[ros-diffs] [greatlrd] 20442: Fix Bug 1217 with patch from bugzila by ravelo "If you type > or < in cmd and hit ENTER, cmd.exe crashes"

Fix Bug 1217 with patch from bugzila by  ravelo  "If you type > or < in
cmd and hit ENTER, cmd.exe crashes"
Modified: trunk/reactos/subsys/system/cmd/cmd.c
  _____

Modified: trunk/reactos/subsys/system/cmd/cmd.c
--- trunk/reactos/subsys/system/cmd/cmd.c	2005-12-29 21:45:17 UTC
(rev 20441)
+++ trunk/reactos/subsys/system/cmd/cmd.c	2005-12-29 21:46:40 UTC
(rev 20442)
@@ -1385,9 +1385,10 @@

tmp = commandline;
    		tmp += _tcsspn(tmp,_T(" \t"));
    		/* first we find and skip and
pre-redirections... */
-			while ( _tcschr(_T("<>"),*tmp)
+			while (( tmp ) &&
+				( _tcschr(_T("<>"),*tmp)
    			|| !_tcsncmp(tmp,_T("1>"),2)
-				|| !_tcsncmp(tmp,_T("2>"),2) )
+				|| !_tcsncmp(tmp,_T("2>"),2) ))
    		{
    			if ( _istdigit(*tmp) )
    				tmp += 2;
@@ -1402,7 +1403,8 @@
    			}
    			else
    				tmp = _tcspbrk(tmp,_T(" \t"));
-				tmp += _tcsspn(tmp,_T(" \t"));
+				if ( tmp )
+					tmp += _tcsspn(tmp,_T(" \t"));
    		}
    		/* we should now be pointing to the actual
command
    		 * (if there is one yet)*/