Function main

devtools/convert-gossmap.c:62–94

}

int main(int argc, char *argv[])
{
	u8 oldversion, version;
	struct gossip_hdr hdr;

	setup_locale();
	if (!read_all(STDIN_FILENO, &oldversion, sizeof(oldversion)))
		errx(1, "Empty file");

	if (GOSSIP_STORE_MAJOR_VERSION(oldversion) != GSTORE_MAJOR)
		errx(1, "Unsupported major gossip_version %u (expected %u)",
		      GOSSIP_STORE_MAJOR_VERSION(oldversion), GSTORE_MAJOR);

	version = ((GSTORE_MAJOR << 5) | GSTORE_MINOR);
	if (!write_all(STDOUT_FILENO, &version, sizeof(version)))
		err(1, "Write error");

	while (read_all(STDIN_FILENO, &hdr, sizeof(hdr))) {
		u8 *msg;
		msg = tal_arr(NULL, u8, be16_to_cpu(hdr.len));
		if (!read_all(STDIN_FILENO, msg, tal_bytelen(msg)))
			err(1, "truncated file");
		if (!upgrade_field(oldversion, &hdr.flags, &msg))
			errx(1, "Cannot upgrade from version %u", oldversion);
		if (msg) {
			if (!write_all(STDOUT_FILENO, &hdr, sizeof(hdr))
			    || !write_all(STDOUT_FILENO, msg, tal_bytelen(msg)))
				err(1, "Write error");
			tal_free(msg);
		}
	}
	return 0;
}