ubuntu/vbox/vboxguest/generic/errvars-generic.c

   1 /* $Id: errvars-generic.cpp $ */
   2 /** @file
   3  * IPRT - Save and Restore Error Variables, generic stub implementation.
   4  */
   5
   6 /*
   7  * Copyright (C) 2011-2016 Oracle Corporation
   8  *
   9  * This file is part of VirtualBox Open Source Edition (OSE), as
  10  * available from http://www.virtualbox.org. This file is free software;
  11  * you can redistribute it and/or modify it under the terms of the GNU
  12  * General Public License (GPL) as published by the Free Software
  13  * Foundation, in version 2 as it comes in the "COPYING" file of the
  14  * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
  15  * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
  16  *
  17  * The contents of this file may alternatively be used under the terms
  18  * of the Common Development and Distribution License Version 1.0
  19  * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
  20  * VirtualBox OSE distribution, in which case the provisions of the
  21  * CDDL are applicable instead of those of the GPL.
  22  *
  23  * You may elect to license modified versions of this file under the
  24  * terms and conditions of either the GPL or the CDDL or both.
  25  */
  26
  27
  28 /*********************************************************************************************************************************
  29 *   Header Files                                                                                                                 *
  30 *********************************************************************************************************************************/
  31 #include <iprt/err.h>
  32 #include "internal/iprt.h"
  33
  34 #include <iprt/assert.h>
  35 #include "internal/magics.h"
  36
  37
  38
  39 RTDECL(PRTERRVARS) RTErrVarsSave(PRTERRVARS pVars)
  40 {
  41     pVars->ai32Vars[0] = RTERRVARS_MAGIC;
  42     return pVars;
  43 }
  44
  45
  46 RTDECL(void) RTErrVarsRestore(PCRTERRVARS pVars)
  47 {
  48     Assert(pVars->ai32Vars[0] == RTERRVARS_MAGIC);
  49     RT_NOREF_PV(pVars);
  50 }
  51
  52
  53 RTDECL(bool) RTErrVarsAreEqual(PCRTERRVARS pVars1, PCRTERRVARS pVars2)
  54 {
  55     Assert(pVars1->ai32Vars[0] == RTERRVARS_MAGIC);
  56     Assert(pVars2->ai32Vars[0] == RTERRVARS_MAGIC);
  57
  58     return pVars1->ai32Vars[0] == pVars2->ai32Vars[0];
  59 }
  60
  61
  62 RTDECL(bool) RTErrVarsHaveChanged(PCRTERRVARS pVars)
  63 {
  64     Assert(pVars->ai32Vars[0] == RTERRVARS_MAGIC);
  65     RT_NOREF_PV(pVars);
  66     return false;
  67 }
  68