intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 47 insertions, 0 deletions

diff --git a/util/system/fstat.h b/util/system/fstat.h
new file mode 100644
index 0000000000..64e79e1b55
--- /dev/null
+++ b/util/system/fstat.h
@@ -0,0 +1,47 @@
+#pragma once
+
+#include <util/generic/fwd.h>
+#include <util/system/fhandle.h>
+
+class TFile;
+class TFsPath;
+
+struct TFileStat {
+    ui32 Mode = 0; /* protection */
+    ui32 Uid = 0;  /* user ID of owner */
+    ui32 Gid = 0;  /* group ID of owner */
+
+    ui64 NLinks = 0;         /* number of hard links */
+    ui64 Size = 0;           /* total size, in bytes */
+    ui64 INode = 0;          /* inode number */
+    ui64 AllocationSize = 0; /* number of bytes allocated on the disk */
+
+    time_t ATime = 0; /* time of last access */
+    time_t MTime = 0; /* time of last modification */
+    time_t CTime = 0; /* time of last status change */
+
+public:
+    TFileStat();
+
+    bool IsNull() const noexcept;
+
+    bool IsFile() const noexcept;
+    bool IsDir() const noexcept;
+    bool IsSymlink() const noexcept;
+
+    explicit TFileStat(const TFile& f);
+    explicit TFileStat(FHANDLE f);
+    TFileStat(const TFsPath& fileName, bool nofollow = false);
+    TFileStat(const TString& fileName, bool nofollow = false);
+    TFileStat(const char* fileName, bool nofollow = false);
+
+    friend bool operator==(const TFileStat& l, const TFileStat& r) noexcept;
+    friend bool operator!=(const TFileStat& l, const TFileStat& r) noexcept;
+
+private:
+    void MakeFromFileName(const char* fileName, bool nofollow);
+};
+
+i64 GetFileLength(FHANDLE fd);
+i64 GetFileLength(const char* name);
+i64 GetFileLength(const TString& name);