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#ifndef UTILS_H
#define UTILS_H 1
#include <stdarg.h>
#include <stdint.h>
#include <sys/types.h>
#define WARN_UNUSED __attribute__((__warn_unused_result__))
#define INI_MAX_SECTION 50
#define INI_MAX_NAME 50
#define CMDARG_STR(_default_value) \
{.is_set = 0, .type = CMDTYPE_STRING, .string.value = NULL, .string.default_value = (_default_value)}
#define CMDARG_BOOL(_default_value) \
{.is_set = 0, .type = CMDTYPE_BOOLEAN, .boolean.value = 0, .boolean.default_value = (_default_value)}
#define CMDARG_ULL(_default_value) \
{.is_set = 0, .type = CMDTYPE_ULL, .ull.value = 0ull, .ull.default_value = (_default_value)}
#define CONFOPT(_key, _opt) {.key = _key, .opt = _opt}
#define GET_CMDARG_STR(cmdarg) ((cmdarg).string.value)
#define GET_CMDARG_BOOL(cmdarg) ((cmdarg).boolean.value)
#define GET_CMDARG_ULL(cmdarg) ((cmdarg).ull.value)
#define IS_CMDARG_SET(cmdarg) ((cmdarg).is_set)
enum cmdtype
{
CMDTYPE_INVALID = 0,
CMDTYPE_STRING,
CMDTYPE_BOOLEAN,
CMDTYPE_ULL
};
struct cmdarg
{
enum cmdtype type;
int is_set;
union
{
struct
{
char * value;
char const * const default_value;
} string;
struct
{
uint8_t value;
uint8_t const default_value;
} boolean;
struct
{
unsigned long long int value;
unsigned long long int const default_value;
} ull;
};
};
struct confopt
{
char const * const key;
struct cmdarg * const opt;
};
typedef int (*config_line_callback)(
int lineno, char const * const section, char const * const key, char const * const value, void * const user_data);
void set_config_defaults(struct confopt * const co_array, size_t array_length);
WARN_UNUSED
int set_config_from(struct confopt * const co, char const * const from);
void set_cmdarg_string(struct cmdarg * const ca, char const * const val);
void set_cmdarg_boolean(struct cmdarg * const ca, uint8_t val);
void set_cmdarg_ull(struct cmdarg * const ca, unsigned long long int val);
WARN_UNUSED
int is_path_absolute(char const * const prefix, char const * const path);
void daemonize_enable(void);
WARN_UNUSED
int is_daemonize_enabled(void);
WARN_UNUSED
int daemonize_with_pidfile(char const * const pidfile);
int daemonize_shutdown(char const * const pidfile);
WARN_UNUSED
int change_user_group(char const * const user, char const * const group, char const * const pidfile);
WARN_UNUSED
int chmod_chown(char const * const path, mode_t mode, char const * const user, char const * const group);
void init_logging(char const * const daemon_name);
void log_app_info(void);
void shutdown_logging(void);
WARN_UNUSED
int enable_file_logger(char const * const log_file);
WARN_UNUSED
int get_log_file_fd(void);
void enable_console_logger(void);
WARN_UNUSED
int is_console_logger_enabled(void);
void vlogger(int is_error, char const * const format, va_list ap);
__attribute__((format(printf, 2, 3))) void logger(int is_error, char const * const format, ...);
__attribute__((format(printf, 2, 3))) void logger_early(int is_error, char const * const format, ...);
WARN_UNUSED
int set_fd_cloexec(int fd);
WARN_UNUSED
char const * get_nDPId_version(void);
WARN_UNUSED
int parse_config_file(char const * const config_file, config_line_callback cb, void * const user_data);
#endif
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