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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /mozglue/misc/GetKnownFolderPath.cpp
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--mozglue/misc/GetKnownFolderPath.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/mozglue/misc/GetKnownFolderPath.cpp b/mozglue/misc/GetKnownFolderPath.cpp
new file mode 100644
index 0000000000..676a1c8056
--- /dev/null
+++ b/mozglue/misc/GetKnownFolderPath.cpp
@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "GetKnownFolderPath.h"
+
+namespace mozilla {
+
+UniquePtr<wchar_t, LoadedCoTaskMemFreeDeleter> GetKnownFolderPath(
+ REFKNOWNFOLDERID folderId) {
+ static decltype(SHGetKnownFolderPath)* shGetKnownFolderPath = nullptr;
+ if (!shGetKnownFolderPath) {
+ // We could go out of our way to `FreeLibrary` on this, decrementing its
+ // ref count and potentially unloading it. However doing so would be either
+ // effectively a no-op, or counterproductive. Just let it get cleaned up
+ // when the process is terminated, because we're going to load it anyway
+ // elsewhere.
+ HMODULE shell32Dll = ::LoadLibraryW(L"shell32");
+ if (!shell32Dll) {
+ return nullptr;
+ }
+ shGetKnownFolderPath = reinterpret_cast<decltype(shGetKnownFolderPath)>(
+ ::GetProcAddress(shell32Dll, "SHGetKnownFolderPath"));
+ if (!shGetKnownFolderPath) {
+ return nullptr;
+ }
+ }
+ PWSTR path = nullptr;
+ shGetKnownFolderPath(folderId, 0, nullptr, &path);
+ return UniquePtr<wchar_t, LoadedCoTaskMemFreeDeleter>(path);
+}
+
+} // namespace mozilla