static int
createImageSection(uint32 sectsize, unsigned char **sect_buff_ptr)
  {
  unsigned  char *sect_buff = NULL;
  unsigned  char *new_buff  = NULL;
  static    uint32  prev_sectsize = 0;
  sect_buff = *sect_buff_ptr;
  if (!sect_buff)
    {
    sect_buff = (unsigned char *)_TIFFmalloc(sectsize);
    *sect_buff_ptr = sect_buff;
    _TIFFmemset(sect_buff, 0, sectsize);
    }
  else
    {
    if (prev_sectsize < sectsize)
      {
      new_buff = _TIFFrealloc(sect_buff, sectsize);
      if (!new_buff)
        {
	free (sect_buff);
        sect_buff = (unsigned char *)_TIFFmalloc(sectsize);
        }
      else
        sect_buff = new_buff;
      _TIFFmemset(sect_buff, 0, sectsize);
      }
    }
  if (!sect_buff)
    {
    TIFFError("createImageSection", "Unable to allocate/reallocate section buffer");
    return (-1);
    }
  prev_sectsize = sectsize;
  *sect_buff_ptr = sect_buff;
  return (0);
  }
['static int\ncreateImageSection(uint32 sectsize, unsigned char **sect_buff_ptr)\n  {\n  unsigned  char *sect_buff = NULL;\n  unsigned  char *new_buff  = NULL;\n  static    uint32  prev_sectsize = 0;\n  sect_buff = *sect_buff_ptr;\n  if (!sect_buff)\n    {\n    sect_buff = (unsigned char *)_TIFFmalloc(sectsize);\n    *sect_buff_ptr = sect_buff;\n    _TIFFmemset(sect_buff, 0, sectsize);\n    }\n  else\n    {\n    if (prev_sectsize < sectsize)\n      {\n      new_buff = _TIFFrealloc(sect_buff, sectsize);\n      if (!new_buff)\n        {\n\tfree (sect_buff);\n        sect_buff = (unsigned char *)_TIFFmalloc(sectsize);\n        }\n      else\n        sect_buff = new_buff;\n      _TIFFmemset(sect_buff, 0, sectsize);\n      }\n    }\n  if (!sect_buff)\n    {\n    TIFFError("createImageSection", "Unable to allocate/reallocate section buffer");\n    return (-1);\n    }\n  prev_sectsize = sectsize;\n  *sect_buff_ptr = sect_buff;\n  return (0);\n  }', 'void*\n_TIFFrealloc(void* p, tmsize_t s)\n{\n\treturn (realloc(p, (size_t) s));\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n        if (s == 0)\n                return ((void *) NULL);\n\treturn (malloc((size_t) s));\n}', 'void\n_TIFFmemset(void* p, int v, tmsize_t c)\n{\n\tmemset(p, v, (size_t) c);\n}']