问如何判断应用程序在C++中的运行位置

EN

std::string calculateRunPath()
{
  const unsigned int size = 500;
  char buf[size] = {0};
  HMODULE hModule = GetModuleHandle(NULL);
  GetModuleFileName(hModule,buf, sizeof(buf));

  std::string path(buf);
  size_t pos = path.find_last_of('\\');

  return path.substr(0, pos);
}

std::string calculateRunPath()
{
   const unsigned int size = 500;
   char path[size + 1] = {0};  

   size_t len = readlink("/proc/self/exe", path, size);
   path[len]   = 0;
   char* p = strrchr(path, '/');
   if(p) 
      *(p + 1) = 0;
   else 
      path[0] = 0;

   return std::string(path);
}

#include <boost/filesystem/path.hpp>
#include <boost/filesystem/operations.hpp>
#include <iostream>

int main()
{
  std::cout << boost::filesystem::current_path().string() << std::endl;
  return 0;
}