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// -*- C++ -*-

// Copyright (C) 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.

// This library 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 3, or (at

// your option) any later version.

// This library 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 library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// Benjamin Kosnik  <bkoz@redhat.com>

// Blame subsequent hacks on Loren J. Rittle <ljrittle@acm.org>, Phil

// Edwards <pme@gcc.gnu.org>, and a cast of dozens at libstdc++@gcc.gnu.org.

#include "testsuite_abi.h"

#include <iostream>

#include <cstdlib>

#include <unistd.h>    // for access(2)

int

main(int argc, char** argv)

{

  using namespace std;

  // Get arguments.  (Heading towards getopt_long, I can feel it.)

  string argv1 = argc > 1 ? argv[1] : "";

  if (argv1 == "--help" || argc < 4)

    {

      cerr << "usage: abi_check --check         current baseline\n"

              "                 --check-verbose current baseline\n"

              "                 --examine       symbol current\n"

              "                 --help\n"

              "\n"

              "All arguments are string literals.\n"

              "CURRENT is a file generated byextract_symvers.\n"

              "BASELINE is a file from config/abi.\n"

              "SYMBOL is a mangled name.\n"

           << endl;

      exit(1);

    }

  if (argv1.find("--check") != string::npos)

    {

      bool verbose = false;

      if (argv1 == "--check-verbose")

        verbose = true;

      // Quick sanity/setup check for arguments.

      const char* test_file = argv[2];

      const char* baseline_file = argv[3];

      if (access(test_file, R_OK) != 0)

        {

          cerr << "Cannot read symbols file " << test_file

               << ", did you forget to build first?" << endl;

          exit(1);

        }

      if (access(baseline_file, R_OK) != 0)

        {

          cerr << "Cannot read baseline file " << baseline_file << endl;

        exit(1);

        }

      if (!compare_symbols(baseline_file, test_file, verbose))

        exit (1);

    }

  if (argv1 == "--examine")

    {

      const char* file = argv[3];

      if (access(file, R_OK) != 0)

        {

          cerr << "Cannot read symbol file " << file << endl;

          exit(1);

        }

      examine_symbol(argv[2], file);

    }

  return 0;

}