Function API_ROUTINE isc_attach_database

src/yvalve/why.cpp:1633–1667

Attach a database through the first subsystem that recognizes it.

// Attach a database through the first subsystem that recognizes it.
ISC_STATUS API_ROUTINE isc_attach_database(ISC_STATUS* userStatus, SSHORT fileLength,
	const TEXT* filename, isc_db_handle* publicHandle, SSHORT dpbLength, const SCHAR* dpb)
{
	StatusVector status(userStatus);
	CheckStatusWrapper statusWrapper(&status);

	try
	{
		nullCheck(publicHandle, isc_bad_db_handle);

		if (!filename)
			status_exception::raise(Arg::Gds(isc_bad_db_format) << Arg::Str(""));

		PathName pathName(filename, fileLength ? fileLength : fb_strlen(filename));

		RefPtr<Dispatcher> dispatcher(FB_NEW Dispatcher);

		dispatcher->setDbCryptCallback(&statusWrapper, TLS_GET(legacyCryptCallback));
		if (status.getState() & IStatus::STATE_ERRORS)
			return status[1];

		YAttachment* attachment = dispatcher->attachDatabase(&statusWrapper, pathName.c_str(),
			static_cast<USHORT>(dpbLength), reinterpret_cast<const UCHAR*>(dpb));
		if (status.getState() & IStatus::STATE_ERRORS)
			return status[1];

		*publicHandle = attachment->getHandle();
	}
	catch (const Exception& e)
	{
		e.stuffException(&statusWrapper);
	}

	return status[1];
}


// Provide information on blob object.