X-Git-Url: http://www.git.stargrave.org/?p=glocate.git;a=blobdiff_plain;f=writer.go;fp=writer.go;h=e12a19c0d7f2103ae9c88e4c4f3c237bb3d03f62819ea98eb33c93210f221256;hp=0000000000000000000000000000000000000000000000000000000000000000;hb=d5b8c235a1f3088c6c1e7261df3d1b565d042db2ba2ad1bbd1018782b9178e1f;hpb=411a031ec7cc707b8269acc3dfe28bc8db1bab5a9a91781c26809ae9853c6f6a

diff --git a/writer.go b/writer.go
new file mode 100644
index 0000000..e12a19c
--- /dev/null
+++ b/writer.go
@@ -0,0 +1,35 @@
+package main
+
+import (
+	"encoding/binary"
+	"io"
+	"log"
+)
+
+func mustWrite(w io.Writer, buf []byte) {
+	if _, err := w.Write(buf); err != nil {
+		log.Fatalln(err)
+	}
+}
+
+func writer(w io.Writer, sink chan Ent) {
+	num := make([]byte, 8)
+	var name string
+	for ent := range sink {
+		name = ent.name[len(ent.name)-1]
+		if len(ent.name) >= 1<<16 {
+			panic("too long")
+		}
+		binary.BigEndian.PutUint16(num[:2], uint16(len(name)))
+		mustWrite(w, num[:2])
+		mustWrite(w, []byte(name))
+		if len(ent.name) >= 1<<8 {
+			panic("too deep")
+		}
+		mustWrite(w, []byte{byte(len(ent.name) - 1)})
+		binary.BigEndian.PutUint64(num, uint64(ent.mtime))
+		mustWrite(w, num)
+		binary.BigEndian.PutUint64(num, uint64(ent.size))
+		mustWrite(w, num)
+	}
+}