Type Alias libosdp_sys::osdp_log_callback_fn_t

pub type osdp_log_callback_fn_t = Option<unsafe extern "C" fn(log_level: c_int, file: *const c_char, line: c_ulong, msg: *const c_char)>;

@brief A callback function to be used with external loggers

@param log_level A syslog style log level. See enum osdp_log_level_e @param file Relative path to file which produced the log message @param line Line number in file which produced the log message @param msg The log message

Aliased Type

enum osdp_log_callback_fn_t {
    None,
    Some(unsafe extern "C" fn(_: i32, _: *const i8, _: u32, _: *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: i32, _: *const i8, _: u32, _: *const i8))

Some value of type T.