11590Srgrimes/*- 21590Srgrimes * Copyright (c) 1992 Diomidis Spinellis. 31590Srgrimes * Copyright (c) 1992, 1993 41590Srgrimes * The Regents of the University of California. All rights reserved. 51590Srgrimes * 61590Srgrimes * This code is derived from software contributed to Berkeley by 71590Srgrimes * Diomidis Spinellis of Imperial College, University of London. 81590Srgrimes * 91590Srgrimes * Redistribution and use in source and binary forms, with or without 101590Srgrimes * modification, are permitted provided that the following conditions 111590Srgrimes * are met: 121590Srgrimes * 1. Redistributions of source code must retain the above copyright 131590Srgrimes * notice, this list of conditions and the following disclaimer. 141590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 151590Srgrimes * notice, this list of conditions and the following disclaimer in the 161590Srgrimes * documentation and/or other materials provided with the distribution. 171590Srgrimes * 4. Neither the name of the University nor the names of its contributors 181590Srgrimes * may be used to endorse or promote products derived from this software 191590Srgrimes * without specific prior written permission. 201590Srgrimes * 211590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311590Srgrimes * SUCH DAMAGE. 321590Srgrimes */ 331590Srgrimes 3487766Smarkm#include <sys/cdefs.h> 3587766Smarkm__FBSDID("$FreeBSD$"); 3687766Smarkm 371590Srgrimes#ifndef lint 3887766Smarkmstatic const char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/6/93"; 3928066Scharnier#endif 401590Srgrimes 411590Srgrimes#include <sys/types.h> 421590Srgrimes 4328066Scharnier#include <err.h> 44200462Sdelphij#include <limits.h> 451590Srgrimes#include <regex.h> 46200462Sdelphij#include <stdio.h> 471590Srgrimes#include <stdlib.h> 48200462Sdelphij#include <string.h> 491590Srgrimes 50200462Sdelphij#include "defs.h" 51200462Sdelphij#include "extern.h" 52200462Sdelphij 531590Srgrimes/* 54108533Sschweikh * Return a string for a regular expression error passed. This is overkill, 551590Srgrimes * because of the silly semantics of regerror (we can never know the size of 561590Srgrimes * the buffer). 571590Srgrimes */ 581590Srgrimeschar * 59122044Sdesstrregerror(int errcode, regex_t *preg) 601590Srgrimes{ 611590Srgrimes static char *oe; 621590Srgrimes size_t s; 631590Srgrimes 641590Srgrimes if (oe != NULL) 651590Srgrimes free(oe); 6699572Stjr s = regerror(errcode, preg, NULL, 0); 6780286Sobrien if ((oe = malloc(s)) == NULL) 6880286Sobrien err(1, "malloc"); 691590Srgrimes (void)regerror(errcode, preg, oe, s); 701590Srgrimes return (oe); 711590Srgrimes} 72