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Fix error handling in filesystem::is_empty 

* src/filesystem/ops.cc (is_empty): Fix error handling.
	* testsuite/experimental/filesystem/operations/is_empty.cc: New test.

From-SVN: r241488
This commit is contained in:
Jonathan Wakely 2016-10-24 17:45:55 +01:00 committed by Jonathan Wakely
parent 6daff2d946
commit 94caf86019
2 changed files with 12 additions and 5 deletions
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3
libstdc++-v3/ChangeLog
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@ -1,5 +1,8 @@
2016-10-24 Jonathan Wakely <jwakely@redhat.com>
* src/filesystem/ops.cc (is_empty): Fix error handling.
* testsuite/experimental/filesystem/operations/is_empty.cc: New test.
PR libstdc++/71337
* src/filesystem/ops.cc (temp_directory_path): Pass error_code
argument to other filesystem operations.

14
libstdc++-v3/src/filesystem/ops.cc
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@ -1022,20 +1022,24 @@ fs::hard_link_count(const path& p, error_code& ec) noexcept
bool
fs::is_empty(const path& p)
{
return fs::is_directory(status(p))
? fs::directory_iterator(p) == fs::directory_iterator()
: fs::file_size(p) == 0;
error_code ec;
bool e = is_empty(p, ec);
if (ec)
_GLIBCXX_THROW_OR_ABORT(filesystem_error("cannot check is file is empty",
p, ec));
return e;
}
bool
fs::is_empty(const path& p, error_code& ec) noexcept
{
auto s = status(p, ec);
if (ec.value())
if (ec)
return false;
return fs::is_directory(s)
bool empty = fs::is_directory(s)
? fs::directory_iterator(p, ec) == fs::directory_iterator()
: fs::file_size(p, ec) == 0;
return ec ? false : empty;
}
fs::file_time_type