2002-11-20 Neal H. Walfield <neal@g10code.de>

• assuan-defs.h (struct assuan_io): New structure.

(struct assuan_context_s): New field, io.
(_assuan_read): Depreciated.
(_assuan_write): Likewise.

• assuan-pipe-server.c: Include <unistd.h>.

(pipe_reader): New function.
(pipe_writer): Likewise.
(_assuan_new_context.IO): New local static. Set to pipe_reader
and pipe_writer. Use it to initialize new context.

• assuan-socket-connect.c (socket_reader): New function.

(socket_writer): New function.
(assuan_socket_connect.IO): New local static. Set to socket_reader
and socket_writer. Use it to initialize new context.

• assuan-buffer.c (writen): Take an ASSUAN_CONTEXT rather than a

file descriptor. Do not use _assuan_write but the write method
in the supplied context.
(readline): Likewise for _assuan_read.
(assuan_write_line): When calling writen, pass CTX; not the file
descriptor directly.
(_assuan_cookie_write_data): Likewise.
(_assuan_cookie_write_flush): Likewise.
(_assuan_read_line): Likewise for readline.

• Makefile.am (libassuan_a_SOURCES): Remove assuan-io.c.
• assuan-io.c: Removed.