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/*
* Authors: Martin Nagy <mnagy@redhat.com>
*
* Copyright (C) 2009 Red Hat
* see file 'COPYING' for use and warranty information
*
* 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; version 2 or later
*
* 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
*/
#ifndef _LD_SETTINGS_H_
#define _LD_SETTINGS_H_
typedef struct setting setting_t;
typedef enum {
ST_LD_STRING,
ST_SIGNED_INTEGER,
ST_UNSIGNED_INTEGER,
} setting_type_t;
struct setting {
const char *name;
int set;
int has_a_default;
setting_type_t type;
union {
const char *value_char;
signed int value_sint;
unsigned int value_uint;
} default_value;
void *target;
};
/*
* These defines are used as initializers for setting_t, for example:
*
* setting_t my_setting = {
* "name", default_string("this is the default"),
* &target_variable
* }
*
* setting_t my_setting = {
* "name", no_default_string, &target_variable
* }
*/
#define default_string(val) 0, 1, ST_LD_STRING, { .value_char = (val) }, NULL
#define default_sint(val) 0, 1, ST_SIGNED_INTEGER, { .value_sint = (val) }, NULL
#define default_uint(val) 0, 1, ST_UNSIGNED_INTEGER, { .value_uint = (val) }, NULL
/* No defaults. */
#define no_default_string 0, 0, ST_LD_STRING, { .value_char = NULL }, NULL
#define no_default_sint 0, 0, ST_SIGNED_INTEGER, { .value_sint = 0 }, NULL
#define no_default_uint 0, 0, ST_UNSIGNED_INTEGER, { .value_uint = 0 }, NULL
/* This is used in the end of setting_t arrays. */
#define end_of_settings { NULL, default_sint(0) }
/*
* Prototypes.
*/
isc_result_t
set_settings(setting_t *settings, const char * const* argv);
#endif /* !_LD_SETTINGS_H_ */
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