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deb-mbse/lib/remask.c
2005-11-19 20:22:40 +00:00

86 lines
2.1 KiB
C

/*****************************************************************************
*
* $Id$
* Purpose ...............: Regular Expression Mask
*
*****************************************************************************
* Copyright (C) 1997-2005
*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS 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, or (at your option) any
* later version.
*
* MBSE BBS 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 MBSE BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#include "../config.h"
#include "mbselib.h"
char *re_mask(char *nm, int forceupper)
{
char *p, *q;
static char mask[256];
memset(&mask, 0, sizeof(mask));
if (forceupper)
p = tl(nm);
else
p = nm;
q = mask;
*q++ = '^';
while ((*p) && (q < (mask + sizeof(mask) - 4))) {
switch (*p) {
case '\\': *q++ = '\\';
*q++ = '\\';
break;
case '?': *q++ = '.';
break;
case '.': *q++ = '\\';
*q++ = '.';
break;
case '+': *q++ = '\\';
*q++ = '+';
break;
case '*': *q++ = '.';
*q++ = '*';
break;
case '@': snprintf(q, 9, "[A-Za-z]");
while (*q)
q++;
break;
case '#': snprintf(q, 6, "[0-9]");
while (*q)
q++;
break;
default: if (forceupper)
*q++ = toupper(*p);
else
*q++ = *p;
break;
}
p++;
}
*q++ = '$';
*q++ = '\0';
// Syslog('f', "Search mask \"%s\" => \"%s\"", nm, mask);
return mask;
}