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) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */ 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include <stdlib.h> 37 #include "utility.h" 38 39 /* 40 * TYPE_REGEXP standard type 41 * 42 * usage: 43 * set_field_type(f, TYPE_REGEXP, expression); 44 * 45 * char * expression; regular expression REGCMP(3X) 46 */ 47 extern char *libform_regcmp(char *, char *); 48 extern char *libform_regex(char *, char *, char *); 49 static char *make_rexp(va_list *); 50 static char *copy_rexp(char *); 51 static void free_rexp(char *); 52 static int fcheck_rexp(FIELD *, char *); 53 54 static FIELDTYPE typeREGEXP = 55 { 56 ARGS, /* status */ 57 1, /* ref */ 58 (FIELDTYPE *) 0, /* left */ 59 (FIELDTYPE *) 0, /* right */ 60 make_rexp, /* makearg */ 61 copy_rexp, /* copyarg */ 62 free_rexp, /* freearg */ 63 fcheck_rexp, /* fcheck */ 64 (PTF_int) 0, /* ccheck */ 65 (PTF_int) 0, /* next */ 66 (PTF_int) 0, /* prev */ 67 }; 68 69 FIELDTYPE * TYPE_REGEXP = &typeREGEXP; 70 71 static char * 72 make_rexp(va_list *ap) 73 { 74 return (libform_regcmp(va_arg(*ap, char *), NULL)); 75 /* (...)$n will dump core */ 76 } 77 78 static char * 79 copy_rexp(char *arg) 80 { 81 char *rexp; 82 83 if (arrayAlloc(rexp, (strlen(arg) + 1), char)) 84 (void) strcpy(rexp, arg); 85 return (rexp); 86 } 87 88 static void 89 free_rexp(char *arg) 90 { 91 Free(arg); 92 } 93 94 static int 95 fcheck_rexp(FIELD *f, char *arg) 96 { 97 return (libform_regex(arg, field_buffer(f, 0), NULL) ? TRUE : FALSE); 98 } 99