1/*
2 * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23#ifndef RLD
24#include <stdlib.h>
25#include <strings.h>
26#include "stuff/bool.h"
27#include "stuff/unix_standard_mode.h"
28
29/*
30 * get_unix_standard_mode() returns TRUE if we are running in UNIX standard
31 * command mode (the default).
32 */
33__private_extern__
34enum bool
35get_unix_standard_mode(
36void)
37{
38    static enum bool checked_environment_variable = FALSE;
39    static enum bool unix_standard_mode = TRUE;
40    char *p;
41
42	if(checked_environment_variable == FALSE){
43	    checked_environment_variable = TRUE;
44	    /*
45	     * Pick up the UNIX standard command mode environment variable.
46	     */
47	    p = getenv("COMMAND_MODE");
48	    if(p != NULL){
49		if(strcasecmp("legacy", p) == 0)
50		    unix_standard_mode = FALSE;
51	    }
52	}
53	return(unix_standard_mode);
54}
55#endif /* !defined(RLD) */
56