Strip Filepath, Return Filename as std::string

#include <algorithm>

/** Strips a path from a path+filename string, returning only the filename */
std::string strip_path(std::string *pth_str, bool lowercase)
{
    std::size_t found = 0;
    std::size_t found1 = pth_str.find_last_of("/");
    std::size_t found2 = pth_str.find_last_of("\\");
    found = ( found2 > found1 ) ? found2: found1;
    std::string fileonly = pth_str.substr(found+1); //at the slash, plus one
    if(lowercase)
        std::transform(fileonly.begin(), fileonly.end(), fileonly.begin(), ::tolower);
    return fileonly;
}