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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.6 */ 27 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */ 28 29 #include "errno.h" 30 #include "string.h" 31 #include "stdlib.h" 32 33 #include "lp.h" 34 #include "filters.h" 35 36 /** 37 ** getfilter() - GET FILTER FROM FILTER TABLE 38 **/ 39 40 FILTER * 41 #if defined(__STDC__) 42 getfilter ( 43 char * name 44 ) 45 #else 46 getfilter (name) 47 char *name; 48 #endif 49 { 50 static _FILTER *pf = 0; 51 52 static FILTER flbuf; 53 54 55 if (!name || !*name) { 56 errno = EINVAL; 57 return (0); 58 } 59 60 /* 61 * Don't need to check for ENOENT, because if it is set, 62 * well that's what we want to return anyway! 63 */ 64 if (!filters && get_and_load() == -1 /* && errno != ENOENT */ ) 65 return (0); 66 67 if (STREQU(NAME_ALL, name)) 68 if (pf) { 69 if (!(++pf)->name) 70 pf = 0; 71 } else 72 pf = filters; 73 else 74 pf = search_filter(name); 75 76 if (!pf || !pf->name) { 77 errno = ENOENT; 78 return (0); 79 } 80 81 flbuf.name = Strdup(pf->name); 82 flbuf.command = (pf->command? Strdup(pf->command) : 0); 83 flbuf.type = pf->type; 84 flbuf.printer_types = typel_to_sl(pf->printer_types); 85 flbuf.printers = duplist(pf->printers); 86 flbuf.input_types = typel_to_sl(pf->input_types); 87 flbuf.output_types = typel_to_sl(pf->output_types); 88 flbuf.templates = templatel_to_sl(pf->templates); 89 90 /* 91 * Make sure a subsequent ``all'' query starts getting 92 * filters from the beginning. 93 */ 94 if (!STREQU(NAME_ALL, name)) 95 pf = 0; 96 97 return (&flbuf); 98 } 99