xref: /illumos-gate/usr/src/cmd/lp/lib/lp/dashos.c (revision 7c478bd9)
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 1990 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 
31 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.5	*/
32 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
33 
34 #include "string.h"
35 
36 #include "lp.h"
37 
38 #define issep(X)	strchr(LP_WS, X)
39 
40 /**
41  ** dashos() - PARSE -o OPTIONS, (char *) --> (char **)
42  **/
43 
44 char **
45 #if	defined(__STDC__)
dashos(char * o)46 dashos (
47 	char *			o
48 )
49 #else
50 dashos (o)
51 	register char		*o;
52 #endif
53 {
54 	register char		quote,
55 				c,
56 				*option;
57 
58 	char			**list	= 0;
59 
60 	if (!o)
61 		return(0);
62 
63 	while (*o) {
64 
65 		while (*o && issep(*o))
66 			o++;
67 
68 		for (option = o; *o && !issep(*o); o++)
69 			if (strchr(LP_QUOTES, (quote = *o)))
70 				for (o++; *o && *o != quote; o++)
71 					if (*o == '\\' && o[1])
72 						o++;
73 
74 		if (option < o) {
75 			c = *o;
76 			*o = 0;
77 			addlist (&list, option);
78 			*o = c;
79 		}
80 
81 	}
82 	return (list);
83 }
84