Piotr Caban : jscript: Fixed a leak in regexp_match function.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c45c7bf94cb41f30149f2e81d72bbe3f4e6096c0
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=c45c7bf94cb41f30149f2e81d72bbe3f4e6096c0

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Fri Jan 25 16:48:07 2013 +0100

jscript: Fixed a leak in regexp_match function.

---

 dlls/jscript/regexp.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/dlls/jscript/regexp.c b/dlls/jscript/regexp.c
index a06550d..65ddc24 100644
--- a/dlls/jscript/regexp.c
+++ b/dlls/jscript/regexp.c
@@ -3464,10 +3464,15 @@ static HRESULT regexp_match(script_ctx_t *ctx, jsdisp_t *dispex, jsstr_t *str, B
             break;
 
         if(ret_size == i) {
-            if(ret)
-                ret = heap_realloc(ret, (ret_size <<= 1) * sizeof(match_result_t));
-            else
+            if(ret) {
+                match_result_t *old_ret = ret;
+
+                ret = heap_realloc(old_ret, (ret_size <<= 1) * sizeof(match_result_t));
+                if(!ret)
+                    heap_free(old_ret);
+            }else {
                 ret = heap_alloc((ret_size=4) * sizeof(match_result_t));
+            }
             if(!ret) {
                 hres = E_OUTOFMEMORY;
                 break;