1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1996, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * m_cmdname -- MKS specific library routine.
31 *
32 * Copyright 1985, 1992 by Mortice Kern Systems Inc.  All rights reserved.
33 *
34 */
35
36#ifdef M_RCSID
37#ifndef lint
38static char rcsID[] = "$Id: m_cmdnam.c 1.16 1993/02/15 14:12:23 fredw Exp $";
39#endif
40#endif
41
42#include <mks.h>
43#include <ctype.h>
44#include <string.h>
45
46/*f
47 *  MKS private routine to hide o/s dependencies in filenames in argv[0];
48 *  cmdname(argv[0]) returns a modified argv[0] which contains only the command
49 *  name, prefix, suffix stripped, and lower cased on case-less systems.
50 */
51LDEFN char *
52m_cmdname(cmd)
53char *cmd;
54{
55#if defined(DOS) || defined(OS2) || defined(NT)
56	register char *ap;
57
58	/* Lowercase command name on DOS, OS2 and NT. */
59	/* The shell needs the whole name lowered. */
60	for (ap = cmd; *ap; ap++)
61		if (isupper(*ap))
62			*ap = _tolower(*ap);
63
64	cmd = basename(cmd);
65
66	/* Strip .com/.exe/.??? suffix on DOS and OS/2 */
67	if ((ap = strrchr(cmd, '.')) != NULL)
68		*ap = '\0';
69
70	return (cmd);
71#else
72	return (basename(cmd));
73#endif
74}
75