use types::c;

export type conn = opaque;

export @symbol("PQconnectdb") fn connectdb(conninfo: const *c::char) *conn;
export @symbol("PQfinish") fn finish(conn: *conn) void;

use types::c;

export @symbol("PQerrorMessage") fn errorMessage(conn: *conn) *c::char;

use types::c;

export @symbol("PQexec") fn exec(conn: *conn, query: *c::char) *result;

use types::c;

export type result = opaque;

export @symbol("PQclear") fn clear(res: *result) void;

export @symbol("PQnfields") fn nfields(res: *result) int;
export @symbol("PQfname") fn fname(res: *result, field_num: int) *c::char;
export @symbol("PQntuples") fn ntuples(res: *result) int;
export @symbol("PQgetvalue") fn getvalue(res: *result, tup_num: int, field_num: int) *c::char;
export @symbol("PQgetlength") fn getlength(res: *result, tup_num: int, field_num: int) int;

export @symbol("PQstatus") fn status(conn: *conn) ConnStatusType;

export type ConnStatusType = enum int {
	OK,
	BAD,

	STARTED,
	MADE,
	AWAITING_RESPONSE,

	AUTH_OK,

	SETENV,
	SSL_STARTUP,
	NEEDED,
	CHECK_WRITABLE,
	CONSUME,
	GSS_STARTUP,
	CHECK_TARGET,

	CHECK_STANDBY,
	ALLOCATED,
};