Minor work on the Writer

writer_write.go

@@ -4,25 +4,41 @@ import (
 	"errors"
 	"io"
 	"math"
+	"time"
 )
 
+func (w Writer) countInodes() (out uint32) {
+	out++ // for the root indode
+	for _, fold := range w.folders {
+		out += uint32(len(w.structure[fold]))
+	}
+	return
+}
+
 //WriteTo attempts to write the archive to the given io.Writer.
-func (w *Writer) WriteTo(write io.Writer) (int64, error) {
+func (w *Writer) WriteTo(write io.WriteSeeker) (int64, error) {
 	if w.BlockSize > 1048576 {
 		w.BlockSize = 1048576
 	} else if w.BlockSize < 4096 {
 		w.BlockSize = 4096
 	}
+	w.Flags.Duplicates = false
+	w.Flags.Exportable = false
+	w.Flags.NoXattr = true
 	//TODO: set forced Flag values
-	_ = superblock{
+	//TODO: make sure we aren't missing folders
+	super := superblock{
 		Magic:           magic,
+		InodeCount:      w.countInodes(),
+		CreationTime:    uint32(time.Now().Unix()),
 		BlockSize:       w.BlockSize,
-		BlockLog:        uint16(math.Log2(float64(w.BlockSize))),
 		CompressionType: uint16(w.compressionType),
+		BlockLog:        uint16(math.Log2(float64(w.BlockSize))),
 		Flags:           w.Flags.ToUint(),
 		IDCount:         uint16(len(w.uidGUIDTable)),
 		MajorVersion:    4,
 		MinorVersion:    0,
 	}
+	_ = super
 	return 0, errors.New("I SAID DON'T")
 }