xref: /illumos-gate/usr/src/cmd/lp/lib/lp/dashos.c (revision 59d65d3175825093531e82f44269d948ed510a00)
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 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
31 
32 #include "string.h"
33 
34 #include "lp.h"
35 
36 #define issep(X)	strchr(LP_WS, X)
37 
38 /**
39  ** dashos() - PARSE -o OPTIONS, (char *) --> (char **)
40  **/
41 
42 char **
43 #if	defined(__STDC__)
44 dashos (
45 	char *			o
46 )
47 #else
48 dashos (o)
49 	register char		*o;
50 #endif
51 {
52 	register char		quote,
53 				c,
54 				*option;
55 
56 	char			**list	= 0;
57 
58 	if (!o)
59 		return(0);
60 
61 	while (*o) {
62 
63 		while (*o && issep(*o))
64 			o++;
65 
66 		for (option = o; *o && !issep(*o); o++)
67 			if (strchr(LP_QUOTES, (quote = *o)))
68 				for (o++; *o && *o != quote; o++)
69 					if (*o == '\\' && o[1])
70 						o++;
71 
72 		if (option < o) {
73 			c = *o;
74 			*o = 0;
75 			addlist (&list, option);
76 			*o = c;
77 		}
78 
79 	}
80 	return (list);
81 }
82