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 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
31
32 #include "ctype.h"
33 #include "string.h"
34 #include "stdlib.h"
35 #include "unistd.h"
36
37 #include "lp.h"
38
39 /**
40 ** isprinter() - SEE IF ARGUMENT IS A REAL PRINTER
41 **/
42
43 int
44 #if defined(__STDC__)
isprinter(char * str)45 isprinter (
46 char * str
47 )
48 #else
49 isprinter (str)
50 char *str;
51 #endif
52 {
53 char *path = 0;
54
55 int bool;
56
57 bool = (
58 str
59 && *str
60 && (path = getprinterfile(str, CONFIGFILE))
61 && Access(path, F_OK) == 0
62 );
63 if (path)
64 Free (path);
65 return (bool);
66 }
67
68 /**
69 ** isclass() - SEE IF ARGUMENT IS A REAL CLASS
70 **/
71
72 int
73 #if defined(__STDC__)
isclass(char * str)74 isclass (
75 char * str
76 )
77 #else
78 isclass (str)
79 char *str;
80 #endif
81 {
82 char *path = 0;
83
84 int bool;
85
86 bool = (
87 str
88 && *str
89 && (path = getclassfile(str))
90 && Access(path, F_OK) == 0
91 );
92 if (path)
93 Free (path);
94 return (bool);
95 }
96
97 /**
98 ** isrequest() - SEE IF ARGUMENT LOOKS LIKE A REAL REQUEST
99 **/
100
101 int
102 #if defined(__STDC__)
isrequest(char * str)103 isrequest (
104 char * str
105 )
106 #else
107 isrequest (str)
108 char *str;
109 #endif
110 {
111 char *dashp;
112
113 /*
114 * Valid print requests have the form
115 *
116 * dest-NNN
117 *
118 * where ``dest'' looks like a printer or class name.
119 * An earlier version of this routine checked to see if
120 * the ``dest'' was an EXISTING printer or class, but
121 * that caused problems with valid requests moved from
122 * a deleted printer or class (the request ID doesn't
123 * change in the new LP).
124 */
125
126 if (!str || !*str)
127 return (0);
128
129 if (!(dashp = strrchr(str, '-')))
130 return (0);
131
132 if (dashp == str)
133 return(0);
134
135 *dashp = 0;
136 if (!syn_name(str)) {
137 *dashp = '-';
138 return (0);
139 }
140 *dashp++ = '-';
141
142 if (!isnumber(dashp))
143 return (0);
144
145 return (1);
146 }
147
148 int
149 #if defined(__STDC__)
isnumber(char * s)150 isnumber (
151 char * s
152 )
153 #else
154 isnumber (s)
155 char *s;
156 #endif
157 {
158 register int c;
159
160 if (!s || !*s)
161 return (0);
162 while ((c = *(s++)) != '\0')
163 if (!isdigit(c))
164 return (0);
165 return (1);
166 }
167