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91 lines
3.3 KiB
C
91 lines
3.3 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, 2000, 2001 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., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 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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#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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typedef struct scm_t_fport {
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int fdes; /* file descriptor. */
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} scm_t_fport;
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#if (SCM_DEBUG_DEPRECATED == 0)
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# define scm_fport scm_t_fport
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#endif
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extern scm_t_bits scm_tc16_fport;
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#define SCM_FSTREAM(x) ((scm_t_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_IMP (x) && (SCM_TYP16 (x) == scm_tc16_fport))
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#define SCM_OPFPORTP(x) (SCM_FPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_OPN))
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#define SCM_OPINFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_RDNG))
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#define SCM_OPOUTFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & 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_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 SCM scm_file_port_p (SCM obj);
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extern void scm_init_fports (void);
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#endif /* FPORTSH */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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