diff options
Diffstat (limited to 'generic/regfronts.c')
| -rw-r--r-- | generic/regfronts.c | 103 |
1 files changed, 69 insertions, 34 deletions
diff --git a/generic/regfronts.c b/generic/regfronts.c index a9bd556..088a640 100644 --- a/generic/regfronts.c +++ b/generic/regfronts.c @@ -1,56 +1,91 @@ /* * regcomp and regexec - front ends to re_ routines * - * Mostly for implementation of backward-compatibility kludges. Note - * that these routines exist ONLY in char versions. + * 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; +regcomp( + regex_t *re, + const char *str, + int flags) { - size_t len; - int f = flags; + size_t len; + int f = flags; - if (f®_PEND) { - len = re->re_endp - str; - f &= ~REG_PEND; - } else - len = strlen(str); + if (f®_PEND) { + len = re->re_endp - str; + f &= ~REG_PEND; + } else { + len = strlen(str); + } - return re_comp(re, str, len, f); + 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; +regexec( + regex_t *re, + const char *str, + size_t nmatch, + regmatch_t pmatch[], + int flags) { - CONST char *start; - size_t len; - int f = 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); - } + 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); + return re_exec(re, start, len, nmatch, pmatch, f); } + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |