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bufferlist: don't use list::size()

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Reviewed-by: Sage Weil <sage@inktank.com>
Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>
This commit is contained in:
Yehuda Sadeh 2013-09-12 12:26:41 -07:00
parent 08fe028bad
commit ca984e321e
1 changed files with 6 additions and 3 deletions
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9
src/common/buffer.cc
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@ -990,11 +990,14 @@ void buffer::list::rebuild_page_aligned()
*/
char *buffer::list::c_str()
{
if (_buffers.size() == 0)
if (_buffers.empty())
return 0; // no buffers
if (_buffers.size() > 1)
std::list<ptr>::const_iterator iter = _buffers.begin();
iter++;
if (iter != _buffers.end())
rebuild();
assert(_buffers.size() == 1);
return _buffers.front().c_str(); // good, we're already contiguous.
}