[aandrejevic] 59701: [NTVDM] Fix bug in DosChangeDirectory.

Author: aandrejevic
Date: Sun Aug 11 21:07:09 2013
New Revision: 59701

URL: http://svn.reactos.org/svn/reactos?rev=59701&view=rev
Log:
[NTVDM]
Fix bug in DosChangeDirectory.

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

Modified: branches/ntvdm/subsystems/ntvdm/dos.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/dos.c?rev...
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/dos.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/dos.c	[iso-8859-1] Sun Aug 11 21:07:09 2013
@@ -892,10 +892,16 @@
     }

/* Get the directory part of the path */
-    Path = strchr(Directory, '\') + 1;
+    Path = strchr(Directory, '\');
+    if (Path != NULL)
+    {
+        /* Skip the backslash */
+        Path++;
+    }

/* Set the directory for the drive */
-    strcpy(CurrentDirectories[DriveNumber], Path);
+    if (Path != NULL) strcpy(CurrentDirectories[DriveNumber], Path);
+    else strcpy(CurrentDirectories[DriveNumber], "");

/* Return success */
     return TRUE;