[greatlrd] 33043: add back a check for the negative value thx Christoph_vW notes this mistake.

Author: greatlrd
Date: Sun Apr 20 01:25:30 2008
New Revision: 33043

URL: http://svn.reactos.org/svn/reactos?rev=33043&view=rev
Log:
add back a check for  the negative value
thx Christoph_vW notes this mistake.

Modified:
    trunk/reactos/base/shell/cmd/cmd.c

Modified: trunk/reactos/base/shell/cmd/cmd.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/cmd.c?rev=33...
==============================================================================
--- trunk/reactos/base/shell/cmd/cmd.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/cmd.c [iso-8859-1] Sun Apr 20 01:25:30 2008
@@ -1164,15 +1164,23 @@
    	if (position)
    	{
    		position += 2;
-			Token = _tcstok(position, _T(","));
-			while ((Token != NULL) && (i < 2))
+			if (_tcschr(position, _T(',')) != NULL)
    		{
-				StringPart[i] = _ttoi(Token);
-				i++;
-				Token = _tcstok (NULL, _T(","));
+				Token = _tcstok(position, _T(","));
+				while ((Token != NULL) && (i < 2))
+				{
+					StringPart[i] = _ttoi(Token);
+					i++;
+					Token = _tcstok (NULL, _T(","));
+				}
+				if (i > 0)
+				{
+					if (StringPart[1] < 0)
+						StringPart[1] = _tcslen(ret + StringPart[0]) + StringPart[1];
+					_tcsncpy(ReturnValue, ret + StringPart[0], StringPart[1]);
+					_tcscpy(ret, ReturnValue);
+				}
    		}
-			_tcsncpy(ReturnValue, ret + StringPart[0], StringPart[1]);
-			_tcscpy(ret, ReturnValue);
    		return ret;
    	}
    	else