37 lines
932 B
Go
37 lines
932 B
Go
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// Copyright 2019 Sorint.lab
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package util
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import (
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"bytes"
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"io"
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)
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type LimitedBuffer struct {
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*bytes.Buffer
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cap int
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}
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func (b *LimitedBuffer) Write(p []byte) (n int, err error) {
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if len(p)+b.Len() > b.cap {
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return 0, io.EOF
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}
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return b.Buffer.Write(p)
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}
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func NewLimitedBuffer(cap int) *LimitedBuffer {
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return &LimitedBuffer{Buffer: &bytes.Buffer{}, cap: cap}
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}
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