Function log_each_line_

lightningd/log.c:742–764

					   const u8 *, size_t), (arg))

static void log_each_line_(const struct log_book *log_book,
			   void (*func)(struct timerel time,
					enum log_level level,
					const struct node_id *node_id,
					const char *prefix,
					const char *log,
					size_t loglen,
					const u8 *io,
					size_t iolen,
					void *arg),
			   void *arg)
{
	size_t off = 0;
	const char *msg;
	const u8 *io;
	struct log_hdr l;

	while (get_log_entry(tmpctx, log_book, &l, &msg, &io, &off)) {
		func(time_between(l.time, log_book->init_time),
		     l.level, l.nc ? &l.nc->node_id : NULL,
		     l.prefix->prefix, msg, l.msglen, io, l.iolen, arg);
	}
}

struct log_data {
	int fd;