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/*
* 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
*/
int
regcomp(re, str, flags)
regex_t *re;
CONST char *str;
int flags;
{
size_t len;
int f = flags;
if (f®_PEND) {
len = re->re_endp - str;
f &= ~REG_PEND;
} else
len = strlen(str);
return re_comp(re, str, len, f);
}
/*
- regexec - execute regular expression
*/
int
regexec(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®_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);
}
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