/*
 * general purpose mouse (gpm)
 *
 * Copyright (c) 2008        Nico Schottelius <nico-gpm2008 at schottelius.org>
 *
 *   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.
 *
 ********/

extern int isodigit(const unsigned char c);

/* routine to convert digits from octal notation (Andries Brouwer) */
int getsym(const unsigned char *p0, unsigned char *res)
{
   const unsigned char *p = p0;
   char c;

   c = *p++;
   if (c == '\\' && *p) {
      c = *p++;
      if (isodigit(c)) {
         c -= '0';
         if (isodigit(*p)) c = 8*c + (*p++ - '0');
         if (isodigit(*p)) c = 8*c + (*p++ - '0');
      }
   }
   *res = c;
   return (p - p0);
}