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 "hw-main.h"
  23 #include "hw-base.h"
  24
  25 #if HAVE_STDLIB_H
  26 #include <stdlib.h>
  27 #endif
  28
  29 /* Address methods */
  30
  31 const hw_unit *
  32 hw_unit_address (struct hw *me)
  33 {
  34   return &me->unit_address_of_hw;
  35 }
  36
  37
  38 /* IOCTL: */
  39
  40 int
  41 hw_ioctl (struct hw *me,
  42           hw_ioctl_request request,
  43           ...)
  44 {
  45   int status;
  46   va_list ap;
  47   va_start(ap, request);
  48   status = me->to_ioctl (me, request, ap);
  49   va_end(ap);
  50   return status;
  51 }
  52
  53 char *
  54 hw_strdup (struct hw *me, const char *str)
  55 {
  56   if (str != NULL)
  57     {
  58       char *dup = hw_zalloc (me, strlen (str) + 1);
  59       strcpy (dup, str);
  60       return dup;
  61     }
  62   else
  63     {
  64       return NULL;
  65     }
  66 }