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[Bug libstdc++/81338] stringstream remains empty after being moved into multiple times
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 10 Jul 2017 17:59:28 +0000
- Subject: [Bug libstdc++/81338] stringstream remains empty after being moved into multiple times
- Auto-submitted: auto-generated
- References: <bug-81338-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81338
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Mon Jul 10 17:58:56 2017
New Revision: 250100
URL: https://gcc.gnu.org/viewcvs?rev=250100&root=gcc&view=rev
Log:
PR libstdc++/81338 correctly manage string capacity
PR libstdc++/81338
* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
Declare basic_stringbuf to be a friend.
* include/bits/sstream.tcc (basic_stringbuf::overflow)
[_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
* include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
length to buffer length.
* testsuite/27_io/basic_stringstream/assign/81338.cc: New.
Added:
trunk/libstdc++-v3/testsuite/27_io/basic_stringstream/assign/81338.cc
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/include/bits/basic_string.h
trunk/libstdc++-v3/include/bits/sstream.tcc
trunk/libstdc++-v3/include/std/sstream