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/********************************************************************\
* BitlBee -- An IRC to other IM-networks gateway *
* *
* Copyright 2002-2005 Wilmer van der Gaast and others *
\********************************************************************/
/* Some stuff to register, handle and save user preferences */
/*
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 with
the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
if not, write to the Free Software Foundation, Inc., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
*/
#define BITLBEE_CORE
#include "bitlbee.h"
/* Used to use NULL for this, but NULL is actually a "valid" value. */
char *SET_INVALID = "nee";
set_t *set_add( set_t **head, char *key, char *def, set_eval eval, void *data )
{
set_t *s = set_find( head, key );
/* Possibly the setting already exists. If it doesn't exist yet,
we create it. If it does, we'll just change the default. */
if( !s )
{
if( ( s = *head ) )
{
while( s->next ) s = s->next;
s->next = g_new0( set_t, 1 );
s = s->next;
}
else
{
s = *head = g_new0( set_t, 1 );
}
s->key = g_strdup( key );
}
if( s->def )
{
g_free( s->def );
s->def = NULL;
}
if( def ) s->def = g_strdup( def );
s->eval = eval;
s->data = data;
return s;
}
set_t *set_find( set_t **head, char *key )
{
set_t *s = *head;
while( s )
{
if( g_strcasecmp( s->key, key ) == 0 )
break;
s = s->next;
}
return s;
}
char *set_getstr( set_t **head, char *key )
{
set_t *s = set_find( head, key );
if( !s || ( !s->value && !s->def ) )
return NULL;
return s->value ? s->value : s->def;
}
int set_getint( set_t **head, char *key )
{
char *s = set_getstr( head, key );
int i = 0;
if( !s )
return 0;
if( sscanf( s, "%d", &i ) != 1 )
return 0;
return i;
}
int set_getbool( set_t **head, char *key )
{
char *s = set_getstr( head, key );
if( !s )
return 0;
return bool2int( s );
}
int set_setstr( set_t **head, char *key, char *value )
{
set_t *s = set_find( head, key );
char *nv = value;
if( !s )
/*
Used to do this, but it never really made sense.
s = set_add( head, key, NULL, NULL, NULL );
*/
return 0;
if( value == NULL && ( s->flags & SET_NULL_OK ) == 0 )
return 0;
/* Call the evaluator. For invalid values, evaluators should now
return SET_INVALID, but previously this was NULL. Try to handle
that too if NULL is not an allowed value for this setting. */
if( s->eval && ( ( nv = s->eval( s, value ) ) == SET_INVALID ||
( ( s->flags & SET_NULL_OK ) == 0 && nv == NULL ) ) )
return 0;
if( s->value )
{
g_free( s->value );
s->value = NULL;
}
/* If there's a default setting and it's equal to what we're trying to
set, stick with s->value = NULL. Otherwise, remember the setting. */
if( !s->def || ( strcmp( nv, s->def ) != 0 ) )
s->value = g_strdup( nv );
if( nv != value )
g_free( nv );
return 1;
}
int set_setint( set_t **head, char *key, int value )
{
char s[24]; /* Not quite 128-bit clean eh? ;-) */
g_snprintf( s, sizeof( s ), "%d", value );
return set_setstr( head, key, s );
}
void set_del( set_t **head, char *key )
{
set_t *s = *head, *t = NULL;
while( s )
{
if( g_strcasecmp( s->key, key ) == 0 )
break;
s = (t=s)->next;
}
if( s )
{
if( t )
t->next = s->next;
else
*head = s->next;
g_free( s->key );
if( s->value ) g_free( s->value );
if( s->def ) g_free( s->def );
g_free( s );
}
}
int set_reset( set_t **head, char *key )
{
set_t *s;
s = set_find( head, key );
if( s )
return set_setstr( head, key, s->def );
return 0;
}
char *set_eval_int( set_t *set, char *value )
{
char *s = value;
/* Allow a minus at the first position. */
if( *s == '-' )
s ++;
for( ; *s; s ++ )
if( !isdigit( *s ) )
return SET_INVALID;
return value;
}
char *set_eval_bool( set_t *set, char *value )
{
return is_bool( value ) ? value : SET_INVALID;
}
char *set_eval_to_char( set_t *set, char *value )
{
char *s = g_new( char, 3 );
if( *value == ' ' )
strcpy( s, " " );
else
sprintf( s, "%c ", *value );
return s;
}
char *set_eval_ops( set_t *set, char *value )
{
irc_t *irc = set->data;
if( g_strcasecmp( value, "user" ) == 0 )
irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
irc->channel, "+o-o", irc->nick, irc->mynick );
else if( g_strcasecmp( value, "root" ) == 0 )
irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
irc->channel, "-o+o", irc->nick, irc->mynick );
else if( g_strcasecmp( value, "both" ) == 0 )
irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
irc->channel, "+oo", irc->nick, irc->mynick );
else if( g_strcasecmp( value, "none" ) == 0 )
irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
irc->channel, "-oo", irc->nick, irc->mynick );
else
return SET_INVALID;
return value;
}
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