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Fix file open with append/append_existing flag on Windows

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vm2mv
2021-07-06 11:27:41 +03:00
committed by Richard Hodges
parent 1405b5a8eb
commit fb8f57a9e5
2 changed files with 24 additions and 3 deletions
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4
CHANGELOG.md
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@ -1,3 +1,7 @@
* Fix file open with append/append_existing flag on Windows.
--------------------------------------------------------------------------------
Version 323: Version 323:
* Fix clang-cl UTF8 path handling for `file_win32`. * Fix clang-cl UTF8 path handling for `file_win32`.

23
include/boost/beast/core/impl/file_win32.ipp
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@ -198,11 +198,28 @@ open(char const* path, file_mode mode, error_code& ec)
creation_disposition, creation_disposition,
flags_and_attributes, flags_and_attributes,
NULL); NULL);
if(h_ == boost::winapi::INVALID_HANDLE_VALUE_) if (h_ == boost::winapi::INVALID_HANDLE_VALUE_)
{
ec.assign(boost::winapi::GetLastError(), ec.assign(boost::winapi::GetLastError(),
system_category()); system_category());
else return;
ec = {}; }
if (mode == file_mode::append ||
mode == file_mode::append_existing)
{
boost::winapi::LARGE_INTEGER_ in;
in.QuadPart = 0;
if (!detail::set_file_pointer_ex(h_, in, 0,
boost::winapi::FILE_END_))
{
ec.assign(boost::winapi::GetLastError(),
system_category());
boost::winapi::CloseHandle(h_);
h_ = boost::winapi::INVALID_HANDLE_VALUE_;
return;
}
}
ec = {};
} }
std::uint64_t std::uint64_t