| // Copyright 2016 Google LLC |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package gensupport |
| |
| import ( |
| "io" |
| "time" |
| ) |
| |
| // errReader reads out of a buffer until it is empty, then returns the specified error. |
| type errReader struct { |
| buf []byte |
| err error |
| } |
| |
| func (er *errReader) Read(p []byte) (int, error) { |
| if len(er.buf) == 0 { |
| if er.err == nil { |
| return 0, io.EOF |
| } |
| return 0, er.err |
| } |
| n := copy(p, er.buf) |
| er.buf = er.buf[n:] |
| return n, nil |
| } |
| |
| // NoPauseBackoff implements backoff strategy with infinite 0-length pauses. |
| type NoPauseBackoff struct{} |
| |
| func (bo *NoPauseBackoff) Pause() time.Duration { return 0 } |
