/* * 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(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(regex_t *re, str, 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); }