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| author | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-06-06 15:50:01 +0000 |
|---|---|---|
| committer | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-06-06 15:50:01 +0000 |
| commit | bab71865ec13fff8dc212e6e538abe3cde7de6e8 (patch) | |
| tree | b15bf139bf144af8c5e2d5e8f92998649060292b /libstdc++-v3/src | |
| parent | 5d4123dccd2a24383e09a0d08bb9ea11e849b14b (diff) | |
| download | gcc-bab71865ec13fff8dc212e6e538abe3cde7de6e8.tar.gz | |
libstdc++/71320 Add or remove file permissions correctly
PR libstdc++/71320
* src/filesystem/ops.cc (permissions(const path&, perms, error_code&)):
Add or remove permissions according to perms argument.
* testsuite/experimental/filesystem/operations/permissions.cc: New
test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237136 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/src')
| -rw-r--r-- | libstdc++-v3/src/filesystem/ops.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libstdc++-v3/src/filesystem/ops.cc b/libstdc++-v3/src/filesystem/ops.cc index 5b82088891e..67ed8e6e564 100644 --- a/libstdc++-v3/src/filesystem/ops.cc +++ b/libstdc++-v3/src/filesystem/ops.cc @@ -1084,6 +1084,28 @@ fs::permissions(const path& p, perms prms) void fs::permissions(const path& p, perms prms, error_code& ec) noexcept { + const bool add = is_set(prms, perms::add_perms); + const bool remove = is_set(prms, perms::remove_perms); + if (add && remove) + { + ec = std::make_error_code(std::errc::invalid_argument); + return; + } + + prms &= perms::mask; + + if (add || remove) + { + auto st = status(p, ec); + if (ec) + return; + auto curr = st.permissions(); + if (add) + prms |= curr; + else + prms = curr & ~prms; + } + #if _GLIBCXX_USE_FCHMODAT if (::fchmodat(AT_FDCWD, p.c_str(), static_cast<mode_t>(prms), 0)) #else |