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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgfortran/] [io/] [unix.h] - Rev 766
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/* Copyright (C) 2009, 2010 Free Software Foundation, Inc. Contributed by Janne Blomqvist This file is part of the GNU Fortran runtime library (libgfortran). Libgfortran is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. Libgfortran 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 General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #ifndef GFOR_UNIX_H #define GFOR_UNIX_H #include "io.h" struct stream { ssize_t (*read) (struct stream *, void *, ssize_t); ssize_t (*write) (struct stream *, const void *, ssize_t); gfc_offset (*seek) (struct stream *, gfc_offset, int); gfc_offset (*tell) (struct stream *); gfc_offset (*size) (struct stream *); /* Avoid keyword truncate due to AIX namespace collision. */ int (*trunc) (struct stream *, gfc_offset); int (*flush) (struct stream *); int (*close) (struct stream *); }; /* Inline functions for doing file I/O given a stream. */ static inline ssize_t sread (stream * s, void * buf, ssize_t nbyte) { return s->read (s, buf, nbyte); } static inline ssize_t swrite (stream * s, const void * buf, ssize_t nbyte) { return s->write (s, buf, nbyte); } static inline gfc_offset sseek (stream * s, gfc_offset offset, int whence) { return s->seek (s, offset, whence); } static inline gfc_offset stell (stream * s) { return s->tell (s); } static inline gfc_offset ssize (stream * s) { return s->size (s); } static inline int struncate (stream * s, gfc_offset length) { return s->trunc (s, length); } static inline int sflush (stream * s) { return s->flush (s); } static inline int sclose (stream * s) { return s->close (s); } extern int compare_files (stream *, stream *); internal_proto(compare_files); extern stream *open_external (st_parameter_open *, unit_flags *); internal_proto(open_external); extern stream *open_internal (char *, int, gfc_offset); internal_proto(open_internal); extern stream *open_internal4 (char *, int, gfc_offset); internal_proto(open_internal4); extern char * mem_alloc_w (stream *, int *); internal_proto(mem_alloc_w); extern char * mem_alloc_r (stream *, int *); internal_proto(mem_alloc_r); extern gfc_char4_t * mem_alloc_w4 (stream *, int *); internal_proto(mem_alloc_w4); extern char * mem_alloc_r4 (stream *, int *); internal_proto(mem_alloc_r4); extern stream *input_stream (void); internal_proto(input_stream); extern stream *output_stream (void); internal_proto(output_stream); extern stream *error_stream (void); internal_proto(error_stream); extern int compare_file_filename (gfc_unit *, const char *, int); internal_proto(compare_file_filename); extern gfc_unit *find_file (const char *file, gfc_charlen_type file_len); internal_proto(find_file); extern int delete_file (gfc_unit *); internal_proto(delete_file); extern int file_exists (const char *file, gfc_charlen_type file_len); internal_proto(file_exists); extern GFC_IO_INT file_size (const char *file, gfc_charlen_type file_len); internal_proto(file_size); extern const char *inquire_sequential (const char *, int); internal_proto(inquire_sequential); extern const char *inquire_direct (const char *, int); internal_proto(inquire_direct); extern const char *inquire_formatted (const char *, int); internal_proto(inquire_formatted); extern const char *inquire_unformatted (const char *, int); internal_proto(inquire_unformatted); extern const char *inquire_read (const char *, int); internal_proto(inquire_read); extern const char *inquire_write (const char *, int); internal_proto(inquire_write); extern const char *inquire_readwrite (const char *, int); internal_proto(inquire_readwrite); extern void flush_if_preconnected (stream *); internal_proto(flush_if_preconnected); extern int stream_isatty (stream *); internal_proto(stream_isatty); #ifndef TTY_NAME_MAX #ifdef _POSIX_TTY_NAME_MAX #define TTY_NAME_MAX _POSIX_TTY_NAME_MAX #else /* sysconf(_SC_TTY_NAME_MAX) = 32 which should be enough. */ #define TTY_NAME_MAX 32 #endif #endif extern int stream_ttyname (stream *, char *, size_t); internal_proto(stream_ttyname); extern int unpack_filename (char *, const char *, int); internal_proto(unpack_filename); #endif
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