Method open_buffer

src/utils/open.cpp:221–260

#endif

int LibRaw::open_buffer(const void *buffer, size_t size)
{
  // this stream will close on recycle()
  if (!buffer || buffer == (const void *)-1)
    return LIBRAW_IO_ERROR;

  if ((size > (INT64)LIBRAW_MAX_DNG_RAW_FILE_SIZE) 
	  && (size > (INT64)LIBRAW_MAX_NONDNG_RAW_FILE_SIZE)
	  	  && (size > (INT64)LIBRAW_MAX_CR3_RAW_FILE_SIZE)
	  )
      return LIBRAW_TOO_BIG;

  LibRaw_buffer_datastream *stream;
  try
  {
    stream = new LibRaw_buffer_datastream(buffer, size);
  }
  catch (const std::bad_alloc& )
  {
    recycle();
    return LIBRAW_UNSUFFICIENT_MEMORY;
  }
  if (!stream->valid())
  {
    delete stream;
    return LIBRAW_IO_ERROR;
  }
  ID.input_internal = 0; // preserve from deletion on error
  int ret = open_datastream(stream);
  if (ret == LIBRAW_SUCCESS)
  {
    ID.input_internal = 1; // flag to delete datastream on recycle
  }
  else
  {
    delete stream;
    ID.input_internal = 0;
  }
  return ret;
}

int LibRaw::open_bayer(const unsigned char *buffer, unsigned datalen,
                       ushort _raw_width, ushort _raw_height,