* [committed] libstdc++: Do not optimize away storing pathname if it's needed
@ 2022-06-28 11:08 Jonathan Wakely
0 siblings, 0 replies; only message in thread
From: Jonathan Wakely @ 2022-06-28 11:08 UTC (permalink / raw)
To: libstdc++, gcc-patches
Tested powerpc64le-linux, pushed to trunk.
-- >8 --
libstdc++-v3/ChangeLog:
* src/c++17/fs_dir.cc (_Dir::_Dir) [!_GLIBCXX_HAVE_OPENAT]:
Always store pathname if we don't have openat or unlinkat,
because the full path is needed to open sub-directories and
remove entries.
---
libstdc++-v3/src/c++17/fs_dir.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libstdc++-v3/src/c++17/fs_dir.cc b/libstdc++-v3/src/c++17/fs_dir.cc
index 25b33baa875..025317b0a08 100644
--- a/libstdc++-v3/src/c++17/fs_dir.cc
+++ b/libstdc++-v3/src/c++17/fs_dir.cc
@@ -48,7 +48,7 @@ struct fs::_Dir : _Dir_base
[[maybe_unused]] bool filename_only, error_code& ec)
: _Dir_base(fdcwd(), p.c_str(), skip_permission_denied, nofollow, ec)
{
-#if _GLIBCXX_HAVE_DIRFD
+#if _GLIBCXX_HAVE_DIRFD && _GLIBCXX_HAVE_OPENAT && _GLIBCXX_HAVE_UNLINKAT
if (filename_only)
return; // Do not store path p when we aren't going to use it.
#endif
--
2.36.1
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2022-06-28 11:08 [committed] libstdc++: Do not optimize away storing pathname if it's needed Jonathan Wakely
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