ExpandEnvironmentStrings returns the number of TCHARs, not bytes

svn path=/trunk/; revision=20471

diff --git a/reactos/subsys/system/services/config.c b/reactos/subsys/system/services/config.c
index 8e23f92..24c0138 100644 (file)
--- a/reactos/subsys/system/services/config.c
+++ b/reactos/subsys/system/services/config.c
@@ -269,7 +269,7 @@ ScmReadString(HKEY hServiceKey,
             dwError = GetLastError();\r
             goto done;\r
         }\r
-        expanded = HeapAlloc(GetProcessHeap(), 0, dwSizeNeeded);\r
+        expanded = HeapAlloc(GetProcessHeap(), 0, dwSizeNeeded * sizeof(WCHAR));\r
         if (dwSizeNeeded < ExpandEnvironmentStringsW((LPCWSTR)ptr, expanded, dwSizeNeeded))\r
         {\r
             dwError = GetLastError();\r