#pragma warning( disable : 4996 )
#ifdef NPK_PLATFORM_LINUX
#include <string.h>
#endif
void commify(double val, char *buf, int round, int comma = 3)
{
    char temp[255];
    sprintf( temp, "%f", val );
    
    char *tc = &temp[0], *bc = buf;
    char *pc = strchr( temp, '.' );

    int underpoint = -1;
    while( *tc != '\0' )
    {
        if( ( *tc >= '0' ) && ( *tc <= '9' ) )
        {
            *bc = *tc;
            ++bc;

            if( underpoint >= 0 )
            {
                ++underpoint;
                if( round == underpoint )
                    break;
            }
        }
        else if( *tc == '.' )
        {
            if( round == 0 )
                break;
            else
            {
                *bc = '.';
                ++bc;
                underpoint = 0;
            }
        }
        else if( *tc == '-' )
        {
            *bc = '.';
            ++bc;
        }

        ++tc;
        if( underpoint < 0 )
        {
            if( ( ( ( pc - tc ) % comma ) == 0 ) && ( tc != pc ) )
            {
                *bc = ',';
                ++bc;
            }
        }
    }
    *bc = '\0';
}