19b50d902SRodney W. Grimes /*- 29b50d902SRodney W. Grimes * Copyright (c) 1992 Diomidis Spinellis. 39b50d902SRodney W. Grimes * Copyright (c) 1992, 1993 49b50d902SRodney W. Grimes * The Regents of the University of California. All rights reserved. 59b50d902SRodney W. Grimes * 69b50d902SRodney W. Grimes * This code is derived from software contributed to Berkeley by 79b50d902SRodney W. Grimes * Diomidis Spinellis of Imperial College, University of London. 89b50d902SRodney W. Grimes * 99b50d902SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 109b50d902SRodney W. Grimes * modification, are permitted provided that the following conditions 119b50d902SRodney W. Grimes * are met: 129b50d902SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 139b50d902SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 149b50d902SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 159b50d902SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 169b50d902SRodney W. Grimes * documentation and/or other materials provided with the distribution. 179b50d902SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 189b50d902SRodney W. Grimes * must display the following acknowledgement: 199b50d902SRodney W. Grimes * This product includes software developed by the University of 209b50d902SRodney W. Grimes * California, Berkeley and its contributors. 219b50d902SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 229b50d902SRodney W. Grimes * may be used to endorse or promote products derived from this software 239b50d902SRodney W. Grimes * without specific prior written permission. 249b50d902SRodney W. Grimes * 259b50d902SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 269b50d902SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 279b50d902SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 289b50d902SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 299b50d902SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 309b50d902SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 319b50d902SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 329b50d902SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 339b50d902SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 349b50d902SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 359b50d902SRodney W. Grimes * SUCH DAMAGE. 369b50d902SRodney W. Grimes */ 379b50d902SRodney W. Grimes 389b50d902SRodney W. Grimes #ifndef lint 3973a08bb2SPhilippe Charnier #if 0 409b50d902SRodney W. Grimes static char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/6/93"; 4173a08bb2SPhilippe Charnier #endif 4273a08bb2SPhilippe Charnier static const char rcsid[] = 4373a08bb2SPhilippe Charnier "$Id$"; 449b50d902SRodney W. Grimes #endif /* not lint */ 459b50d902SRodney W. Grimes 469b50d902SRodney W. Grimes #include <sys/types.h> 479b50d902SRodney W. Grimes 4873a08bb2SPhilippe Charnier #include <err.h> 499b50d902SRodney W. Grimes #include <regex.h> 509b50d902SRodney W. Grimes #include <stdio.h> 519b50d902SRodney W. Grimes #include <stdlib.h> 529b50d902SRodney W. Grimes #include <string.h> 539b50d902SRodney W. Grimes 549b50d902SRodney W. Grimes #include "defs.h" 559b50d902SRodney W. Grimes #include "extern.h" 569b50d902SRodney W. Grimes 579b50d902SRodney W. Grimes /* 589b50d902SRodney W. Grimes * malloc with result test 599b50d902SRodney W. Grimes */ 609b50d902SRodney W. Grimes void * 619b50d902SRodney W. Grimes xmalloc(size) 629b50d902SRodney W. Grimes u_int size; 639b50d902SRodney W. Grimes { 649b50d902SRodney W. Grimes void *p; 659b50d902SRodney W. Grimes 669b50d902SRodney W. Grimes if ((p = malloc(size)) == NULL) 6773a08bb2SPhilippe Charnier err(1, "malloc"); 689b50d902SRodney W. Grimes return (p); 699b50d902SRodney W. Grimes } 709b50d902SRodney W. Grimes 719b50d902SRodney W. Grimes /* 729b50d902SRodney W. Grimes * realloc with result test 739b50d902SRodney W. Grimes */ 749b50d902SRodney W. Grimes void * 759b50d902SRodney W. Grimes xrealloc(p, size) 769b50d902SRodney W. Grimes void *p; 779b50d902SRodney W. Grimes u_int size; 789b50d902SRodney W. Grimes { 799b50d902SRodney W. Grimes if (p == NULL) /* Compatibility hack. */ 809b50d902SRodney W. Grimes return (xmalloc(size)); 819b50d902SRodney W. Grimes 829b50d902SRodney W. Grimes if ((p = realloc(p, size)) == NULL) 8373a08bb2SPhilippe Charnier err(1, "realloc"); 849b50d902SRodney W. Grimes return (p); 859b50d902SRodney W. Grimes } 869b50d902SRodney W. Grimes 879b50d902SRodney W. Grimes /* 889b50d902SRodney W. Grimes * Return a string for a regular expression error passed. This is a overkill, 899b50d902SRodney W. Grimes * because of the silly semantics of regerror (we can never know the size of 909b50d902SRodney W. Grimes * the buffer). 919b50d902SRodney W. Grimes */ 929b50d902SRodney W. Grimes char * 939b50d902SRodney W. Grimes strregerror(errcode, preg) 949b50d902SRodney W. Grimes int errcode; 959b50d902SRodney W. Grimes regex_t *preg; 969b50d902SRodney W. Grimes { 979b50d902SRodney W. Grimes static char *oe; 989b50d902SRodney W. Grimes size_t s; 999b50d902SRodney W. Grimes 1009b50d902SRodney W. Grimes if (oe != NULL) 1019b50d902SRodney W. Grimes free(oe); 1029b50d902SRodney W. Grimes s = regerror(errcode, preg, "", 0); 1039b50d902SRodney W. Grimes oe = xmalloc(s); 1049b50d902SRodney W. Grimes (void)regerror(errcode, preg, oe, s); 1059b50d902SRodney W. Grimes return (oe); 1069b50d902SRodney W. Grimes } 107