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 */ 47extern char *libform_regcmp(char *, char *); 48extern char *libform_regex(char *, char *, char *); 49static char *make_rexp(va_list *); 50static char *copy_rexp(char *); 51static void free_rexp(char *); 52static int fcheck_rexp(FIELD *, char *); 53 54static 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 69FIELDTYPE * TYPE_REGEXP = &typeREGEXP; 70 71static char * 72make_rexp(va_list *ap) 73{ 74 return (libform_regcmp(va_arg(*ap, char *), NULL)); 75 /* (...)$n will dump core */ 76} 77 78static char * 79copy_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 88static void 89free_rexp(char *arg) 90{ 91 Free(arg); 92} 93 94static int 95fcheck_rexp(FIELD *f, char *arg) 96{ 97 return (libform_regex(arg, field_buffer(f, 0), NULL) ? TRUE : FALSE); 98} 99