Function main

src/bin/scripts/pg_isready.c:22–222

			help(const char *progname);

int
main(int argc, char **argv)
{
	int			c;

	const char *progname;

	const char *pghost = NULL;
	const char *pgport = NULL;
	const char *pguser = NULL;
	const char *pgdbname = NULL;
	const char *connect_timeout = DEFAULT_CONNECT_TIMEOUT;

	const char *pghost_str = NULL;
	const char *pghostaddr_str = NULL;
	const char *pgport_str = NULL;

#define PARAMS_ARRAY_SIZE	7

	const char *keywords[PARAMS_ARRAY_SIZE];
	const char *values[PARAMS_ARRAY_SIZE];

	bool		quiet = false;

	PGPing		rv;
	PQconninfoOption *opts = NULL;
	PQconninfoOption *defs = NULL;
	PQconninfoOption *opt;
	PQconninfoOption *def;
	char	   *errmsg = NULL;

	/*
	 * We accept user and database as options to avoid useless errors from
	 * connecting with invalid params
	 */

	static struct option long_options[] = {
		{"dbname", required_argument, NULL, 'd'},
		{"host", required_argument, NULL, 'h'},
		{"port", required_argument, NULL, 'p'},
		{"quiet", no_argument, NULL, 'q'},
		{"timeout", required_argument, NULL, 't'},
		{"username", required_argument, NULL, 'U'},
		{NULL, 0, NULL, 0}
	};

	pg_logging_init(argv[0]);
	progname = get_progname(argv[0]);
	set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts"));
	handle_help_version_opts(argc, argv, progname, help);

	while ((c = getopt_long(argc, argv, "d:h:p:qt:U:", long_options, NULL)) != -1)
	{
		switch (c)
		{
			case 'd':
				pgdbname = pg_strdup(optarg);
				break;