-
Notifications
You must be signed in to change notification settings - Fork 3
/
gitPkt.go
54 lines (50 loc) · 990 Bytes
/
gitPkt.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
package main
import (
"fmt"
"io"
"strconv"
"strings"
)
func readPktLine(r io.ReadCloser) ([]string, error) {
defer r.Close()
out := []string{}
offsetBytes := make([]byte, 4)
for {
// Get and parse offset
_, err := r.Read(offsetBytes)
if err == io.EOF {
break
}
if err != nil {
return nil, err
}
offset, _ := strconv.ParseUint(string(offsetBytes), 16, 16)
if offset == 0 {
out = append(out, "")
continue
}
//if (offsetBytes == []byte{0, 0, 0, 4}) { continue }
// Read remainer
rest := make([]byte, offset-4)
_, err = r.Read(rest)
if err == io.EOF {
break
}
if err != nil {
return nil, err
}
out = append(out, strings.TrimSpace(string(rest)))
}
return out, nil
}
func writePktLines(w io.Writer, d []string) error {
for _, line := range d {
if len(line) == 0 {
fmt.Fprintf(w, "0000")
continue
}
//fmt.Printf("Encoding: %04x%s\n", len(line)+4, line)
fmt.Fprintf(w, "%04x%s", len(line)+4, line)
}
return nil
}