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81 lines
3.4 KiB
C
81 lines
3.4 KiB
C
/* classes: h_files */
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#ifndef FPORTSH
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#define FPORTSH
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/* Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
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/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
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gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
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#include "libguile/__scm.h"
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#include "libguile/ports.h"
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/* struct allocated for each buffered FPORT. */
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struct scm_fport {
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int fdes; /* file descriptor. */
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};
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#define SCM_FSTREAM(x) ((struct scm_fport *) SCM_STREAM (x))
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#define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes)
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#define SCM_FPORTP(x) (SCM_NIMP(x) && (SCM_TYP16S(x)==scm_tc7_port))
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#define SCM_OPFPORTP(x) (SCM_NIMP(x) && (((0xfeff | SCM_OPN) & SCM_UNPACK_CAR (x))==(scm_tc7_port | SCM_OPN)))
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#define SCM_OPINFPORTP(x) (SCM_NIMP(x) && (((0xfeff | SCM_OPN | SCM_RDNG) & SCM_UNPACK_CAR (x))==(scm_tc7_port | SCM_OPN | SCM_RDNG)))
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#define SCM_OPOUTFPORTP(x) (SCM_NIMP(x) && (((0xfeff | SCM_OPN | SCM_WRTNG) & SCM_UNPACK_CAR (x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
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/* test whether fdes supports random access. */
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#define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1)
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extern SCM scm_setbuf0 (SCM port);
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extern SCM scm_setvbuf (SCM port, SCM mode, SCM size);
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extern void scm_setfileno (FILE *fs, int fd);
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extern void scm_evict_ports (int fd);
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extern SCM scm_open_file (SCM filename, SCM modes);
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extern SCM scm_fdes_to_port (int fdes, char *mode, SCM name);
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extern void scm_init_fports (void);
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#endif /* FPORTSH */
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