2004-08-23 16:28:31 +02:00
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/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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2004-05-13 08:41:07 +02:00
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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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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, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "config.h"
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include "libgfortran.h"
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#include "io.h"
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static st_option access_opt[] = {
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{"sequential", ACCESS_SEQUENTIAL},
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{"direct", ACCESS_DIRECT},
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{NULL}
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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};
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static st_option action_opt[] =
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2004-05-13 08:41:07 +02:00
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{
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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{ "read", ACTION_READ},
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{ "write", ACTION_WRITE},
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{ "readwrite", ACTION_READWRITE},
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{ NULL}
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};
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2004-05-13 08:41:07 +02:00
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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static st_option blank_opt[] =
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2004-05-13 08:41:07 +02:00
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{
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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{ "null", BLANK_NULL},
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{ "zero", BLANK_ZERO},
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{ NULL}
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};
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2004-05-13 08:41:07 +02:00
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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static st_option delim_opt[] =
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2004-05-13 08:41:07 +02:00
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{
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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{ "none", DELIM_NONE},
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{ "apostrophe", DELIM_APOSTROPHE},
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{ "quote", DELIM_QUOTE},
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{ NULL}
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};
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2004-05-13 08:41:07 +02:00
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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static st_option form_opt[] =
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2004-05-13 08:41:07 +02:00
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{
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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{ "formatted", FORM_FORMATTED},
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{ "unformatted", FORM_UNFORMATTED},
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{ NULL}
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};
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2004-05-13 08:41:07 +02:00
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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static st_option position_opt[] =
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2004-05-13 08:41:07 +02:00
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{
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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{ "asis", POSITION_ASIS},
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{ "rewind", POSITION_REWIND},
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{ "append", POSITION_APPEND},
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{ NULL}
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};
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2004-05-13 08:41:07 +02:00
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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static st_option status_opt[] =
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2004-05-13 08:41:07 +02:00
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{
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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{ "unknown", STATUS_UNKNOWN},
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{ "old", STATUS_OLD},
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{ "new", STATUS_NEW},
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{ "replace", STATUS_REPLACE},
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{ "scratch", STATUS_SCRATCH},
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{ NULL}
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};
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2004-05-13 08:41:07 +02:00
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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static st_option pad_opt[] =
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2004-05-13 08:41:07 +02:00
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{
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c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
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{ "yes", PAD_YES},
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{ "no", PAD_NO},
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{ NULL}
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2004-05-13 08:41:07 +02:00
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};
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2004-08-23 16:28:31 +02:00
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/* Given a unit, test to see if the file is positioned at the terminal
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point, and if so, change state from NO_ENDFILE flag to AT_ENDFILE.
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This prevents us from changing the state from AFTER_ENDFILE to
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AT_ENDFILE. */
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2004-05-13 08:41:07 +02:00
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void
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re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
PR fortran/15234
* io/io.h (unit_t): Rename to ...
(gfc_unit) ... this.
(unit_root, current_unit, find_file, find_unit, get_unit): Now
of type gfc_unit.
(delete_file, insert_unit, close_unit): Argument now of type
gfc_unit.
* backspace.c (st_backspace), close.c (st_close), endfile.c
(st_endfile), inquire.c (inquire_via_unit, st_inquire), open.c
(test_endfile, edit_modes, new_unit, already_open, st_open),
rewind.c (st_rewind), transfer.c (current_unit), unit.c
(internal_unit, unit_cache, rotate_left, rotate_right, insert,
insert_unit, delete_root, delete_treap, delete_unit, find_unit,
get_unit, init_units, close_unit), unix.c (find_file0,
find_file, delete_file): Replace all occurences of unit_t by
gfc_unit.
From-SVN: r81903
2004-05-15 22:44:38 +02:00
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test_endfile (gfc_unit * u)
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2004-05-13 08:41:07 +02:00
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{
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if (u->endfile == NO_ENDFILE && file_length (u->s) == file_position (u->s))
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u->endfile = AT_ENDFILE;
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}
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2004-08-23 16:28:31 +02:00
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/* Change the modes of a file, those that are allowed * to be
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changed. */
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2004-05-13 08:41:07 +02:00
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static void
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re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
PR fortran/15234
* io/io.h (unit_t): Rename to ...
(gfc_unit) ... this.
(unit_root, current_unit, find_file, find_unit, get_unit): Now
of type gfc_unit.
(delete_file, insert_unit, close_unit): Argument now of type
gfc_unit.
* backspace.c (st_backspace), close.c (st_close), endfile.c
(st_endfile), inquire.c (inquire_via_unit, st_inquire), open.c
(test_endfile, edit_modes, new_unit, already_open, st_open),
rewind.c (st_rewind), transfer.c (current_unit), unit.c
(internal_unit, unit_cache, rotate_left, rotate_right, insert,
insert_unit, delete_root, delete_treap, delete_unit, find_unit,
get_unit, init_units, close_unit), unix.c (find_file0,
find_file, delete_file): Replace all occurences of unit_t by
gfc_unit.
From-SVN: r81903
2004-05-15 22:44:38 +02:00
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|
|
edit_modes (gfc_unit * u, unit_flags * flags)
|
2004-05-13 08:41:07 +02:00
|
|
|
{
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Complain about attempts to change the unchangeable. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (flags->status != STATUS_UNSPECIFIED &&
|
|
|
|
u->flags.status != flags->position)
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"Cannot change STATUS parameter in OPEN statement");
|
|
|
|
|
|
|
|
if (flags->access != ACCESS_UNSPECIFIED && u->flags.access != flags->access)
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"Cannot change ACCESS parameter in OPEN statement");
|
|
|
|
|
|
|
|
if (flags->form != FORM_UNSPECIFIED && u->flags.form != flags->form)
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"Cannot change FORM parameter in OPEN statement");
|
|
|
|
|
|
|
|
if (ioparm.recl_in != 0 && ioparm.recl_in != u->recl)
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"Cannot change RECL parameter in OPEN statement");
|
|
|
|
|
|
|
|
if (flags->action != ACTION_UNSPECIFIED && u->flags.access != flags->access)
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"Cannot change ACTION parameter in OPEN statement");
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Status must be OLD if present. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (flags->status != STATUS_UNSPECIFIED && flags->status != STATUS_OLD)
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"OPEN statement must have a STATUS of OLD");
|
|
|
|
|
|
|
|
if (u->flags.form == FORM_UNFORMATTED)
|
|
|
|
{
|
|
|
|
if (flags->delim != DELIM_UNSPECIFIED)
|
|
|
|
generate_error (ERROR_OPTION_CONFLICT,
|
|
|
|
"DELIM parameter conflicts with UNFORMATTED form in "
|
|
|
|
"OPEN statement");
|
|
|
|
|
|
|
|
if (flags->blank != BLANK_UNSPECIFIED)
|
|
|
|
generate_error (ERROR_OPTION_CONFLICT,
|
|
|
|
"BLANK parameter conflicts with UNFORMATTED form in "
|
|
|
|
"OPEN statement");
|
|
|
|
|
|
|
|
if (flags->pad != PAD_UNSPECIFIED)
|
|
|
|
generate_error (ERROR_OPTION_CONFLICT,
|
|
|
|
"PAD paramter conflicts with UNFORMATTED form in "
|
|
|
|
"OPEN statement");
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ioparm.library_return == LIBRARY_OK)
|
2004-08-23 16:28:31 +02:00
|
|
|
{
|
|
|
|
/* Change the changeable: */
|
2004-05-13 08:41:07 +02:00
|
|
|
if (flags->blank != BLANK_UNSPECIFIED)
|
|
|
|
u->flags.blank = flags->blank;
|
|
|
|
if (flags->delim != DELIM_UNSPECIFIED)
|
|
|
|
u->flags.delim = flags->delim;
|
|
|
|
if (flags->pad != PAD_UNSPECIFIED)
|
|
|
|
u->flags.pad = flags->pad;
|
|
|
|
}
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Reposition the file if necessary. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
switch (flags->position)
|
|
|
|
{
|
|
|
|
case POSITION_UNSPECIFIED:
|
|
|
|
case POSITION_ASIS:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case POSITION_REWIND:
|
|
|
|
if (sseek (u->s, 0) == FAILURE)
|
|
|
|
goto seek_error;
|
|
|
|
|
|
|
|
u->current_record = 0;
|
|
|
|
u->last_record = 0;
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
test_endfile (u); /* We might be at the end. */
|
2004-05-13 08:41:07 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case POSITION_APPEND:
|
|
|
|
if (sseek (u->s, file_length (u->s)) == FAILURE)
|
|
|
|
goto seek_error;
|
|
|
|
|
|
|
|
u->current_record = 0;
|
2004-08-23 16:28:31 +02:00
|
|
|
u->endfile = AT_ENDFILE; /* We are at the end. */
|
2004-05-13 08:41:07 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
seek_error:
|
|
|
|
generate_error (ERROR_OS, NULL);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Open an unused unit. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
void
|
|
|
|
new_unit (unit_flags * flags)
|
|
|
|
{
|
re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
PR fortran/15234
* io/io.h (unit_t): Rename to ...
(gfc_unit) ... this.
(unit_root, current_unit, find_file, find_unit, get_unit): Now
of type gfc_unit.
(delete_file, insert_unit, close_unit): Argument now of type
gfc_unit.
* backspace.c (st_backspace), close.c (st_close), endfile.c
(st_endfile), inquire.c (inquire_via_unit, st_inquire), open.c
(test_endfile, edit_modes, new_unit, already_open, st_open),
rewind.c (st_rewind), transfer.c (current_unit), unit.c
(internal_unit, unit_cache, rotate_left, rotate_right, insert,
insert_unit, delete_root, delete_treap, delete_unit, find_unit,
get_unit, init_units, close_unit), unix.c (find_file0,
find_file, delete_file): Replace all occurences of unit_t by
gfc_unit.
From-SVN: r81903
2004-05-15 22:44:38 +02:00
|
|
|
gfc_unit *u;
|
2004-05-13 08:41:07 +02:00
|
|
|
stream *s;
|
|
|
|
char tmpname[5 /* fort. */ + 10 /* digits of unit number */ + 1 /* 0 */];
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Change unspecifieds to defaults. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (flags->access == ACCESS_UNSPECIFIED)
|
|
|
|
flags->access = ACCESS_SEQUENTIAL;
|
|
|
|
|
|
|
|
if (flags->action == ACTION_UNSPECIFIED)
|
2004-08-23 16:28:31 +02:00
|
|
|
flags->action = ACTION_READWRITE; /* Processor dependent. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (flags->form == FORM_UNSPECIFIED)
|
|
|
|
flags->form = (flags->access == ACCESS_SEQUENTIAL)
|
|
|
|
? FORM_FORMATTED : FORM_UNFORMATTED;
|
|
|
|
|
|
|
|
|
|
|
|
if (flags->delim == DELIM_UNSPECIFIED)
|
|
|
|
flags->delim = DELIM_NONE;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (flags->form == FORM_UNFORMATTED)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_OPTION_CONFLICT,
|
|
|
|
"DELIM parameter conflicts with UNFORMATTED form in "
|
|
|
|
"OPEN statement");
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (flags->blank == BLANK_UNSPECIFIED)
|
|
|
|
flags->blank = BLANK_NULL;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (flags->form == FORM_UNFORMATTED)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_OPTION_CONFLICT,
|
|
|
|
"BLANK parameter conflicts with UNFORMATTED form in "
|
|
|
|
"OPEN statement");
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (flags->pad == PAD_UNSPECIFIED)
|
|
|
|
flags->pad = PAD_YES;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (flags->form == FORM_UNFORMATTED)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_OPTION_CONFLICT,
|
|
|
|
"PAD paramter conflicts with UNFORMATTED form in "
|
|
|
|
"OPEN statement");
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (flags->position != POSITION_ASIS && flags->access == ACCESS_DIRECT)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_OPTION_CONFLICT,
|
|
|
|
"ACCESS parameter conflicts with SEQUENTIAL access in "
|
|
|
|
"OPEN statement");
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
if (flags->position == POSITION_UNSPECIFIED)
|
|
|
|
flags->position = POSITION_ASIS;
|
|
|
|
|
|
|
|
|
|
|
|
if (flags->status == STATUS_UNSPECIFIED)
|
|
|
|
flags->status = STATUS_UNKNOWN;
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Checks. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (flags->access == ACCESS_DIRECT && ioparm.recl_in == 0)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_MISSING_OPTION,
|
|
|
|
"Missing RECL parameter in OPEN statement");
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ioparm.recl_in != 0 && ioparm.recl_in <= 0)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"RECL parameter is non-positive in OPEN statement");
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (flags->status)
|
|
|
|
{
|
|
|
|
case STATUS_SCRATCH:
|
|
|
|
if (ioparm.file == NULL)
|
|
|
|
break;
|
|
|
|
|
|
|
|
generate_error (ERROR_BAD_OPTION,
|
|
|
|
"FILE parameter must not be present in OPEN statement");
|
|
|
|
return;
|
|
|
|
|
|
|
|
case STATUS_OLD:
|
|
|
|
case STATUS_NEW:
|
|
|
|
case STATUS_REPLACE:
|
|
|
|
case STATUS_UNKNOWN:
|
|
|
|
if (ioparm.file != NULL)
|
|
|
|
break;
|
|
|
|
|
|
|
|
ioparm.file = tmpname;
|
|
|
|
ioparm.file_len = sprintf(ioparm.file, "fort.%d", ioparm.unit);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
internal_error ("new_unit(): Bad status");
|
|
|
|
}
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Make sure the file isn't already open someplace else. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (find_file () != NULL)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_ALREADY_OPEN, NULL);
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Open file. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
s = open_external (flags->action, flags->status);
|
|
|
|
if (s == NULL)
|
|
|
|
{
|
|
|
|
generate_error (ERROR_OS, NULL);
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (flags->status == STATUS_NEW || flags->status == STATUS_REPLACE)
|
|
|
|
flags->status = STATUS_OLD;
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Create the unit structure. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
PR fortran/15234
* io/io.h (unit_t): Rename to ...
(gfc_unit) ... this.
(unit_root, current_unit, find_file, find_unit, get_unit): Now
of type gfc_unit.
(delete_file, insert_unit, close_unit): Argument now of type
gfc_unit.
* backspace.c (st_backspace), close.c (st_close), endfile.c
(st_endfile), inquire.c (inquire_via_unit, st_inquire), open.c
(test_endfile, edit_modes, new_unit, already_open, st_open),
rewind.c (st_rewind), transfer.c (current_unit), unit.c
(internal_unit, unit_cache, rotate_left, rotate_right, insert,
insert_unit, delete_root, delete_treap, delete_unit, find_unit,
get_unit, init_units, close_unit), unix.c (find_file0,
find_file, delete_file): Replace all occurences of unit_t by
gfc_unit.
From-SVN: r81903
2004-05-15 22:44:38 +02:00
|
|
|
u = get_mem (sizeof (gfc_unit) + ioparm.file_len);
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
u->unit_number = ioparm.unit;
|
|
|
|
u->s = s;
|
|
|
|
u->flags = *flags;
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Unspecified recl ends up with a processor dependent value. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
u->recl = (ioparm.recl_in != 0) ? ioparm.recl_in : DEFAULT_RECL;
|
|
|
|
u->last_record = 0;
|
|
|
|
u->current_record = 0;
|
|
|
|
|
|
|
|
/* If the file is direct access, calculate the maximum record number
|
2004-08-23 16:28:31 +02:00
|
|
|
via a division now instead of letting the multiplication overflow
|
|
|
|
later. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (flags->access == ACCESS_DIRECT)
|
|
|
|
u->maxrec = g.max_offset / u->recl;
|
|
|
|
|
|
|
|
memmove (u->file, ioparm.file, ioparm.file_len);
|
|
|
|
u->file_len = ioparm.file_len;
|
|
|
|
|
|
|
|
insert_unit (u);
|
|
|
|
|
|
|
|
/* The file is now connected. Errors after this point leave the
|
2004-08-23 16:28:31 +02:00
|
|
|
file connected. Curiously, the standard requires that the
|
|
|
|
position specifier be ignored for new files so a newly connected
|
|
|
|
file starts out that the initial point. We still need to figure
|
|
|
|
out if the file is at the end or not. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
test_endfile (u);
|
|
|
|
|
c99_functions.c, [...]: Whitespace fixes.
* intrinsics/c99_functions.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
intrinsics/transpose_generic.c, intrinsics/unlink.c,
intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
io/write.c, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
runtime/memory.c, runtime/pause.c, runtime/stop.c,
runtime/string.c: Whitespace fixes.
From-SVN: r91794
2004-12-07 01:01:01 +01:00
|
|
|
cleanup:
|
2004-05-13 08:41:07 +02:00
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Free memory associated with a temporary filename. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (flags->status == STATUS_SCRATCH)
|
|
|
|
free_mem (ioparm.file);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-08-23 16:28:31 +02:00
|
|
|
/* Open a unit which is already open. This involves changing the
|
|
|
|
modes or closing what is there now and opening the new file. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
static void
|
re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
PR fortran/15234
* io/io.h (unit_t): Rename to ...
(gfc_unit) ... this.
(unit_root, current_unit, find_file, find_unit, get_unit): Now
of type gfc_unit.
(delete_file, insert_unit, close_unit): Argument now of type
gfc_unit.
* backspace.c (st_backspace), close.c (st_close), endfile.c
(st_endfile), inquire.c (inquire_via_unit, st_inquire), open.c
(test_endfile, edit_modes, new_unit, already_open, st_open),
rewind.c (st_rewind), transfer.c (current_unit), unit.c
(internal_unit, unit_cache, rotate_left, rotate_right, insert,
insert_unit, delete_root, delete_treap, delete_unit, find_unit,
get_unit, init_units, close_unit), unix.c (find_file0,
find_file, delete_file): Replace all occurences of unit_t by
gfc_unit.
From-SVN: r81903
2004-05-15 22:44:38 +02:00
|
|
|
already_open (gfc_unit * u, unit_flags * flags)
|
2004-05-13 08:41:07 +02:00
|
|
|
{
|
|
|
|
if (ioparm.file == NULL)
|
|
|
|
{
|
|
|
|
edit_modes (u, flags);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If the file is connected to something else, close it and open a
|
2004-08-23 16:28:31 +02:00
|
|
|
new unit. */
|
2004-05-13 08:41:07 +02:00
|
|
|
|
|
|
|
if (!compare_file_filename (u->s, ioparm.file, ioparm.file_len))
|
|
|
|
{
|
|
|
|
if (close_unit (u))
|
|
|
|
{
|
|
|
|
generate_error (ERROR_OS, "Error closing file in OPEN statement");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
new_unit (flags);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
edit_modes (u, flags);
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}
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2004-08-23 16:28:31 +02:00
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/* Open file. */
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2004-05-13 08:41:07 +02:00
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void
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st_open (void)
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{
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unit_flags flags;
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re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
PR fortran/15234
* io/io.h (unit_t): Rename to ...
(gfc_unit) ... this.
(unit_root, current_unit, find_file, find_unit, get_unit): Now
of type gfc_unit.
(delete_file, insert_unit, close_unit): Argument now of type
gfc_unit.
* backspace.c (st_backspace), close.c (st_close), endfile.c
(st_endfile), inquire.c (inquire_via_unit, st_inquire), open.c
(test_endfile, edit_modes, new_unit, already_open, st_open),
rewind.c (st_rewind), transfer.c (current_unit), unit.c
(internal_unit, unit_cache, rotate_left, rotate_right, insert,
insert_unit, delete_root, delete_treap, delete_unit, find_unit,
get_unit, init_units, close_unit), unix.c (find_file0,
find_file, delete_file): Replace all occurences of unit_t by
gfc_unit.
From-SVN: r81903
2004-05-15 22:44:38 +02:00
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gfc_unit *u = NULL;
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2004-05-13 08:41:07 +02:00
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library_start ();
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2004-08-23 16:28:31 +02:00
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/* Decode options. */
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2004-05-13 08:41:07 +02:00
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flags.access = (ioparm.access == NULL) ? ACCESS_UNSPECIFIED :
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find_option (ioparm.access, ioparm.access_len, access_opt,
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"Bad ACCESS parameter in OPEN statement");
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flags.action = (ioparm.action == NULL) ? ACTION_UNSPECIFIED :
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find_option (ioparm.action, ioparm.action_len, action_opt,
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"Bad ACTION parameter in OPEN statement");
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flags.blank = (ioparm.blank == NULL) ? BLANK_UNSPECIFIED :
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find_option (ioparm.blank, ioparm.blank_len, blank_opt,
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"Bad BLANK parameter in OPEN statement");
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flags.delim = (ioparm.delim == NULL) ? DELIM_UNSPECIFIED :
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find_option (ioparm.delim, ioparm.delim_len, delim_opt,
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"Bad DELIM parameter in OPEN statement");
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flags.pad = (ioparm.pad == NULL) ? PAD_UNSPECIFIED :
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find_option (ioparm.pad, ioparm.pad_len, pad_opt,
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"Bad PAD parameter in OPEN statement");
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flags.form = (ioparm.form == NULL) ? FORM_UNSPECIFIED :
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find_option (ioparm.form, ioparm.form_len, form_opt,
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"Bad FORM parameter in OPEN statement");
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flags.position = (ioparm.position == NULL) ? POSITION_UNSPECIFIED :
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find_option (ioparm.position, ioparm.position_len, position_opt,
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"Bad POSITION parameter in OPEN statement");
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flags.status = (ioparm.status == NULL) ? STATUS_UNSPECIFIED :
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find_option (ioparm.status, ioparm.status_len, status_opt,
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"Bad STATUS parameter in OPEN statement");
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if (ioparm.unit < 0)
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generate_error (ERROR_BAD_OPTION, "Bad unit number in OPEN statement");
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2004-08-14 00:01:02 +02:00
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if (flags.position != POSITION_UNSPECIFIED
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&& flags.access == ACCESS_DIRECT)
|
2004-05-13 08:41:07 +02:00
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generate_error (ERROR_BAD_OPTION,
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"Cannot use POSITION with direct access files");
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if (flags.position == POSITION_UNSPECIFIED)
|
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|
flags.position = POSITION_ASIS;
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|
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|
if (ioparm.library_return != LIBRARY_OK)
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|
return;
|
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|
u = find_unit (ioparm.unit);
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|
if (u == NULL)
|
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|
new_unit (&flags);
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|
else
|
|
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|
already_open (u, &flags);
|
|
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|
|
library_end ();
|
|
|
|
}
|