2007-01-18 Marcus Brinkmann <marcus@g10code.de>

2007-01-18  Marcus Brinkmann  <marcus@g10code.de>

	* data.h (_gpgme_data_get_fd): Add prototype.
	(gpgme_data_get_fd_cb): New type.
	(struct _gpgme_data_cbs): New member get_fd.
	* data.c (_gpgme_data_get_fd): New function.
	* data-fd.c (fd_get_fd): New function.
	(fd_cbs): Add fd_get_fd.
	* data-stream.c (stream_get_fd): New function.
	(stream_cbs): Add stream_get_fd.
	* data-mem.c (mem_cbs): Add NULL for get_fd callback.
	* data-user.c (user_cbs): Likewise.
	* engine-gpgsm.c (gpgsm_set_fd) [USE_DESCRIPTOR_PASSING]: Try to
	short-cut by passing the data descriptor directly.