171 lines
4.4 KiB
C
171 lines
4.4 KiB
C
/* Copyright (C) 2009
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Free Software Foundation, Inc.
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Contributed by Janne Blomqvist
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This file is part of the GNU Fortran runtime library (libgfortran).
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Libgfortran 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 3, or (at your option)
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any later version.
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Libgfortran 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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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef GFOR_UNIX_H
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#define GFOR_UNIX_H
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#include "io.h"
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struct stream
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{
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ssize_t (*read) (struct stream *, void *, ssize_t);
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ssize_t (*write) (struct stream *, const void *, ssize_t);
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gfc_offset (*seek) (struct stream *, gfc_offset, int);
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gfc_offset (*tell) (struct stream *);
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/* Avoid keyword truncate due to AIX namespace collision. */
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int (*trunc) (struct stream *, gfc_offset);
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int (*flush) (struct stream *);
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int (*close) (struct stream *);
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};
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/* Inline functions for doing file I/O given a stream. */
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static inline ssize_t
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sread (stream * s, void * buf, ssize_t nbyte)
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{
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return s->read (s, buf, nbyte);
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}
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static inline ssize_t
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swrite (stream * s, const void * buf, ssize_t nbyte)
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{
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return s->write (s, buf, nbyte);
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}
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static inline gfc_offset
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sseek (stream * s, gfc_offset offset, int whence)
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{
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return s->seek (s, offset, whence);
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}
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static inline gfc_offset
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stell (stream * s)
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{
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return s->tell (s);
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}
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static inline int
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struncate (stream * s, gfc_offset length)
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{
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return s->trunc (s, length);
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}
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static inline int
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sflush (stream * s)
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{
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return s->flush (s);
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}
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static inline int
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sclose (stream * s)
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{
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return s->close (s);
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}
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extern int compare_files (stream *, stream *);
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internal_proto(compare_files);
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extern stream *open_external (st_parameter_open *, unit_flags *);
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internal_proto(open_external);
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extern stream *open_internal (char *, int, gfc_offset);
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internal_proto(open_internal);
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extern char * mem_alloc_w (stream *, int *);
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internal_proto(mem_alloc_w);
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extern char * mem_alloc_r (stream *, int *);
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internal_proto(mem_alloc_w);
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extern stream *input_stream (void);
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internal_proto(input_stream);
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extern stream *output_stream (void);
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internal_proto(output_stream);
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extern stream *error_stream (void);
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internal_proto(error_stream);
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extern int compare_file_filename (gfc_unit *, const char *, int);
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internal_proto(compare_file_filename);
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extern gfc_unit *find_file (const char *file, gfc_charlen_type file_len);
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internal_proto(find_file);
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extern int delete_file (gfc_unit *);
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internal_proto(delete_file);
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extern int file_exists (const char *file, gfc_charlen_type file_len);
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internal_proto(file_exists);
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extern const char *inquire_sequential (const char *, int);
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internal_proto(inquire_sequential);
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extern const char *inquire_direct (const char *, int);
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internal_proto(inquire_direct);
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extern const char *inquire_formatted (const char *, int);
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internal_proto(inquire_formatted);
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extern const char *inquire_unformatted (const char *, int);
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internal_proto(inquire_unformatted);
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extern const char *inquire_read (const char *, int);
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internal_proto(inquire_read);
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extern const char *inquire_write (const char *, int);
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internal_proto(inquire_write);
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extern const char *inquire_readwrite (const char *, int);
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internal_proto(inquire_readwrite);
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extern gfc_offset file_length (stream *);
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internal_proto(file_length);
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extern int is_seekable (stream *);
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internal_proto(is_seekable);
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extern int is_special (stream *);
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internal_proto(is_special);
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extern void flush_if_preconnected (stream *);
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internal_proto(flush_if_preconnected);
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extern void empty_internal_buffer(stream *);
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internal_proto(empty_internal_buffer);
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extern int stream_isatty (stream *);
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internal_proto(stream_isatty);
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extern char * stream_ttyname (stream *);
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internal_proto(stream_ttyname);
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extern int unpack_filename (char *, const char *, int);
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internal_proto(unpack_filename);
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#endif
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