ceph/src/common/FixedCDC.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #pragma
   5
   6 #include "FixedCDC.h"
   7
   8 void FixedCDC::calc_chunks(
   9   const bufferlist& bl,
  10   std::vector<std::pair<uint64_t, uint64_t>> *chunks) const
  11 {
  12   size_t len = bl.length();
  13   if (!len) {
  14     return;
  15   }
  16   for (size_t pos = 0; pos < len; pos += chunk_size) {
  17     chunks->push_back(std::pair<uint64_t,uint64_t>(pos, std::min(chunk_size,
  18                                                                  len - pos)));
  19   }
  20 }