static float lite_font_stringwidth( wmfAPI* API, wmfFont* font, char* str)
{
#if 0
  wmf_magick_t
    *ddata = WMF_MAGICK_GetData(API);

  Image
    *image = ddata->image;

  DrawInfo
    *draw_info;

  TypeMetric
    metrics;

  float
    stringwidth = 0;

  double
    orig_x_resolution,
    orig_y_resolution;

  ResolutionType
    orig_resolution_units;

  orig_x_resolution = image->x_resolution;
  orig_y_resolution = image->y_resolution;
  orig_resolution_units = image->units;

  draw_info=ddata->draw_info;
  if (draw_info == (const DrawInfo *) NULL)
    return 0;

  draw_info->font=WMF_FONT_PSNAME(font);
  draw_info->pointsize=12;
  draw_info->text=str;

  image->x_resolution = 72;
  image->y_resolution = 72;
  image->units = PixelsPerInchResolution;

  if (GetTypeMetrics(image, draw_info, &metrics) != MagickFalse)
    stringwidth = ((metrics.width * 72)/(image->x_resolution * draw_info->pointsize)); /* *0.916348; */

  draw_info->font=NULL;
  draw_info->text=NULL;

#if 0
  printf("\nlite_font_stringwidth\n");
  printf("string                  = \"%s\"\n", str);
  printf("WMF_FONT_NAME           = \"%s\"\n", WMF_FONT_NAME(font));
  printf("WMF_FONT_PSNAME         = \"%s\"\n", WMF_FONT_PSNAME(font));
  printf("stringwidth             = %g\n", stringwidth);
  /* printf("WMF_FONT_HEIGHT         = %i\n", (int)WMF_FONT_HEIGHT(font)); */
  /* printf("WMF_FONT_WIDTH          = %i\n", (int)WMF_FONT_WIDTH(font)); */
  fflush(stdout);
#endif

  image->x_resolution = orig_x_resolution;
  image->y_resolution = orig_y_resolution;
  image->units = orig_resolution_units;

  return stringwidth;
#else
  (void) API;
  (void) font;
  (void) str;

  return 0;
#endif
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.