gperf.cpp

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// -*- C++ -*-

// $Id: gperf.cpp 80826 2008-03-04 14:51:23Z wotte $

// Driver program for the gperf hash function generator.

// Copyright (C) 1989 Free Software Foundation, Inc.
// written by Douglas C. Schmidt ([e-mail])

// This file is part of GNU GPERF.

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

// Simple driver program for the gperf hash function generator.  All
// the hard work is done in class Gen_Perf and its class methods.

#include "Gen_Perf.h"

ACE_RCSID(src, gperf, "$Id: gperf.cpp 80826 2008-03-04 14:51:23Z wotte $")

#if defined (ACE_HAS_GPERF)

#include "Options.h"
#include "ace/OS_NS_time.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_main.h"

int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  struct tm *tm;
  time_t clock;

  // Sets the Options.
  if (option.parse_args (argc, argv) == -1)
    return 1;

  ACE_OS::time (&clock);
  tm = ACE_OS::localtime (&clock);

  if (option[DEBUGGING])
    ACE_OS::printf ("/* starting time is %d:%02d:%02d */\n",
                    tm->tm_hour,
                    tm->tm_min,
                    tm->tm_sec);

  // Initializes the key word list.
  Gen_Perf gperf;

  // Generates and prints the gperf hash table.  Don't use exit here,
  // it skips the destructors.
  int status = gperf.run ();

  ACE_OS::time (&clock);
  tm = ACE_OS::localtime (&clock);

  if (option[DEBUGGING])
    ACE_OS::printf ("/* ending time is %d:%02d:%02d */\n",
                    tm->tm_hour,
                    tm->tm_min,
                    tm->tm_sec);
  return status;
}
#else  /* ! ACE_HAS_GPERF */
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  ACE_UNUSED_ARG (argc);
  ACE_UNUSED_ARG (argv);

  ACE_ERROR_RETURN ((LM_ERROR,
                     "gperf is not operational because "
                     "ACE_HAS_GPERF was not enabled for the build\n"),
                    1);
}
#endif /* ! ACE_HAS_GPERF */