C++ (Cpp) chd_get_error_stringの例

コード例 #1

ファイル: chd_cd.c プロジェクト: bji/libmame

static DEVICE_IMAGE_LOAD(cdrom)
{
	dev_cdrom_t	*cdrom = get_safe_token(&image.device());
	chd_error	err = (chd_error)0;
	chd_file	*chd = NULL;
	astring tempstring;

	if (image.software_entry() == NULL)
	{
		err = chd_open_file( image.image_core_file(), CHD_OPEN_READ, NULL, &chd );	/* CDs are never writeable */
		if ( err )
			goto error;
	} else {
		chd  = get_disk_handle(image.device().machine, image.device().subtag(tempstring,"cdrom"));
	}

	/* open the CHD file */
	cdrom->cdrom_handle = cdrom_open( chd );
	if ( ! cdrom->cdrom_handle )
		goto error;

	return IMAGE_INIT_PASS;

error:
	if ( chd )
		chd_close( chd );
	if ( err )
		image.seterror( IMAGE_ERROR_UNSPECIFIED, chd_get_error_string( err ) );
	return IMAGE_INIT_FAIL;
}

コード例 #2

ファイル: chd_cd.c プロジェクト: broftkd/historic-mess

static int internal_load_mess_cd(mess_image *image, const char *metadata)
{
	chd_error err = 0;
	struct mess_cd *cd;
	chd_file *chd;
	int id = image_index_in_device(image);

	cd = get_drive(image);

	/* open the CHD file */
	err = chdcd_open_ref(image, CHD_OPEN_READ, NULL, &chd);	/* CDs are never writable */
	if (err)
		goto error;

	/* open the CD-ROM file */
	cd->cdrom_handle = cdrom_open(chd);
	if (!cd->cdrom_handle)
		goto error;

	drive_handles[id] = cd->cdrom_handle;
	return INIT_PASS;

error:
	if (chd)
		chd_close(chd);
	if (err)
		image_seterror(image, IMAGE_ERROR_UNSPECIFIED, chd_get_error_string(err));
	return INIT_FAIL;
}

コード例 #3

ファイル: harddriv.c プロジェクト: BirchJD/xmame-0.103-RPi

static int internal_load_mess_hd(mess_image *image, const char *metadata)
{
	int err = 0;
	struct mess_hd *hd;
	chd_file *chd;
	int is_writeable;
	int id = image_index_in_device(image);

	hd = get_drive(image);

	/* open the CHD file */
	do
	{
		is_writeable = image_is_writable(image);
		chd = chd_open_ref(image, is_writeable, NULL);

		if (!chd)
		{
			err = chd_get_last_error();

			/* special case; if we get CHDERR_FILE_NOT_WRITEABLE, make the
			 * image read only and repeat */
			if (err == CHDERR_FILE_NOT_WRITEABLE)
				image_make_readonly(image);
		}
	}
	while(!chd && is_writeable && (err == CHDERR_FILE_NOT_WRITEABLE));
	if (!chd)
		goto error;

	/* if we created the image and hence, have metadata to set, set the metadata */
	if (metadata)
	{
		err = chd_set_metadata(chd, HARD_DISK_STANDARD_METADATA, 0, metadata, strlen(metadata) + 1);
		if (err != CHDERR_NONE)
			goto error;
	}

	/* open the hard disk file */
	hd->hard_disk_handle = hard_disk_open(chd);
	if (!hd->hard_disk_handle)
		goto error;

	drive_handles[id] = hd->hard_disk_handle;

	return INIT_PASS;

error:
	if (chd)
		chd_close(chd);

	err = chd_get_last_error();
	if (err)
		image_seterror(image, IMAGE_ERROR_UNSPECIFIED, chd_get_error_string(err));
	return INIT_FAIL;
}

コード例 #4

ファイル: harddriv.c プロジェクト: bdidier/MAME-OS-X

int harddisk_image_device::internal_load_hd(const char *metadata)
{
	chd_error		err = (chd_error)0;
	int				is_writeable;

	/* open the CHD file */
	do
	{
		is_writeable = !is_readonly();
		m_chd = NULL;
		err = chd_open_file(image_core_file(), is_writeable ? CHD_OPEN_READWRITE : CHD_OPEN_READ, NULL, &m_chd);

		/* special case; if we get CHDERR_FILE_NOT_WRITEABLE, make the
         * image read only and repeat */
		if (err == CHDERR_FILE_NOT_WRITEABLE)
			make_readonly();
	}
	while(!m_chd && is_writeable && (err == CHDERR_FILE_NOT_WRITEABLE));
	if (!m_chd)
		goto done;

	/* if we created the image and hence, have metadata to set, set the metadata */
	if (metadata)
	{
		err = chd_set_metadata(m_chd, HARD_DISK_METADATA_TAG, 0, metadata, strlen(metadata) + 1, 0);
		if (err != CHDERR_NONE)
			goto done;
	}

	/* open the hard disk file */
	m_hard_disk_handle = hard_disk_open(m_chd);
	if (!m_hard_disk_handle)
		goto done;

done:
	if (err)
	{
		/* if we had an error, close out the CHD */
		if (m_chd != NULL)
		{
			chd_close(m_chd);
			m_chd = NULL;
		}

		seterror(IMAGE_ERROR_UNSPECIFIED, chd_get_error_string(err));
	}
	return err ? IMAGE_INIT_FAIL : IMAGE_INIT_PASS;
}