xref: /illumos-gate/usr/src/cmd/lp/lib/lp/syntax.c (revision 2a8bcb4e)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
27 /*	  All Rights Reserved  	*/
28 
29 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
30 
31 #include "ctype.h"
32 #include "string.h"
33 #include "sys/param.h"
34 
35 #include "lp.h"
36 
37 int
38 #if	defined(__STDC__)
syn_name(char * str)39 syn_name (
40 	char *			str
41 )
42 #else
43 syn_name (str)
44 	char			*str;
45 #endif
46 {
47 	register char		*p;
48 
49 	if (!str || !*str)
50 	  	return(0);
51 
52 	if (strlen(str) > (size_t) MAXPATHLEN)
53 		return (0);
54 
55 	for (p = str; *p; p++)
56 		if (!isalnum(*p) && *p != '_' && *p != '-' && *p != '.')
57 			return (0);
58 
59 	return (1);
60 }
61 
62 int
63 #if	defined(__STDC__)
syn_type(char * str)64 syn_type (
65 	char *			str
66 )
67 #else
68 syn_type (str)
69 	char			*str;
70 #endif
71 {
72 	register char		*p;
73 
74 	if (!str)
75 		return(0);
76 
77 	if (strlen(str) > (size_t) MAXPATHLEN)
78 		return (0);
79 
80 	for (p = str; *p; p++)
81 		if (!isalnum(*p) && *p != '-')
82 			return (0);
83 
84 	return (1);
85 }
86 
87 int
88 #if	defined(__STDC__)
syn_text(char * str)89 syn_text (
90 	char *			str
91 )
92 #else
93 syn_text (str)
94 	char			*str;
95 #endif
96 {
97 	register char		*p;
98 
99 	if (!str)
100 		return(0);
101 
102 	for (p = str; *p; p++)
103 		if (!isgraph(*p) && *p != '\t' && *p != ' ')
104 			return (0);
105 
106 	return (1);
107 }
108 
109 int
110 #if	defined(__STDC__)
syn_comment(char * str)111 syn_comment (
112 	char *			str
113 )
114 #else
115 syn_comment (str)
116 	char			*str;
117 #endif
118 {
119 	register char		*p;
120 
121 	if (!str)
122 		return(0);
123 
124 	for (p = str; *p; p++)
125 		if (!isgraph(*p) && *p != '\t' && *p != ' ' && *p != '\n')
126 			return (0);
127 
128 	return (1);
129 }
130 
131 int
132 #if	defined(__STDC__)
syn_machine_name(char * str)133 syn_machine_name (
134 	char *			str
135 )
136 #else
137 syn_machine_name (str)
138 	char			*str;
139 #endif
140 {
141 	if (!str)
142 		return(0);
143 
144 	if (strlen(str) > (size_t) 8)
145 		return (0);
146 
147 	return (1);
148 }
149 
150 int
151 #if	defined(__STDC__)
syn_option(char * str)152 syn_option (
153 	char *			str
154 )
155 #else
156 syn_option (str)
157 	char			*str;
158 #endif
159 {
160 	register char		*p;
161 
162 	if (!str)
163 		return(0);
164 
165 	for (p = str; *p; p++)
166 		if (!isprint(*p))
167 			return (0);
168 
169 	return (1);
170 }
171