https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118003
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Changing directory does work:
--- a/libstdc++-v3/src/c++17/fs_ops.cc
+++ b/libstdc++-v3/src/c++17/fs_ops.cc
@@ -1327,8 +1327,22 @@ fs::remove(const path& p, error_code& ec) noexcept
std::uintmax_t
fs::remove_all(const path& p)
{
- error_code ec;
uintmax_t count = 0;
+#if _GLIBCXX_FILESYSTEM_IS_WINDOWS
+ if (is_directory(p))
+ {
+ struct Guard
+ {
+ fs::path cwd = fs::current_path();
+ ~Guard() { fs::current_path(cwd); }
+ } g;
+ fs::current_path(p);
+ directory_iterator end;
+ for (directory_iterator dir(L"."); dir != end; ++dir)
+ count += fs::remove_all(*dir);
+ }
+#else
+ error_code ec;
recursive_directory_iterator dir(p, directory_options{64|128}, ec);
switch (ec.value()) // N.B. assumes ec.category() == std::generic_category()
{
@@ -1363,6 +1377,7 @@ fs::remove_all(const path& p)
// An error occurred.
_GLIBCXX_THROW_OR_ABORT(filesystem_error("cannot remove all", p, ec));
}
+#endif
// Remove p itself, which is either a non-directory or is now empty.
return count + fs::remove(p);
@@ -1372,6 +1387,22 @@ std::uintmax_t
fs::remove_all(const path& p, error_code& ec)
{
uintmax_t count = 0;
+#if _GLIBCXX_FILESYSTEM_IS_WINDOWS
+ if (is_directory(p, ec))
+ {
+ struct Guard
+ {
+ fs::path cwd = fs::current_path();
+ ~Guard() { fs::current_path(cwd); }
+ } g;
+ fs::current_path(p);
+ directory_iterator end;
+ for (directory_iterator dir(L".", ec); !ec && dir != end;
dir.increment(ec))
+ count += fs::remove_all(*dir, ec);
+ }
+ else if (ec)
+ return -1;
+#else
recursive_directory_iterator dir(p, directory_options{64|128}, ec);
switch (ec.value()) // N.B. assumes ec.category() == std::generic_category()
{
@@ -1409,6 +1440,7 @@ fs::remove_all(const path& p, error_code& ec)
// An error occurred.
return -1;
}
+#endif
// Remove p itself, which is either a non-directory or is now empty.
if (int last = fs::remove(p, ec); !ec)
