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Dimitry Andric 2f214595bc Ensure showbase does not overflow do_put buffers

Summary:
In https://bugs.freebsd.org/207918, Daniel McRobb describes how using
std::showbase with ostreams can cause truncation of unsigned long long
when output format is octal.  In fact, this can even happen with
unsigned int and unsigned long.

To ensure this does not happen, add one additional character to the
do_put buffers if std::showbase is on.  Also add a test case.

Reviewers: EricWF, mclow.lists

Reviewed By: EricWF

Subscribers: cfe-commits, emaste

Differential Revision: https://reviews.llvm.org/D32670

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@302362 91177308-0d34-0410-b5e6-96231b3b80d8

2017-05-06 20:58:50 +00:00

benchmarks

Emit benchmark tests into the benchmarks build directory, not lib/

2017-04-18 07:40:22 +00:00

cmake

[CMake][libcxx] Fix the --target and --gcc-toolchain flag handling

2017-04-16 02:25:55 +00:00

docs

Add markup for libc++ dylib availability

2017-05-04 17:08:54 +00:00

include

Ensure showbase does not overflow do_put buffers

2017-05-06 20:58:50 +00:00

lib

Rename the static version of libc++ on Windows.

2017-04-20 04:19:02 +00:00

src

Fix remaining GCC 7 build warnings

2017-05-05 20:39:03 +00:00

test

Ensure showbase does not overflow do_put buffers

2017-05-06 20:58:50 +00:00

utils

Add markup for libc++ dylib availability

2017-05-04 17:08:54 +00:00

www

Mark LWG#2788 as complete - we already do this

2017-04-18 17:22:49 +00:00

.arcconfig

Upgrade arcconfig to use https

2016-07-18 02:02:49 +00:00

.clang-format

Make clang-format use C++03 syntax

2017-04-15 02:45:43 +00:00

.gitignore

Implement N4606 optional

2016-10-12 07:46:20 +00:00

appveyor.yml

Change Appveyor to download Clang from llvm.org instead of my private server

2017-05-04 19:04:50 +00:00

CMakeLists.txt

test commit

2017-05-04 06:28:34 +00:00

CREDITS.TXT

Updated email address in CREDITS.txt.

2017-03-06 20:46:55 +00:00

install-appveyor-reqs.cmd

Change Appveyor to download Clang from llvm.org instead of my private server

2017-05-04 19:04:50 +00:00

LICENSE.TXT

Update year to 2017

2017-01-03 11:20:43 +00:00

NOTES.TXT

Update doc and various cleanup

2016-12-23 20:00:13 +00:00

TODO.TXT

Add list of filesystem NB comments to TODO.TXT so they can be tracked separately

2017-03-06 21:23:36 +00:00

docs/README.txt

libc++ Documentation
====================

The libc++ documentation is written using the Sphinx documentation generator. It is
currently tested with Sphinx 1.1.3.

To build the documents into html configure libc++ with the following cmake options:

  * -DLLVM_ENABLE_SPHINX=ON
  * -DLIBCXX_INCLUDE_DOCS=ON

After configuring libc++ with these options the make rule `docs-libcxx-html`
should be available.

Languages

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HTML 0.9%

Python 0.9%

CMake 0.6%

Shell 0.1%