Fix SysStringByteLen to really return the length in bytes.

5d83a657 · Huw D M Davies · Alexandre Julliard · 9b6082f0 · 5d83a657
Commit 5d83a657 authored Jul 08, 2000 by Huw D M Davies Committed by Alexandre Julliard Jul 08, 2000
Hide whitespace changes
Inline Side-by-side

Showing with 12 additions and 1 deletion

ole2disp.c dlls/oleaut32/ole2disp.c +12 -1

No files found.
--- a/dlls/oleaut32/ole2disp.c
+++ b/dlls/oleaut32/ole2disp.c
@@ -303,7 +303,18 @@ int WINAPI SysStringLen(BSTR str)
 */
 int WINAPI SysStringByteLen(BSTR str)
 {
-  return SysStringLen(str)*sizeof(WCHAR);
+    DWORD* bufferPointer;
+
+     if (!str) return 0;
+    /*
+     * The length of the string (in bytes) is contained in a DWORD placed 
+     * just before the BSTR pointer
+     */
+    bufferPointer = (DWORD*)str;
+
+    bufferPointer--;
+
+    return (int)(*bufferPointer);
 }

 /******************************************************************************