libgfortran/io/endfile.c

   1 /* Copyright (C) 2002-2003 Free Software Foundation, Inc.
   2    Contributed by Andy Vaught
   3
   4 This file is part of the GNU Fortran 95 runtime library (libgfortran).
   5
   6 Libgfortran is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 Libgfortran is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with Libgfortran; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 #include "config.h"
  22 #include "libgfortran.h"
  23 #include "io.h"
  24
  25 /* endfile.c--  Implement the ENDFILE statement */
  26
  27 extern void st_endfile (void);
  28 export_proto(st_endfile);
  29
  30 void
  31 st_endfile (void)
  32 {
  33   gfc_unit *u;
  34
  35   library_start ();
  36
  37   u = get_unit (0);
  38   if (u != NULL)
  39     {
  40       current_unit = u;         /* next_record() needs this set */
  41       if (u->current_record)
  42         next_record (1);
  43
  44       flush(u->s);
  45       struncate (u->s);
  46       u->endfile = AFTER_ENDFILE;
  47     }
  48
  49   library_end ();
  50 }