Differential D10447 Diff 33210 sys/boot/efi/libefi/devpath.c

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sys/boot/efi/libefi/devpath.c

Show First 20 Lines • Show All 79 Lines • ▼ Show 20 Lines	if (textProtocol == NULL)
return (NULL);		return (NULL);

return (textProtocol->ConvertDevicePathToText(devpath, TRUE, TRUE));		return (textProtocol->ConvertDevicePathToText(devpath, TRUE, TRUE));
}		}

void		void
efi_free_devpath_name(CHAR16 *text)		efi_free_devpath_name(CHAR16 *text)
{		{

BS->FreePool(text);		BS->FreePool(text);
}		}

EFI_DEVICE_PATH *		EFI_DEVICE_PATH *
efi_devpath_last_node(EFI_DEVICE_PATH *devpath)		efi_devpath_last_node(EFI_DEVICE_PATH *devpath)
{		{

if (IsDevicePathEnd(devpath))		if (IsDevicePathEnd(devpath))
▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines	while (1) {

if (memcmp(devpath1, devpath2, (size_t)len) != 0)		if (memcmp(devpath1, devpath2, (size_t)len) != 0)
return (0);		return (0);

if (IsDevicePathEnd(devpath1))		if (IsDevicePathEnd(devpath1))
break;		break;
devpath1 = NextDevicePathNode(devpath1);		devpath1 = NextDevicePathNode(devpath1);
devpath2 = NextDevicePathNode(devpath2);		devpath2 = NextDevicePathNode(devpath2);
		}
		return (1);
		}

		int
		efi_devpath_is_prefix(EFI_DEVICE_PATH prefix, EFI_DEVICE_PATH path)
		{
		int len;

		if (prefix == NULL \|\| path == NULL)
		return (0);

		while (1) {
		if (IsDevicePathEnd(prefix))
		break;

		if (DevicePathType(prefix) != DevicePathType(path) \|\|
		DevicePathSubType(prefix) != DevicePathSubType(path))
		return (0);

		len = DevicePathNodeLength(prefix);
		if (len != DevicePathNodeLength(path))
		return (0);

		if (memcmp(prefix, path, (size_t)len) != 0)
		return (0);

		prefix = NextDevicePathNode(prefix);
		path = NextDevicePathNode(path);
}		}
return (1);		return (1);
}		}