[cfinck] 51069: [SHELL32] Thomas Faber - Fix memory leak in RenderHDROP. Modifications by me to have just a single return statement in the function. See issue #5998 for more details.

Author: cfinck
Date: Wed Mar 16 16:46:37 2011
New Revision: 51069

URL: http://svn.reactos.org/svn/reactos?rev=51069&view=rev
Log:
[SHELL32]
Thomas Faber
- Fix memory leak in RenderHDROP.
  Modifications by me to have just a single return statement in the function.

See issue #5998 for more details.

Modified:
    trunk/reactos/dll/win32/shell32/clipboard.c

Modified: trunk/reactos/dll/win32/shell32/clipboard.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/clipboard...
==============================================================================
--- trunk/reactos/dll/win32/shell32/clipboard.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/clipboard.c [iso-8859-1] Wed Mar 16 16:46:37 2011
@@ -49,15 +49,16 @@
    UINT i;
    int size = 0;
    WCHAR wszFileName[MAX_PATH];
-	HGLOBAL hGlobal;
+	HGLOBAL hGlobal = NULL;
    DROPFILES *pDropFiles;
    int offset;
    LPITEMIDLIST *pidls;

TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);

-	pidls = HeapAlloc(GetProcessHeap(), 0, cidl * sizeof *pidls);
-	if (!pidls) return NULL;
+	pidls = HeapAlloc(GetProcessHeap(), 0, cidl * sizeof(*pidls));
+	if (!pidls)
+		goto cleanup;

/* get the size needed */
    size = sizeof(DROPFILES);
@@ -73,7 +74,8 @@

/* Fill the structure */
    hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
-	if(!hGlobal) return hGlobal;
+	if(!hGlobal)
+		goto cleanup;

pDropFiles = (DROPFILES *)GlobalLock(hGlobal);
    offset = (sizeof(DROPFILES) + sizeof(WCHAR) - 1) / sizeof(WCHAR);
@@ -91,7 +93,9 @@
    ((WCHAR*)pDropFiles)[offset] = 0;
    GlobalUnlock(hGlobal);

-	HeapFree(GetProcessHeap(), 0, pidls);
+cleanup:
+	if(pidls)
+		HeapFree(GetProcessHeap(), 0, pidls);

return hGlobal;
 }