guile/libguile/r6rs-ports.h
Andreas Rottmann a6c377f7d8 Add get-string-n' and get-string-n!' for R6RS ports
* libguile/r6rs-ports.c (scm_get_string_n_x): Implement `get-string-n!'
  in C for efficiency.
* libguile/r6rs-ports.h: Add prototype for this function.
* module/ice-9/binary-ports.scm: Export `get-string-n!'.

* module/rnrs/io/ports.scm (get-string-n): Implement based on
  `get-string-n!'.
  Export both `get-string-n!' and `get-string-n'.
* module/rnrs.scm: Also export these.

* test-suite/tests/r6rs-ports.test (8.2.9 Textual input): Add a few
  tests for `get-string-n' and `get-string-n!'.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2011-03-13 22:39:14 +01:00

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#ifndef SCM_R6RS_PORTS_H
#define SCM_R6RS_PORTS_H
/* Copyright (C) 2009, 2010, 2011 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
*/
#include "libguile/__scm.h"
/* R6RS I/O Ports. */
SCM_API SCM scm_eof_object (void);
SCM_API SCM scm_open_bytevector_input_port (SCM, SCM);
SCM_API SCM scm_make_custom_binary_input_port (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_get_u8 (SCM);
SCM_API SCM scm_lookahead_u8 (SCM);
SCM_API SCM scm_get_bytevector_n (SCM, SCM);
SCM_API SCM scm_get_bytevector_n_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_get_bytevector_some (SCM);
SCM_API SCM scm_get_bytevector_all (SCM);
SCM_API SCM scm_put_u8 (SCM, SCM);
SCM_API SCM scm_put_bytevector (SCM, SCM, SCM, SCM);
SCM_API SCM scm_open_bytevector_output_port (SCM);
SCM_API SCM scm_make_custom_binary_output_port (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_get_string_n_x (SCM, SCM, SCM, SCM);
SCM_API void scm_init_r6rs_ports (void);
SCM_INTERNAL void scm_register_r6rs_ports (void);
#endif /* SCM_R6RS_PORTS_H */