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common: remove unused recursive file enumeration (#681)

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common: don't follow reparse points in the Windows recursive file walk

SysFileFindFiles recurses into every entry carrying
FILE_ATTRIBUTE_DIRECTORY, which on Windows includes directory symlinks
and junctions. A junction pointing at one of its own ancestors makes the
walk recurse until the stack runs out.

The Linux implementation already guards against this: it uses lstat
rather than stat specifically so a symlink is never followed into a
cycle. Skip reparse-point entries on Windows for the same reason.

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Maayan080
2026-09-20 17:50:57 +03:00
committed by GitHub
parent b8ad1d8c4b
commit c3cc8454b9
6 changed files with 0 additions and 157 deletions
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src/common/platform/sysFileIO.h
-10
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@@ -18,14 +18,6 @@ enum sys_file_cache_type_t {
SYS_FILE_CACHE_SEQUENTIAL_SCAN = 2 // NOLINT(readability-identifier-naming)
};
// NOLINTNEXTLINE(readability-identifier-naming)
struct sys_file_find_t {
std::filesystem::path path_with_name;
SysFileTimeStruct last_access_time;
SysFileTimeStruct last_write_time;
uint64_t size;
};
// NOLINTNEXTLINE(readability-identifier-naming)
struct sys_dir_entry_t {
std::string name;
@@ -75,8 +67,6 @@ bool SysFileSetLastWriteTimeUtc(const std::filesystem::path& name, SysFileTimeSt
bool SysFileSetLastAccessAndWriteTimeUtc(const std::filesystem::path& name,
SysFileTimeStruct& access, SysFileTimeStruct& write);
// NOLINTNEXTLINE(google-runtime-references)
void SysFileFindFiles(const std::filesystem::path& path, std::vector<sys_file_find_t>& out);
// NOLINTNEXTLINE(google-runtime-references)
void SysFileGetDents(const std::filesystem::path& path, std::vector<sys_dir_entry_t>& out);
bool SysFileCopyFile(const std::filesystem::path& src, const std::filesystem::path& dst);
bool SysFileRenameFile(const std::filesystem::path& src, const std::filesystem::path& dst);