diff options
Diffstat (limited to 'pkg/buffer/buffer.go')
-rw-r--r-- | pkg/buffer/buffer.go | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/pkg/buffer/buffer.go b/pkg/buffer/buffer.go deleted file mode 100644 index 311808ae9..000000000 --- a/pkg/buffer/buffer.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2020 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package buffer provides the implementation of a buffer view. -// -// A view is an flexible buffer, supporting the safecopy operations natively as -// well as the ability to grow via either prepend or append, as well as shrink. -package buffer - -// buffer encapsulates a queueable byte buffer. -// -// +stateify savable -type buffer struct { - data []byte - read int - write int - bufferEntry -} - -// init performs in-place initialization for zero value. -func (b *buffer) init(size int) { - b.data = make([]byte, size) -} - -// Reset resets read and write locations, effectively emptying the buffer. -func (b *buffer) Reset() { - b.read = 0 - b.write = 0 -} - -// Full indicates the buffer is full. -// -// This indicates there is no capacity left to write. -func (b *buffer) Full() bool { - return b.write == len(b.data) -} - -// ReadSize returns the number of bytes available for reading. -func (b *buffer) ReadSize() int { - return b.write - b.read -} - -// ReadMove advances the read index by the given amount. -func (b *buffer) ReadMove(n int) { - b.read += n -} - -// ReadSlice returns the read slice for this buffer. -func (b *buffer) ReadSlice() []byte { - return b.data[b.read:b.write] -} - -// WriteSize returns the number of bytes available for writing. -func (b *buffer) WriteSize() int { - return len(b.data) - b.write -} - -// WriteMove advances the write index by the given amount. -func (b *buffer) WriteMove(n int) { - b.write += n -} - -// WriteSlice returns the write slice for this buffer. -func (b *buffer) WriteSlice() []byte { - return b.data[b.write:] -} |