Find PWD on OSX

getPWD.cpp

#include <mach-o/dyld.h>
unsigned int bufferSize = 512;
std::vector<char> buffer(bufferSize + 1);
if(_NSGetExecutablePath(&buffer[0], &bufferSize))
{
    buffer.resize(bufferSize);
    _NSGetExecutablePath(&buffer[0], &bufferSize);
}

std::string s = &buffer[0];