gcc/libgfortran/io/close.c

71 lines
1.7 KiB
C

/* Copyright (C) 2002-2003 Free Software Foundation, Inc.
Contributed by Andy Vaught
This file is part of the GNU Fortran 95 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 2, 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.
You should have received a copy of the GNU General Public License
along with Libgfortran; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include "libgfortran.h"
#include "io.h"
typedef enum
{ CLOSE_DELETE, CLOSE_KEEP, CLOSE_UNSPECIFIED }
close_status;
static st_option status_opt[] = {
{"keep", CLOSE_KEEP},
{"delete", CLOSE_DELETE},
{NULL}
};
void
st_close (void)
{
close_status status;
gfc_unit *u;
library_start ();
status = (ioparm.status == NULL) ? CLOSE_UNSPECIFIED :
find_option (ioparm.status, ioparm.status_len, status_opt,
"Bad STATUS parameter in CLOSE statement");
if (ioparm.library_return != LIBRARY_OK)
return;
u = find_unit (ioparm.unit);
if (u != NULL)
{
if (u->flags.status == STATUS_SCRATCH)
{
if (status == CLOSE_KEEP)
generate_error (ERROR_BAD_OPTION,
"Can't KEEP a scratch file on CLOSE");
}
else
{
if (status == CLOSE_DELETE)
delete_file (u);
}
close_unit (u);
}
library_end ();
}