void GfxDeviceRGBColorSpace::getRGBLine(Guchar *in, unsigned int *out,
					int length) {
  Guchar *p;
  int i;

  for (i = 0, p = in; i < length; i++, p += 3)
    out[i] = (p[0] << 16) | (p[1] << 8) | (p[2] << 0);
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.