[gschneider] 40473: - Add parameter validity check to GetTextFaceA (same as in GetTextFaceW)

Author: gschneider
Date: Sun Apr 12 22:44:00 2009
New Revision: 40473

URL: http://svn.reactos.org/svn/reactos?rev=40473&view=rev
Log:
- Add parameter validity check to GetTextFaceA (same as in GetTextFaceW)

Modified:
    trunk/reactos/dll/win32/gdi32/objects/text.c

Modified: trunk/reactos/dll/win32/gdi32/objects/text.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/gdi32/objects/te…
==============================================================================
--- trunk/reactos/dll/win32/gdi32/objects/text.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/gdi32/objects/text.c [iso-8859-1] Sun Apr 12 22:44:00 2009
@@ -383,8 +383,19 @@
 WINAPI
 GetTextFaceA( HDC hdc, INT count, LPSTR name )
 {
-    INT res = GetTextFaceW(hdc, 0, NULL);
-    LPWSTR nameW = HeapAlloc( GetProcessHeap(), 0, res * 2 );
+    INT res;
+    LPWSTR nameW;
+
+    /* Validate parameters */
+    if (name && count <= 0)
+    {
+        /* Set last error and return failure */
+        GdiSetLastError(ERROR_INVALID_PARAMETER);
+        return 0;
+    }
+
+    res = GetTextFaceW(hdc, 0, NULL);
+    nameW = HeapAlloc( GetProcessHeap(), 0, res * 2 );
     GetTextFaceW( hdc, res, nameW );
 
     if (name)