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