cmd: mkdir: Set errorlevel on invalid argument.

programs/cmd/builtins.c

@@ -537,6 +537,7 @@ void WCMD_create_dir (WCHAR *command) {
         if (!argN) break;
         if (!create_full_path(thisArg)) {
             WCMD_print_error ();
+            errorlevel = 1;
         }
     }
 }

programs/cmd/tests/test_builtins.cmd

@@ -485,18 +485,18 @@ if exist foo (rmdir foo & echo dir created
 echo %ErrorLevel%
 rem Invalid chars
 mkdir ?
-echo %ErrorLevel%
+echo mkdir ? gives errorlevel %ErrorLevel%
 call :setError 0
 mkdir ?\foo
-echo %ErrorLevel%
+echo mkdir ?\foo gives errorlevel %ErrorLevel%
 call :setError 0
 mkdir foo\?
-echo %ErrorLevel%
+echo mkdir foo\? gives errorlevel %ErrorLevel%
 if exist foo (rmdir foo & echo ok, foo created
 ) else ( echo foo not created )
 call :setError 0
 mkdir foo\bar\?
-echo %ErrorLevel%
+echo mkdir foo\bar\? gives errorlevel %ErrorLevel%
 call :setError 0
 if not exist foo (
     echo bad, foo not created

programs/cmd/tests/test_builtins.cmd.exp

@@ -277,11 +277,11 @@ del /q * succeeded on file2.dat
 0
 dir created
 0
-@todo_wine@1
-@todo_wine@1
-@todo_wine@1
+mkdir ? gives errorlevel 1
+mkdir ?\foo gives errorlevel 1
+mkdir foo\? gives errorlevel 1
 @todo_wine@ok, foo created
-@todo_wine@1
+mkdir foo\bar\? gives errorlevel 1
 @todo_wine@ok, foo\bar created
 foo created
 bar created