/usr/include/bitlbee/set.h is in bitlbee-dev 3.0.4+bzr855-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* BitlBee -- An IRC to other IM-networks gateway *
* *
* Copyright 2002-2006 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
*/
#ifndef __SET_H__
#define __SET_H__
struct set;
/* This used to be specific to irc_t structures, but it's more generic now
(so it can also be used for account_t structs). It's pretty simple, but
so far pretty useful.
In short, it just keeps a linked list of settings/variables and it also
remembers a default value for every setting. And to prevent the user
from setting invalid values, you can write an evaluator function for
every setting, which can check a new value and block it by returning
NULL, or replace it by returning a new value. See struct set.eval. */
typedef char *(*set_eval) ( struct set *set, char *value );
extern char *SET_INVALID;
typedef enum
{
SET_NOSAVE = 0x0001,
SET_NULL_OK = 0x0100,
SET_HIDDEN = 0x0200,
SET_PASSWORD = 0x0400,
SET_HIDDEN_DEFAULT = 0x0800,
} set_flags_t;
typedef struct set
{
void *data; /* Here you can save a pointer to the
object this settings belongs to. */
char *key;
char *old_key; /* Previously known as; for smooth upgrades. */
char *value;
char *def; /* Default value. If the set_setstr() function
notices a new value is exactly the same as
the default, value gets set to NULL. So when
you read a setting, don't forget about this!
In fact, you should only read values using
set_getstr/int(). */
set_flags_t flags; /* Mostly defined per user. */
/* Eval: Returns SET_INVALID if the value is incorrect, exactly
the passed value variable, or a corrected value. In case of
the latter, set_setstr() will free() the returned string! */
set_eval eval;
void *eval_data;
struct set *next;
} set_t;
/* Should be pretty clear. */
set_t *set_add( set_t **head, const char *key, const char *def, set_eval eval, void *data );
/* Returns the raw set_t. Might be useful sometimes. */
set_t *set_find( set_t **head, const char *key );
/* Returns a pointer to the string value of this setting. Don't modify the
returned string, and don't free() it! */
G_MODULE_EXPORT char *set_getstr( set_t **head, const char *key );
/* Get an integer. In previous versions set_getint() was also used to read
boolean values, but this SHOULD be done with set_getbool() now! */
G_MODULE_EXPORT int set_getint( set_t **head, const char *key );
G_MODULE_EXPORT int set_getbool( set_t **head, const char *key );
/* set_setstr() strdup()s the given value, so after using this function
you can free() it, if you want. */
int set_setstr( set_t **head, const char *key, char *value );
int set_setint( set_t **head, const char *key, int value );
void set_del( set_t **head, const char *key );
int set_reset( set_t **head, const char *key );
/* returns true if a setting shall be shown to the user */
int set_isvisible( set_t *set );
/* Two very useful generic evaluators. */
char *set_eval_int( set_t *set, char *value );
char *set_eval_bool( set_t *set, char *value );
/* Another more complicated one. */
char *set_eval_list( set_t *set, char *value );
/* Some not very generic evaluators that really shouldn't be here... */
char *set_eval_to_char( set_t *set, char *value );
char *set_eval_ops( set_t *set, char *value );
#endif /* __SET_H__ */
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