1 /**

     2  *  $Id: config.c 51 2008-01-10 00:19:39Z mbroeker $

     3  * $URL: http://localhost/svn/c/mcbot/trunk/src/config.c $

     4  *

     5  */

     6 

     7 #include <stdio.h>

     8 #include <stdlib.h>

     9 #include <string.h>

    10 

    11 #include <config.h>

    12 

    13 const

    14 char *CONFIG_OPTIONS[] = {

    15     "NICK", "PASSWORD", "SERVER", "PORT",

    16     "CHANNEL", "TOPIC",

    17     NULL

    18 };

    19 

    20 int config (UC * uc, char *fname)

    21 {

    22     FILE *f;

    23     char buffer[513];

    24     static char **line;

    25     char *token;

    26     char *value;

    27     int i = 0;

    28 

    29     if ((f = fopen (fname, "r")) == NULL)

    30         return -1;

    31 

    32     while (CONFIG_OPTIONS[i] != NULL)

    33         i++;

    34 

    35     line = calloc (i, sizeof (char *));

    36 

    37     /*

    38      * We can easily provide default values ...

    39      */

    40     uc->nick = uc->pass = uc->server = uc->channel = uc->topic = 0;

    41     uc->port = 6667;

    42 

    43     fgets (buffer, 512, f);

    44 

    45     token = buffer;

    46 

    47     while (!feof (f)) {

    48         /*

    49          * eat trailing tabs

    50          */

    51         while (*token == '\t')

    52             token++;

    53 

    54         /*

    55          * eat trailing whitespaces

    56          */

    57         while (*token == ' ')

    58             token++;

    59 

    60         token = strtok (token, ":");

    61 

    62         if (token != NULL) {

    63             value = strtok (NULL, "\n");

    64             i = 0;

    65             while (CONFIG_OPTIONS[i] != NULL) {

    66                 if (!strcmp (token, CONFIG_OPTIONS[i])) {

    67                     line[i] = malloc (strlen (value) + 1);

    68                     strncpy (line[i], value, strlen (value));

    69                 }

    70                 i++;

    71             }

    72         }

    73         *buffer = 0;

    74         fgets (buffer, 512, f);

    75     }

    76 

    77     if (fclose (f) != 0)

    78         return -1;

    79 

    80     i = 0;

    81     while (CONFIG_OPTIONS[i] != NULL) {

    82         if (line[i] != NULL)

    83             switch (i) {

    84             case 0:            /* NICK */

    85                 uc->nick = line[i];

    86                 break;

    87             case 1:            /* PASSWORD */

    88                 uc->pass = line[i];

    89                 break;

    90             case 2:            /* SERVER */

    91                 uc->server = line[i];

    92                 break;

    93             case 3:            /* PORT */

    94                 uc->port = atoi (line[i]);

    95                 break;

    96             case 4:            /* CHANNEL */

    97                 uc->channel = line[i];

    98                 break;

    99             case 5:            /* TOPIC */

   100                 uc->topic = line[i];

   101                 break;

   102             }

   103         i++;

   104     }

   105 

   106     if (!(uc->nick && uc->pass && uc->server && uc->channel))

   107         return -2;

   108 

   109     return 0;

   110 }