Function main

tools/headerversions.c:58–87

	"}\n";

int main(int argc, char *argv[])
{
	char *file, *new;

	/* We don't bother with setup_locale(); we're a build tool */
	err_set_progname(argv[0]);

	if (argc != 2)
		errx(1, "Usage: %s <versionheader>", argv[0]);

	file = grab_file(NULL, argv[1]);
	if (!file && errno != ENOENT)
		err(1, "Reading %s", argv[1]);

	new = tal_fmt(NULL, template,
		      gmp_version,
		      IF_SQLITE3(sqlite3_libversion_number(),)
		      zlibVersion());
	if (!file || !streq(new, file)) {
		int fd = open(argv[1], O_TRUNC|O_WRONLY|O_CREAT, 0666);
		if (fd < 0)
			err(1, "Writing %s", argv[1]);
		if (!write_all(fd, new, strlen(new)))
			err(1, "Writing to %s", argv[1]);
		close(fd);
	}
	tal_free(new);
	tal_free(file);
	return 0;
}