doc/ 2007-08-09 Marcus Brinkmann <marcus@g10code.de>

• assuan.texi (External I/O Loop): New chapter.

src/
2007-08-09 Marcus Brinkmann <marcus@g10code.de>

• assuan.h (assuan_process_done, assuan_inquire_ext): New

prototypes.

• assuan-defs.h (struct assuan_context_s): New members

in_process_next, in_command, inquire_cb, inquire_cb_data,
inquire_r_buffer, inquire_r_buffer_len, inquire_membuf.
(_assuan_inquire_ext_cb, _assuan_inquire_release): New prototypes.

• assuan-handler.c (PROCESS_DONE): New macro.

(dummy_handler, std_handler_nop, std_handler_cancel)
(std_handler_option, std_handler_bye, std_handler_auth)
(std_handler_reset, std_handler_end): Use PROCESS_DONE to
optionally call assuan_process_done if CTX->in_process_next is
true.
(assuan_process_done, process_next): New functions.
(assuan_process_next): Rewritten to support external event
handling.

• mkerrors: Do not clear high bits of -1 for old style EOF.
• assuan-inquire.c (_assuan_inquire_release)

(_assuan_inquire_ext_cb, assuan_inquire_ext): New functions.

• assuan-pipe-server.c (_assuan_release_context): Call

_assuan_inquire_release.