mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 11:50:28 +02:00
71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/* classes: h_files */
|
||
|
||
#ifndef SCM_FPORTS_H
|
||
#define SCM_FPORTS_H
|
||
|
||
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2006, 2008 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 2.1 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"
|
||
|
||
#include "libguile/ports.h"
|
||
|
||
|
||
|
||
/* struct allocated for each buffered FPORT. */
|
||
typedef struct scm_t_fport {
|
||
int fdes; /* file descriptor. */
|
||
} scm_t_fport;
|
||
|
||
SCM_API scm_t_bits scm_tc16_fport;
|
||
|
||
#define SCM_FSTREAM(x) ((scm_t_fport *) SCM_STREAM (x))
|
||
#define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes)
|
||
|
||
#define SCM_FPORTP(x) (!SCM_IMP (x) && (SCM_TYP16 (x) == scm_tc16_fport))
|
||
#define SCM_OPFPORTP(x) (SCM_FPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_OPN))
|
||
#define SCM_OPINFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_RDNG))
|
||
#define SCM_OPOUTFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_WRTNG))
|
||
|
||
/* test whether fdes supports random access. */
|
||
#define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1)
|
||
|
||
|
||
SCM_API SCM scm_setbuf0 (SCM port);
|
||
SCM_API SCM scm_setvbuf (SCM port, SCM mode, SCM size);
|
||
SCM_API void scm_evict_ports (int fd);
|
||
SCM_API SCM scm_open_file (SCM filename, SCM modes);
|
||
SCM_API SCM scm_fdes_to_port (int fdes, char *mode, SCM name);
|
||
SCM_API SCM scm_file_port_p (SCM obj);
|
||
SCM_INTERNAL void scm_init_fports (void);
|
||
|
||
/* internal functions */
|
||
|
||
SCM_INTERNAL SCM scm_i_fdes_to_port (int fdes, long mode_bits, SCM name);
|
||
SCM_INTERNAL int scm_i_fport_truncate (SCM, SCM);
|
||
SCM_INTERNAL SCM scm_i_fport_seek (SCM, SCM, int);
|
||
|
||
|
||
#endif /* SCM_FPORTS_H */
|
||
|
||
/*
|
||
Local Variables:
|
||
c-file-style: "gnu"
|
||
End:
|
||
*/
|