libf2c/libU77/hostnm_.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 #if HAVE_STRING_H
  23 #  include <string.h>
  24 #else
  25 #  include <strings.h>
  26 #endif
  27 #if HAVE_UNISTD_H
  28 #  include <unistd.h>
  29 #endif
  30 #include <errno.h>              /* for ENOSYS */
  31 #include "f2c.h"
  32
  33 integer
  34 G77_hostnm_0 (char *name, ftnlen Lname)
  35 {
  36   int ret, i;
  37
  38 #if HAVE_GETHOSTNAME
  39   ret = gethostname (name, Lname);
  40   if (ret == 0)
  41     {
  42       /* Pad with blanks (assuming gethostname will make an error
  43          return if it can't fit in the null). */
  44       for (i = strlen (name); i < Lname; i++)
  45         name[i] = ' ';
  46     }
  47   return ret;
  48 #else
  49   return errno = ENOSYS;
  50 #endif
  51 }