ole2disp: Implement SafeArrayLock()/SafeArrayUnlock().

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/ole2disp.dll16/ole2disp.c

@@ -107,6 +107,40 @@ USHORT WINAPI SafeArrayGetElemsize16(SAFEARRAY16 *sa)
     return sa->cbElements;
 }
 
+/******************************************************************************
+ *    SafeArrayLock [OLE2DISP.21]
+ */
+HRESULT WINAPI SafeArrayLock16(SAFEARRAY16 *sa)
+{
+    TRACE("(%p)\n", sa);
+
+    if (!sa)
+        return E_INVALIDARG16;
+
+    if (sa->cLocks == 0xffff)
+        return E_UNEXPECTED;
+
+    sa->cLocks++;
+    return S_OK;
+}
+
+/******************************************************************************
+ *    SafeArrayUnlock [OLE2DISP.22]
+ */
+HRESULT WINAPI SafeArrayUnlock16(SAFEARRAY16 *sa)
+{
+    TRACE("(%p)\n", sa);
+
+    if (!sa)
+        return E_INVALIDARG16;
+
+    if (sa->cLocks == 0)
+        return E_UNEXPECTED;
+
+    sa->cLocks--;
+    return S_OK;
+}
+
 /******************************************************************************
  *    SafeArrayAllocDescriptor [OLE2DISP.38]
  */

dlls/ole2disp.dll16/ole2disp.dll16.spec

@@ -18,8 +18,8 @@
 18 pascal -ret16 SafeArrayGetElemsize(ptr) SafeArrayGetElemsize16
 19 stub SAFEARRAYGETUBOUND
 20 stub SAFEARRAYGETLBOUND
-21 stub SAFEARRAYLOCK
-22 stub SAFEARRAYUNLOCK
+21 pascal SafeArrayLock(ptr) SafeArrayLock16
+22 pascal SafeArrayUnlock(ptr) SafeArrayUnlock16
 23 stub SAFEARRAYACCESSDATA
 24 stub SAFEARRAYUNACCESSDATA
 25 stub SAFEARRAYGETELEMENT