X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=mtime.go;fp=ctime.go;h=35afa482946cbaf52b049807e757087d53d19914;hb=8b367e01f9433e383c39ba1121c9e97d1909667f;hp=72047e6a4cf67a5d5a8bf86c6a37e3ff086c149f;hpb=6f937b5776c2557bca361d564275bcaeb31a20b2;p=godlighty.git

diff --git a/ctime.go b/mtime.go
similarity index 75%
rename from ctime.go
rename to mtime.go
index 72047e6..35afa48 100644
--- a/ctime.go
+++ b/mtime.go
@@ -19,19 +19,17 @@ import (
 	"encoding/base64"
 	"encoding/binary"
 	"os"
-
-	"golang.org/x/sys/unix"
 )
 
-func ctimeETag(fd *os.File) (string, error) {
-	var stat unix.Stat_t
-	err := unix.Fstat(int(fd.Fd()), &stat)
+func mtimeETag(fd *os.File) (string, error) {
+	fi, err := fd.Stat()
 	if err != nil {
 		return "", err
 	}
-	sec, nsec := stat.Ctim.Unix()
-	buf := make([]byte, 8*2)
-	binary.BigEndian.PutUint64(buf[:8], uint64(sec))
-	binary.BigEndian.PutUint64(buf[8:], uint64(nsec))
+	mtime := fi.ModTime()
+	buf := make([]byte, 8*3)
+	binary.BigEndian.PutUint64(buf[:8], uint64(fi.Size()))
+	binary.BigEndian.PutUint64(buf[8:16], uint64(mtime.Unix()))
+	binary.BigEndian.PutUint64(buf[16:], uint64(mtime.Nanosecond()))
 	return `"` + base64.RawURLEncoding.EncodeToString(buf) + `"`, nil
 }