[janderwald] 33622: - check input parameters in LoadString[A|W] - fixes a winetest issue - patch by Kamil Hornicek (Pigglesworth)

Author: janderwald
Date: Wed May 21 10:33:38 2008
New Revision: 33622

URL: http://svn.reactos.org/svn/reactos?rev=33622&view=rev
Log:
- check input parameters in LoadString[A|W]
- fixes a winetest issue
- patch by Kamil Hornicek (Pigglesworth)

Modified:
    trunk/reactos/dll/win32/user32/misc/resources.c

Modified: trunk/reactos/dll/win32/user32/misc/resources.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/user32/misc/resou...
==============================================================================
--- trunk/reactos/dll/win32/user32/misc/resources.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/user32/misc/resources.c [iso-8859-1] Wed May 21 10:33:38 2008
@@ -116,11 +116,13 @@
   INT retSize;

/* parameter validation */
-  if
-  (
-    (nBufferMax < 1) ||
-    (IsBadWritePtr(lpBuffer, nBufferMax * sizeof(lpBuffer[0])))
-  )
+
+  if(nBufferMax < 1)
+  {
+    return -1;
+  }
+
+  if(IsBadWritePtr(lpBuffer, nBufferMax * sizeof(lpBuffer[0])))
   {
     SetLastError(ERROR_INVALID_PARAMETER);
     return 0;
@@ -196,7 +198,8 @@
   /* parameter validation */
   if
   (
-    (nBufferMax < 1) ||
+    (nBufferMax < 0) ||
+    (lpBuffer == NULL) ||
     ((nBufferMax > 0)  && IsBadWritePtr(lpBuffer, nBufferMax * sizeof(lpBuffer[0]))) ||
     /* undocumented: If nBufferMax is 0, LoadStringW will copy a pointer to the
        in-memory image of the string to the specified buffer and return the length