/* * regcomp and regexec - front ends to re_ routines * * Mostly for implementation of backward-compatibility kludges.  Note * that these routines exist ONLY in char versions. * * Copyright (c) 1998, 1999 Henry Spencer.  All rights reserved. *  * Development of this software was funded, in part, by Cray Research Inc., * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics * Corporation, none of whom are responsible for the results.  The author * thanks all of them.  *  * Redistribution and use in source and binary forms -- with or without * modification -- are permitted for any purpose, provided that * redistributions in source form retain this entire copyright notice and * indicate the origin and nature of any modifications. *  * I'd appreciate being given credit for this package in the documentation * of software which uses it, but that is not a requirement. *  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */#include "regguts.h"/* - regcomp - compile regular expression */intregcomp(re, str, flags)regex_t *re;CONST char *str;int flags;{	size_t len;	int f = flags;	if (f&REG_PEND) {		len = re->re_endp - str;		f &= ~REG_PEND;	} else		len = strlen(str);	return re_comp(re, str, len, f);}/* - regexec - execute regular expression */intregexec(re, str, nmatch, pmatch, flags)regex_t *re;CONST char *str;size_t nmatch;regmatch_t pmatch[];int flags;{	CONST char *start;	size_t len;	int f = flags;	if (f&REG_STARTEND) {		start = str + pmatch[0].rm_so;		len = pmatch[0].rm_eo - pmatch[0].rm_so;		f &= ~REG_STARTEND;	} else {		start = str;		len = strlen(str);	}	return re_exec(re, start, len, nmatch, pmatch, f);}