Itoa.cpp

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// Fast itoa from http://www.jb.man.ac.uk/~slowe/cpp/itoa.html for Linux since it seems like Linux doesn't support this function.
// I modified it to remove the std dependencies.
char* Itoa( int value, char* result, int base )
 {
        // check that the base if valid
        if (base < 2 || base > 16) { *result = 0; return result; }
        char* out = result;
        int quotient = value;

        int absQModB;

        do {
                // KevinJ - get rid of this dependency
                //*out = "0123456789abcdef"[ std::abs( quotient % base ) ];
                absQModB=quotient % base;
                if (absQModB < 0)
                        absQModB=-absQModB;
                *out = "0123456789abcdef"[ absQModB ];
                ++out;
                quotient /= base;
        } while ( quotient );

        // Only apply negative sign for base 10
        if ( value < 0 && base == 10) *out++ = '-';

        // KevinJ - get rid of this dependency
        // std::reverse( result, out );
        *out = 0;

        // KevinJ - My own reverse code
    char *start = result;
        char temp;
        out--;
        while (start < out)
        {
                temp=*start;
                *start=*out;
                *out=temp;
                start++;
                out--;
        }

        return result;
}