#include <mysql.h>
#include <stdio.h>
#include <stdlib.h>

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

	MYSQL *mysql;
	int i, count;
	const char *host;
	unsigned int port;
	const char *user;
	const char *passwd;

	if (argc != 6) {
		printf("Usage: %s count host port user passwd\n", argv[0]);
		return 1;
	}

	count = atoi(argv[1]);
	host = argv[2];
	port = atoi(argv[3]);
	user = argv[4];
	passwd = argv[5];

	for (i = 0; i < count; ++i) {

		if (mysql_library_init(-1, NULL, NULL) != 0) {
			printf("mysql_library_init failed");
			return 1;
		}

		mysql = mysql_init(NULL);
		if (!mysql) {
			printf("mysql_init failed");
			return 1;
		}

		if (!mysql_real_connect(mysql, host, user, passwd, NULL, port, NULL, 0)) {
			printf("mysql_real_connect failed: %s\n", mysql_error(mysql));
			return 1;
		}

		if (mysql_query(mysql, "SELECT NULL LIMIT 0") != 0) {
			printf("mysql_query failed: %s\n", mysql_error(mysql));
			return 1;
		}

		mysql_close(mysql);
		mysql_library_end();

	}

	return 0;

}