get file basename

Two ways for getting base name frome file path.

/* way 1by Rifur */
static const char * _get_file_baseName(const char *str, int len)
{
        for( ; str[len-1] != '/' && len > 0; --len );
        return &str[len];
}                                                                                                                                 

/* way 2 */
static const char * gnu_basename(const char *path)
{
        const char *base = strrchr(path, '/');
        return base ? base+1 : path;
}