Stat most files without opening them

[goredo.git] / inode.go

diff --git a/inode.go b/inode.go
index 82b61984ab0f37e05c14dd0e2034410ec0dfe4d2..22aa14237377dfe4c8a5bf8f189b9c3dbbb6922f 100644 (file)
--- a/inode.go
+++ b/inode.go
@@ -84,8 +84,19 @@ func (inode *Inode) RecfileFields() []recfile.Field {
        }
 }
 
-func inodeFromFile(fd *os.File) (*Inode, error) {
-       var fi os.FileInfo
+func inodeFromFileStat(fi os.FileInfo, stat unix.Stat_t) *Inode {
+       ctimeSec, ctimeNsec := stat.Ctim.Unix()
+       mtimeSec := fi.ModTime().Unix()
+       mtimeNsec := fi.ModTime().UnixNano()
+       return &Inode{
+               Size:     fi.Size(),
+               InodeNum: uint64(stat.Ino),
+               CtimeSec: ctimeSec, CtimeNsec: ctimeNsec,
+               MtimeSec: mtimeSec, MtimeNsec: mtimeNsec,
+       }
+}
+
+func inodeFromFileByFd(fd *os.File) (*Inode, error) {
        fi, err := fd.Stat()
        if err != nil {
                return nil, err
@@ -95,15 +106,20 @@ func inodeFromFile(fd *os.File) (*Inode, error) {
        if err != nil {
                return nil, err
        }
-       ctimeSec, ctimeNsec := stat.Ctim.Unix()
-       mtimeSec := fi.ModTime().Unix()
-       mtimeNsec := fi.ModTime().UnixNano()
-       return &Inode{
-               Size:     fi.Size(),
-               InodeNum: uint64(stat.Ino),
-               CtimeSec: ctimeSec, CtimeNsec: ctimeNsec,
-               MtimeSec: mtimeSec, MtimeNsec: mtimeNsec,
-       }, nil
+       return inodeFromFileStat(fi, stat), nil
+}
+
+func inodeFromFileByPath(p string) (*Inode, error) {
+       fi, err := os.Stat(p)
+       if err != nil {
+               return nil, err
+       }
+       var stat unix.Stat_t
+       err = unix.Stat(p, &stat)
+       if err != nil {
+               return nil, err
+       }
+       return inodeFromFileStat(fi, stat), nil
 }
 
 func inodeFromRec(m map[string]string) (*Inode, error) {