config.c

   1 /*  config.c - Functions which reads a config file to set the bot
   2  * ===============================================================
   3  *
   4  * The `CONFIG_FILE' macro is set in `config.h', this macro
   5  * sets the path where the config file is.
   6  * ===============================================================
   7  *  Copyright (C) 2009  "Carlos Ríos Vera" <crosvera@gmail.com>
   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  USA
  22  *
  23  *******************************************************************/
  24
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28 #include <errno.h>
  29
  30 #include "config.h"
  31
  32 struct _config *set_config( void ){
  33     FILE *c_file = NULL;
  34     struct _config *config = NULL;
  35     char fline[512];
  36
  37     /* Now we open the `CONFIG_FILE'. If an error happend, show a
  38      * message, and return NULL.
  39      ****************************************************************/
  40     c_file = fopen( CONFIG_FILE, "r" );
  41     if( c_file == (FILE *)NULL ){
  42         fprintf( stderr, "\n%s: %s\n", CONFIG_FILE, strerror( errno ) );
  43         return (struct _config *)NULL;
  44     }
  45
  46     config = (struct _config *) malloc( sizeof(struct _config) );
  47
  48
  49     /* Now we read the `CONFIG_FILE' and store the info into
  50      * the config structure.
  51      ***************************************************************/
  52     while( fgets(fline, sizeof(fline), c_file) ){
  53
  54         if( sscanf( fline, "server: %s\n", config->irc_server ) == 1 )
  55             continue;
  56         if( sscanf( fline, "port: %s\n", config->irc_port ) == 1 )
  57             continue;
  58         if( sscanf( fline, "channel: %s\n", config->irc_channel ) == 1 )
  59             continue;
  60         if( sscanf( fline, "nick: %s\n", config->irc_nick ) == 1)
  61             continue;
  62         if( sscanf( fline, "name: %[^\n]\n", config->irc_name ) == 1 )
  63             continue;
  64         if( sscanf( fline, "username: %[^\n]\n", config->username ) == 1 )
  65             continue;
  66         if( sscanf( fline, "master: %s\n", config->master ) == 1 )
  67             continue;
  68         if( sscanf( fline, "log-file: %[^\n]\n", config->log_file) == 1)
  69             continue;
  70     }
  71     fclose(c_file);
  72
  73     if(   strlen(config->irc_server) > 1  &&  strlen(config->irc_port) > 1
  74        && strlen(config->irc_channel) > 1  &&  strlen(config->irc_nick) > 1
  75        && strlen(config->irc_name) > 1  && strlen(config->username) > 1
  76        && strlen(config->master) > 1  &&  strlen(config->log_file) > 1      )
  77     {/* If there was no problems, go ahead !! */
  78         return config;
  79     }
  80
  81     /* troubles? */
  82     free(config);
  83     return (struct _config *)NULL;
  84
  85
  86 }