Function write_laszip_vlr_header

LASzip/src/laszip_dll.cpp:2450–2493

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/*---------------------------------------------------------------------------*/
static I32
write_laszip_vlr_header(
    laszip_dll_struct*                 laszip_dll
    , const LASzip*                    laszip
    , ByteStreamOut*                   out
)
{
  // write the LASzip VLR header

  U16 reserved = 0x0;
  try { out->put16bitsLE((U8*)&reserved); } catch(...)
  {
    snprintf(laszip_dll->error, sizeof(laszip_dll->error), "writing LASzip VLR header.reserved");
    return 1;
  }
  U8 user_id[16] = "laszip encoded\0";
  try { out->putBytes((U8*)user_id, 16); } catch(...)
  {
    snprintf(laszip_dll->error, sizeof(laszip_dll->error), "writing LASzip VLR header.user_id");
    return 1;
  }
  U16 record_id = 22204;
  try { out->put16bitsLE((U8*)&record_id); } catch(...)
  {
    snprintf(laszip_dll->error, sizeof(laszip_dll->error), "writing LASzip VLR header.record_id");
    return 1;
  }
  U16 record_length_after_header = (U16)laszip_vrl_payload_size(laszip);
  try { out->put16bitsLE((U8*)&record_length_after_header); } catch(...)
  {
    snprintf(laszip_dll->error, sizeof(laszip_dll->error), "writing LASzip VLR header.record_length_after_header");
    return 1;
  }
  CHAR description[32];
  memset(description, 0, 32);
  snprintf(description, sizeof(description), "LASzip DLL %d.%d r%d (%d)", LASZIP_VERSION_MAJOR, LASZIP_VERSION_MINOR, LASZIP_VERSION_REVISION, LASZIP_VERSION_BUILD_DATE);
  try { out->putBytes((U8*)description, 32); } catch(...)
  {
    snprintf(laszip_dll->error, sizeof(laszip_dll->error), "writing LASzip VLR header.description");
    return 1;
  }

  return 0;
}

/*---------------------------------------------------------------------------*/
static I32