85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/*****************************************************************************
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*
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* $Id: remask.c,v 1.4 2007/03/03 14:28:41 mbse Exp $
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* Purpose ...............: Regular Expression Mask
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*
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*****************************************************************************
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* Copyright (C) 1997-2007
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "mbselib.h"
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char *re_mask(char *nm, int forceupper)
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{
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char *p, *q;
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static char mask[256];
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memset(&mask, 0, sizeof(mask));
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if (forceupper)
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p = tl(nm);
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else
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p = nm;
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q = mask;
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*q++ = '^';
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while ((*p) && (q < (mask + sizeof(mask) - 4))) {
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switch (*p) {
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case '\\': *q++ = '\\';
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*q++ = '\\';
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break;
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case '?': *q++ = '.';
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break;
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case '.': *q++ = '\\';
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*q++ = '.';
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break;
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case '+': *q++ = '\\';
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*q++ = '+';
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break;
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case '*': *q++ = '.';
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*q++ = '*';
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break;
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case '@': snprintf(q, 9, "[A-Za-z]");
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while (*q)
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q++;
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break;
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case '#': snprintf(q, 6, "[0-9]");
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while (*q)
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q++;
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break;
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default: if (forceupper)
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*q++ = toupper(*p);
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else
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*q++ = *p;
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break;
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}
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p++;
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}
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*q++ = '$';
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*q++ = '\0';
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return mask;
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}
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