0147e2cfe32
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7db81aeb67ce1bba1ea8fcf916...

Author: Rob Shearman 
Date:   Wed Dec 30 17:33:48 2009 +0000

jscript: Make sure retv pointer is initialised in exec_source even if no value needs to be returned.

---

dlls/jscript/engine.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index b9c40ae..653aca3 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -493,8 +493,12 @@ HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *so

if(retv && (exec_type == EXECT_EVAL || rt.type == RT_RETURN))
         *retv = val;
-    else
+    else {
+        if (retv) {
+            VariantInit(retv);
+        }
         VariantClear(&val);
+    }
     return S_OK;
 }