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/* config file parser functions
*
* (C) 2000 by Harald Welte <laforge@gnumonks.org>
*
* This code is distributed under the terms of GNU GPL */
#ifndef _CONFFILE_H
#define _CONFFILE_H
#include <stdint.h>
/* errors returned by config functions */
enum {
ERRNONE = 0,
ERROPEN, /* unable to open config file */
ERROOM, /* out of memory */
ERRMULT, /* non-multiple option occured more than once */
ERRMAND, /* mandatory option not found */
ERRUNKN, /* unknown config key */
ERRSECTION, /* section not found */
ERRTOOLONG, /* string too long */
ERRINTFORMAT, /* integer format is invalid */
ERRINTRANGE, /* integer value is out of range */
};
/* maximum line length of config file entries */
#define LINE_LEN 255
/* maximum length of config key name */
#define CONFIG_KEY_LEN 30
/* maximum length of string config value */
#define CONFIG_VAL_STRING_LEN 225
/* valid config types */
#define CONFIG_TYPE_INT 0x0001
#define CONFIG_TYPE_STRING 0x0002
#define CONFIG_TYPE_CALLBACK 0x0003
/* valid config options */
#define CONFIG_OPT_NONE 0x0000
#define CONFIG_OPT_MANDATORY 0x0001
#define CONFIG_OPT_MULTI 0x0002
/* valid flag part */
#define CONFIG_FLAG_VAL_PROTECTED (1<<0)
struct config_entry {
char key[CONFIG_KEY_LEN]; /* name of config directive */
uint8_t type; /* type; see above */
uint8_t options; /* options; see above */
uint8_t hit; /* found? */
uint8_t flag; /* tune setup of option */
union {
char string[CONFIG_VAL_STRING_LEN];
int value;
int (*parser)(const char *argstr);
} u;
};
struct config_keyset {
unsigned int num_ces;
struct config_entry ces[];
};
/* if an error occurs, config_errce is set to the erroneous ce */
extern struct config_entry *config_errce;
/* tell us the name of the config file */
int config_register_file(const char *file);
/* parse the config file */
int config_parse_file(const char *section, struct config_keyset *kset);
/* release ressource allocated by config file handling */
void config_stop();
#endif /* ifndef _CONFFILE_H */
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