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Add ReadByte to bytebuffer

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APPROVED=rsc
DELTA=24  (24 added, 0 deleted, 0 changed)
OCL=30459
CL=30540
This commit is contained in:
Scott Schwartz 2009-06-19 16:29:30 -07:00
parent efc4088ccd
commit 08aab44e48
2 changed files with 24 additions and 0 deletions
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11
src/pkg/io/bytebuffer.go
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@ -102,6 +102,17 @@ func (b *ByteBuffer) Read(p []byte) (n int, err os.Error) {
return n, nil
}
// ReadByte reads and returns the next byte from the buffer.
// If no byte is available, it returns error ErrEOF.
func (b *ByteBuffer) ReadByte() (c byte, err os.Error) {
if b.off >= len(b.buf) {
return 0, ErrEOF;
}
c = b.buf[b.off];
b.off++;
return c, nil;
}
// NewByteBufferFromArray creates and initializes a new ByteBuffer
// with buf as its initial contents.
func NewByteBufferFromArray(buf []byte) *ByteBuffer {