* NEWS: Add new feature. * doc/ref/r6rs.texi (rnrs io ports): * doc/ref/api-io.texi (Custom Ports): Document new procedure. * libguile/r6rs-ports.h: * libguile/r6rs-ports.c (make_custom_binary_input_output_port) (scm_make_custom_binary_input_output_port) (custom_binary_input_output_port_random_access_p) (initialize_custom_binary_input_output_ports) (scm_init_r6rs_ports): Implement custom binary input/output ports. * module/rnrs/io/ports.scm (rnrs): * module/ice-9/binary-ports.scm (ice-9): Export make-custom-binary-input/output-port.
52 lines
1.9 KiB
Scheme
52 lines
1.9 KiB
Scheme
;;;; binary-ports.scm --- Binary IO on ports
|
|
|
|
;;;; Copyright (C) 2009, 2010, 2011, 2013 Free Software Foundation, Inc.
|
|
;;;;
|
|
;;;; This library is free software; you can redistribute it and/or
|
|
;;;; modify it under the terms of the GNU Lesser General Public
|
|
;;;; License as published by the Free Software Foundation; either
|
|
;;;; version 3 of the License, or (at your option) any later version.
|
|
;;;;
|
|
;;;; This library is distributed in the hope that it will be useful,
|
|
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
;;;; Lesser General Public License for more details.
|
|
;;;;
|
|
;;;; You should have received a copy of the GNU Lesser General Public
|
|
;;;; License along with this library; if not, write to the Free Software
|
|
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
;;; Author: Ludovic Courtès <ludo@gnu.org>
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; The I/O port API of the R6RS is provided by this module. In many areas
|
|
;;; it complements or refines Guile's own historical port API. For instance,
|
|
;;; it allows for binary I/O with bytevectors.
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define-module (ice-9 binary-ports)
|
|
#:use-module (rnrs bytevectors)
|
|
#:export (eof-object
|
|
open-bytevector-input-port
|
|
make-custom-binary-input-port
|
|
get-u8
|
|
lookahead-u8
|
|
get-bytevector-n
|
|
get-bytevector-n!
|
|
get-bytevector-some
|
|
get-bytevector-all
|
|
get-string-n!
|
|
put-u8
|
|
put-bytevector
|
|
unget-bytevector
|
|
open-bytevector-output-port
|
|
make-custom-binary-output-port
|
|
make-custom-binary-input/output-port))
|
|
|
|
;; Note that this extension also defines %make-transcoded-port, which is
|
|
;; not exported but is used by (rnrs io ports).
|
|
|
|
(load-extension (string-append "libguile-" (effective-version))
|
|
"scm_init_r6rs_ports")
|