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 /*
28 * m_cmdname -- MKS specific library routine.
29 *
30 * Copyright 1985, 1992 by Mortice Kern Systems Inc. All rights reserved.
31 *
32 */
33
34 #ifdef M_RCSID
35 #ifndef lint
36 static char rcsID[] = "$Id: m_cmdnam.c 1.16 1993/02/15 14:12:23 fredw Exp $";
37 #endif
38 #endif
39
40 #include <mks.h>
41 #include <ctype.h>
42 #include <string.h>
43
44 /*f
45 * MKS private routine to hide o/s dependencies in filenames in argv[0];
46 * cmdname(argv[0]) returns a modified argv[0] which contains only the command
47 * name, prefix, suffix stripped, and lower cased on case-less systems.
48 */
49 LDEFN char *
m_cmdname(cmd)50 m_cmdname(cmd)
51 char *cmd;
52 {
53 #if defined(DOS) || defined(OS2) || defined(NT)
54 register char *ap;
55
56 /* Lowercase command name on DOS, OS2 and NT. */
57 /* The shell needs the whole name lowered. */
58 for (ap = cmd; *ap; ap++)
59 if (isupper(*ap))
60 *ap = _tolower(*ap);
61
62 cmd = basename(cmd);
63
64 /* Strip .com/.exe/.??? suffix on DOS and OS/2 */
65 if ((ap = strrchr(cmd, '.')) != NULL)
66 *ap = '\0';
67
68 return (cmd);
69 #else
70 return (basename(cmd));
71 #endif
72 }
73