mirror of
https://github.com/minio/minio.git
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2aa18cafc6
With CoreDNS now supporting etcdv3 as the DNS backend, we can update our federation target to etcdv3. Users will now be able to use etcdv3 server as the federation backbone. Minio will update bucket data to etcdv3 and CoreDNS can pick that data up and serve it as bucket style DNS path.
116 lines
3.5 KiB
Go
116 lines
3.5 KiB
Go
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// Package buffer provides a thin wrapper around a byte slice. Unlike the
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// standard library's bytes.Buffer, it supports a portion of the strconv
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// package's zero-allocation formatters.
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package buffer // import "go.uber.org/zap/buffer"
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import "strconv"
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const _size = 1024 // by default, create 1 KiB buffers
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// Buffer is a thin wrapper around a byte slice. It's intended to be pooled, so
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// the only way to construct one is via a Pool.
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type Buffer struct {
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bs []byte
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pool Pool
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}
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// AppendByte writes a single byte to the Buffer.
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func (b *Buffer) AppendByte(v byte) {
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b.bs = append(b.bs, v)
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}
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// AppendString writes a string to the Buffer.
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func (b *Buffer) AppendString(s string) {
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b.bs = append(b.bs, s...)
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}
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// AppendInt appends an integer to the underlying buffer (assuming base 10).
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func (b *Buffer) AppendInt(i int64) {
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b.bs = strconv.AppendInt(b.bs, i, 10)
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}
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// AppendUint appends an unsigned integer to the underlying buffer (assuming
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// base 10).
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func (b *Buffer) AppendUint(i uint64) {
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b.bs = strconv.AppendUint(b.bs, i, 10)
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}
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// AppendBool appends a bool to the underlying buffer.
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func (b *Buffer) AppendBool(v bool) {
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b.bs = strconv.AppendBool(b.bs, v)
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}
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// AppendFloat appends a float to the underlying buffer. It doesn't quote NaN
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// or +/- Inf.
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func (b *Buffer) AppendFloat(f float64, bitSize int) {
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b.bs = strconv.AppendFloat(b.bs, f, 'f', -1, bitSize)
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}
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// Len returns the length of the underlying byte slice.
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func (b *Buffer) Len() int {
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return len(b.bs)
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}
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// Cap returns the capacity of the underlying byte slice.
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func (b *Buffer) Cap() int {
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return cap(b.bs)
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}
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// Bytes returns a mutable reference to the underlying byte slice.
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func (b *Buffer) Bytes() []byte {
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return b.bs
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}
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// String returns a string copy of the underlying byte slice.
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func (b *Buffer) String() string {
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return string(b.bs)
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}
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// Reset resets the underlying byte slice. Subsequent writes re-use the slice's
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// backing array.
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func (b *Buffer) Reset() {
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b.bs = b.bs[:0]
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}
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// Write implements io.Writer.
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func (b *Buffer) Write(bs []byte) (int, error) {
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b.bs = append(b.bs, bs...)
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return len(bs), nil
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}
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// TrimNewline trims any final "\n" byte from the end of the buffer.
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func (b *Buffer) TrimNewline() {
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if i := len(b.bs) - 1; i >= 0 {
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if b.bs[i] == '\n' {
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b.bs = b.bs[:i]
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}
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}
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}
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// Free returns the Buffer to its Pool.
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//
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// Callers must not retain references to the Buffer after calling Free.
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func (b *Buffer) Free() {
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b.pool.put(b)
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}
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