10-26.cpp

#include <iostream>
#include <string>

using std::string;

string pathAppend(const string& p1, const string& p2) {

   char sep = '/';
   string tmp = p1;

#ifdef _WIN32
  sep = '\\';
#endif

  if (p1[p1.length( )] != sep) { // Need to add a
     tmp += sep;                // path separator
     return(tmp + p2);
  }
  else
     return(p1 + p2);
}

int main(int argc, char** argv) {

   string path = argv[1];

   std::cout << "Appending somedir\\anotherdir is \""
             << pathAppend(path, "somedir\\anotherdir") << "\"\n";
}