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 1993 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 1.9 */
32 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
33
34 #include "ctype.h"
35 #include "string.h"
36 #include "stdlib.h"
37 #include "unistd.h"
38
39 #include "lp.h"
40
41 /**
42 ** isprinter() - SEE IF ARGUMENT IS A REAL PRINTER
43 **/
44
45 int
46 #if defined(__STDC__)
isprinter(char * str)47 isprinter (
48 char * str
49 )
50 #else
51 isprinter (str)
52 char *str;
53 #endif
54 {
55 char *path = 0;
56
57 int bool;
58
59 bool = (
60 str
61 && *str
62 && (path = getprinterfile(str, CONFIGFILE))
63 && Access(path, F_OK) == 0
64 );
65 if (path)
66 Free (path);
67 return (bool);
68 }
69
70 /**
71 ** isclass() - SEE IF ARGUMENT IS A REAL CLASS
72 **/
73
74 int
75 #if defined(__STDC__)
isclass(char * str)76 isclass (
77 char * str
78 )
79 #else
80 isclass (str)
81 char *str;
82 #endif
83 {
84 char *path = 0;
85
86 int bool;
87
88 bool = (
89 str
90 && *str
91 && (path = getclassfile(str))
92 && Access(path, F_OK) == 0
93 );
94 if (path)
95 Free (path);
96 return (bool);
97 }
98
99 /**
100 ** isrequest() - SEE IF ARGUMENT LOOKS LIKE A REAL REQUEST
101 **/
102
103 int
104 #if defined(__STDC__)
isrequest(char * str)105 isrequest (
106 char * str
107 )
108 #else
109 isrequest (str)
110 char *str;
111 #endif
112 {
113 char *dashp;
114
115 /*
116 * Valid print requests have the form
117 *
118 * dest-NNN
119 *
120 * where ``dest'' looks like a printer or class name.
121 * An earlier version of this routine checked to see if
122 * the ``dest'' was an EXISTING printer or class, but
123 * that caused problems with valid requests moved from
124 * a deleted printer or class (the request ID doesn't
125 * change in the new LP).
126 */
127
128 if (!str || !*str)
129 return (0);
130
131 if (!(dashp = strrchr(str, '-')))
132 return (0);
133
134 if (dashp == str)
135 return(0);
136
137 *dashp = 0;
138 if (!syn_name(str)) {
139 *dashp = '-';
140 return (0);
141 }
142 *dashp++ = '-';
143
144 if (!isnumber(dashp))
145 return (0);
146
147 return (1);
148 }
149
150 int
151 #if defined(__STDC__)
isnumber(char * s)152 isnumber (
153 char * s
154 )
155 #else
156 isnumber (s)
157 char *s;
158 #endif
159 {
160 register int c;
161
162 if (!s || !*s)
163 return (0);
164 while ((c = *(s++)) != '\0')
165 if (!isdigit(c))
166 return (0);
167 return (1);
168 }
169