src/irc_string.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  irc_string.c: IRC string functions.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2005 ircd-ratbox development team
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  *
  24  *  $Id: irc_string.c 678 2006-02-03 20:25:01Z jilles $
  25  */
  26
  27 #include "stdinc.h"
  28 #include "irc_string.h"
  29 #include "client.h"
  30 #include "setup.h"
  31
  32 char *
  33 strip_colour(char *string)
  34 {
  35         char *c = string;
  36         char *c2 = string;
  37         char *last_non_space = NULL;
  38         /* c is source, c2 is target */
  39         for(; c && *c; c++)
  40                 switch (*c)
  41                 {
  42                 case 3:
  43                         if(isdigit(c[1]))
  44                         {
  45                                 c++;
  46                                 if(isdigit(c[1]))
  47                                         c++;
  48                                 if(c[1] == ',' && isdigit(c[2]))
  49                                 {
  50                                         c += 2;
  51                                         if(isdigit(c[1]))
  52                                                 c++;
  53                                 }
  54                         }
  55                         break;
  56                 case 2:
  57                 case 6:
  58                 case 7:
  59                 case 22:
  60                 case 23:
  61                 case 27:
  62                 case 31:
  63                         break;
  64                 case 32:
  65                         *c2++ = *c;
  66                         break;
  67                 default:
  68                         *c2++ = *c;
  69                         last_non_space = c2;
  70                         break;
  71                 }
  72         *c2 = '\0';
  73         if(last_non_space)
  74                 *last_non_space = '\0';
  75         return string;
  76 }