File_Namespace::anonymous_namespace{FileBuffer.cpp} Namespace Reference

Functions
size_t	calculate_buffer_header_size (size_t chunk_size)

Function Documentation

size_t File_Namespace::anonymous_namespace{FileBuffer.cpp}::calculate_buffer_header_size

(

size_t

chunk_size

)

Definition at line 146 of file FileBuffer.cpp.

References File_Namespace::FileBuffer::kHeaderBufferOffset.

Referenced by File_Namespace::FileBuffer::getMinPageSize(), and File_Namespace::FileBuffer::setBufferHeaderSize().

                                                       {
  // Additional 3 * sizeof(int32_t) is for headerSize, pageId, and versionEpoch
  size_t header_size = (chunk_size + 3) * sizeof(int32_t);
  size_t header_mod = header_size % FileBuffer::kHeaderBufferOffset;
  if (header_mod > 0) {
    header_size += FileBuffer::kHeaderBufferOffset - header_mod;
  }
  return header_size;
}

Here is the caller graph for this function: