64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/* Copyright (C) 2002, 2003, 2004, 2005
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Free Software Foundation, Inc.
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Contributed by Andy Vaught
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This file is part of the GNU Fortran 95 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 2, or (at your option)
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any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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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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You should have received a copy of the GNU General Public License
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along with Libgfortran; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* Unix stream I/O module */
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#define BUFFER_SIZE 8192
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typedef struct
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{
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stream st;
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int fd;
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gfc_offset buffer_offset; /* File offset of the start of the buffer */
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gfc_offset physical_offset; /* Current physical file offset */
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gfc_offset logical_offset; /* Current logical file offset */
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gfc_offset dirty_offset; /* Start of modified bytes in buffer */
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gfc_offset file_length; /* Length of the file, -1 if not seekable. */
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char *buffer;
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int len; /* Physical length of the current buffer */
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int active; /* Length of valid bytes in the buffer */
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int prot;
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int ndirty; /* Dirty bytes starting at dirty_offset */
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int special_file; /* =1 if the fd refers to a special file */
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unsigned unbuffered:1;
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char small_buffer[BUFFER_SIZE];
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}
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unix_stream;
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extern stream *init_error_stream (unix_stream *);
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internal_proto(init_error_stream);
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