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/*
kbs - Simple, easily fooled, POP3 spam filter
Copyright (C) 2003 Ian Cowburn (ianc@noddybox.demon.co.uk)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------
Common utilities
*/
static const char id[]="$Id$";
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <regex.h>
#include "global.h"
#include "rexp.h"
#include "config.h"
#include "util.h"
static const char header_id[]=KBS_REXP_H;
/* ---------------------------------------- TYPES
*/
struct RE_Expression
{
regex_t re;
char *expr;
};
/* ---------------------------------------- INTERFACES
*/
RE_Expression RECompile(const char *regexpr)
{
RE_Expression re;
int flags;
re=Malloc(sizeof *re);
flags=REG_EXTENDED|REG_NOSUB;
if (!ConfigInt(CONFIG_CASESENSE))
flags|=REG_ICASE;
if (regcomp(&re->re,regexpr,flags))
{
free(re);
re=NULL;
}
else
{
re->expr=CopyStr(regexpr);
}
return re;
}
int RESearch(const RE_Expression re, const char *string)
{
int ret;
ret=regexec(&re->re,string,0,NULL,0);
return !ret;
}
const char *REGetExpression(const RE_Expression re)
{
return re->expr;
}
void REFree(RE_Expression re)
{
if (re)
{
regfree(&re->re);
free(re->expr);
free(re);
}
}
/* END OF FILE */
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