[hbelusca] 59498: [NTVDM] Fix the TESTING case, in case you run ntvdm without other parameters.

Author: hbelusca
Date: Thu Jul 18 00:17:04 2013
New Revision: 59498

URL: http://svn.reactos.org/svn/reactos?rev=59498&view=rev
Log:
[NTVDM]
Fix the TESTING case, in case you run ntvdm without other parameters.

Modified:
    branches/ntvdm/subsystems/ntvdm/ntvdm.c

Modified: branches/ntvdm/subsystems/ntvdm/ntvdm.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/ntvdm.c?…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/ntvdm.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/ntvdm.c	[iso-8859-1] Thu Jul 18 00:17:04 2013
@@ -15,6 +15,12 @@
 #include "timer.h"
 #include "pic.h"
 #include "ps2.h"
+
+/*
+ * Activate this line if you want to be able to test NTVDM with:
+ * ntvdm.exe <program>
+ */
+// #define TESTING
 
 /* PUBLIC VARIABLES ***********************************************************/
 
@@ -84,7 +90,16 @@
     /* The DOS command line must be ASCII */
     WideCharToMultiByte(CP_ACP, 0, GetCommandLine(), -1, CommandLine, 128, NULL, NULL);
 #else
-    WideCharToMultiByte(CP_ACP, 0, argv[1], -1, CommandLine, 128, NULL, NULL);
+    if (argc == 2 && argv[1] != NULL)
+    {
+        WideCharToMultiByte(CP_ACP, 0, argv[1], -1, CommandLine, 128, NULL, NULL);
+    }
+    else
+    {
+        wprintf(L"\nReactOS Virtual DOS Machine\n\n"
+                L"Usage: NTVDM <executable>\n");
+        return 0;
+    }
 #endif
 
     if (!EmulatorInitialize())