[Support] Fill the file_status struct with link count.

Differential Revision: https://reviews.llvm.org/D31110

llvm-svn: 298326

2 files changed, 13 insertions, 5 deletions

diff --git a/llvm/lib/Support/Unix/Path.inc b/llvm/lib/Support/Unix/Path.inc
index 80bb1a42a13..7a5816ba1dd 100644
--- a/llvm/lib/Support/Unix/Path.inc
+++ b/llvm/lib/Support/Unix/Path.inc
@@ -230,6 +230,10 @@ UniqueID file_status::getUniqueID() const {
   return UniqueID(fs_st_dev, fs_st_ino);
 }
 
+uint32_t file_status::getLinkCount() const {
+  return fs_st_nlinks;
+}
+
 ErrorOr<space_info> disk_space(const Twine &Path) {
   struct STATVFS Vfs;
   if (::STATVFS(Path.str().c_str(), &Vfs))
@@ -549,10 +553,9 @@ static std::error_code fillStatus(int StatRet, const struct stat &Status,
     Type = file_type::symlink_file;
 
   perms Perms = static_cast<perms>(Status.st_mode) & all_perms;
-  Result =
-      file_status(Type, Perms, Status.st_dev, Status.st_ino, Status.st_atime,
-                  Status.st_mtime, Status.st_uid, Status.st_gid,
-                  Status.st_size);
+  Result = file_status(Type, Perms, Status.st_dev, Status.st_nlink,
+                       Status.st_ino, Status.st_atime, Status.st_mtime,
+                       Status.st_uid, Status.st_gid, Status.st_size);
 
   return std::error_code();
 }
diff --git a/llvm/lib/Support/Windows/Path.inc b/llvm/lib/Support/Windows/Path.inc
index 97682c11839..b00d3905f65 100644
--- a/llvm/lib/Support/Windows/Path.inc
+++ b/llvm/lib/Support/Windows/Path.inc
@@ -179,6 +179,10 @@ TimePoint<> file_status::getLastModificationTime() const {
   return toTimePoint(Time);
 }
 
+uint32_t file_status::getLinkCount() const {
+  return NumLinks;
+}
+
 std::error_code current_path(SmallVectorImpl<char> &result) {
   SmallVector<wchar_t, MAX_PATH> cur_path;
   DWORD len = MAX_PATH;
@@ -534,7 +538,8 @@ static std::error_code getStatus(HANDLE FileHandle, file_status &Result) {
                             ? (all_read | all_exe)
                             : all_all;
     Result = file_status(
-        Type, Permissions, Info.ftLastAccessTime.dwHighDateTime,
+        Type, Permissions, Info.nNumberOfLinks,
+        Info.ftLastAccessTime.dwHighDateTime,
         Info.ftLastAccessTime.dwLowDateTime,
         Info.ftLastWriteTime.dwHighDateTime, Info.ftLastWriteTime.dwLowDateTime,
         Info.dwVolumeSerialNumber, Info.nFileSizeHigh, Info.nFileSizeLow,