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__) 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__) 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__) 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__) 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