(p []byte)
| 62 | } |
| 63 | |
| 64 | func (w *truncWriter) Write(p []byte) (int, error) { |
| 65 | n := 0 |
| 66 | |
| 67 | // fill buffer first for simplicity. |
| 68 | if w.n < len(w.p) { |
| 69 | n = copy(w.p[w.n:], p) |
| 70 | p = p[n:] |
| 71 | w.n += n |
| 72 | if len(p) == 0 { |
| 73 | return n, nil |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | m := len(p) |
| 78 | if m > len(w.p) { |
| 79 | m = len(w.p) |
| 80 | } |
| 81 | |
| 82 | if nn, err := w.w.Write(w.p[:m]); err != nil { |
| 83 | return n + nn, err |
| 84 | } |
| 85 | |
| 86 | copy(w.p[:], w.p[m:]) |
| 87 | copy(w.p[len(w.p)-m:], p[len(p)-m:]) |
| 88 | nn, err := w.w.Write(p[:len(p)-m]) |
| 89 | return n + nn, err |
| 90 | } |
| 91 | |
| 92 | type flateWriteWrapper struct { |
| 93 | fw *flate.Writer |
no outgoing calls