libf2c/libU77/flush1_.c

   1 /* Copyright (C) 1995 Free Software Foundation, Inc.
   2 This file is part of GNU Fortran libU77 library.
   3
   4 This library is free software; you can redistribute it and/or modify it
   5 under the terms of the GNU Library General Public License as published
   6 by the Free Software Foundation; either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 GNU Fortran is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with GNU Fortran; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17 Boston, MA 02111-1307, USA.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include "config.h"
  21 #endif
  22 #include <stdio.h>
  23 #include "f2c.h"
  24 #include "fio.h"
  25
  26 /* This flushes a single unit, c.f. libI77 version. */
  27
  28 #ifdef KR_headers
  29 extern integer G77_fnum_0 ();
  30
  31 /* Subroutine */ int G77_flush1_0 (lunit)
  32      integer *lunit;
  33 #else
  34 extern integer G77_fnum_0 (integer *);
  35
  36 /* Subroutine */ int G77_flush1_0 (const integer *lunit)
  37 #endif
  38 {
  39   if (*lunit>=MXUNIT || *lunit<0)
  40     err(1,101,"flush");
  41   /* f__units is a table of descriptions for the unit numbers (defined
  42      in io.h) with file descriptors rather than streams */
  43   if (f__units[*lunit].ufd != NULL && f__units[*lunit].uwrt)
  44     fflush(f__units[*lunit].ufd);
  45   return 0;
  46 }