genwindef.cpp

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#ifdef _WIN32
// Disable a warning in Boost program_options headers:
// inconsistent linkage in program_options/variables_map.hpp
#pragma warning( disable : 4273 )
#define popen _popen
#define pclose _pclose
#define fileno _fileno
#include <stdlib.h>
#endif

// Include files----------------------------------------------------------------
#include "LibSymbolInfo.h"
#include <fstream>
#include <iostream>
#include <string>
#include <vector>

using namespace std;

namespace windef
{
  void usage()
  {
    cerr << "Usage: genwindef [-l <dllname>] [-o <output-file> | exports.def]  <obj or lib filenames>" << endl;
    exit( 1 );
  }
}

//--- Command main program-----------------------------------------------------
int main( int argc, char** argv )
//-----------------------------------------------------------------------------
{
  string outfile( "exports.def" );
  string library( "UnknownLib" );
  string objfiles;
  bool debug( false );

  int arg;
  if ( argc < 3 ) windef::usage();
  arg = 1;
  while ( argv[arg][0] == '-' ) {
    if ( strcmp( argv[arg], "--" ) == 0 ) {
      windef::usage();
    } else if ( strcmp( argv[arg], "-l" ) == 0 ) {
      arg++;
      if ( arg == argc ) windef::usage();
      library = argv[arg];
    } else if ( strcmp( argv[arg], "-o" ) == 0 ) {
      arg++;
      if ( arg == argc ) windef::usage();
      outfile = argv[arg];
    }
    arg++;
  }
  if ( arg == argc ) windef::usage();
  for ( arg; arg < argc; arg++ ) {
    objfiles += argv[arg];
    if ( arg + 1 < argc ) objfiles += " ";
  }

  CLibSymbolInfo libsymbols;
  ofstream out( outfile );
  if ( out.fail() ) {
    cerr << "windef: Error opening file " << outfile << endl;
    return 1;
  }
  out << "LIBRARY " << library << endl;
  out << "EXPORTS" << endl;

  libsymbols.DumpSymbols( const_cast<char*>( objfiles.c_str() ), out );

  out.close();

  return 0;
}