sim/common/hw-device.c

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #include "sim-main.h"
  23 #include "hw-base.h"
  24
  25 #if HAVE_STDLIB_H
  26 #include <stdlib.h>
  27 #endif
  28
  29 \f
  30 /* Address methods */
  31
  32 const hw_unit *
  33 hw_unit_address (struct hw *me)
  34 {
  35   return &me->unit_address_of_hw;
  36 }
  37
  38
  39 \f
  40 /* IOCTL: */
  41
  42 int
  43 hw_ioctl (struct hw *me,
  44           hw_ioctl_request request,
  45           ...)
  46 {
  47   int status;
  48   va_list ap;
  49   va_start(ap, request);
  50   status = me->to_ioctl (me, request, ap);
  51   va_end(ap);
  52   return status;
  53 }
  54
  55 char *
  56 hw_strdup (struct hw *me, const char *str)
  57 {
  58   if (str != NULL)
  59     {
  60       char *dup = hw_zalloc (me, strlen (str) + 1);
  61       strcpy (dup, str);
  62       return dup;
  63     }
  64   else
  65     {
  66       return NULL;
  67     }
  68 }