diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/io/bytebuffer.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/lib/io/bytebuffer.go b/src/lib/io/bytebuffer.go index 903536717..8af8a09aa 100644 --- a/src/lib/io/bytebuffer.go +++ b/src/lib/io/bytebuffer.go @@ -75,7 +75,15 @@ func (b *ByteBuffer) Len() int { return b.len } +// If the buffer is empty, Data() should still give a valid array. +// Use this variable as a surrogate. It's immutable (can't be +// grown, can't store any data) so it's safe to share. +var EmptyByteArray = new([]byte, 0) + func (b *ByteBuffer) Data() *[]byte { + if b.buf == nil { + return EmptyByteArray + } return b.buf[b.off:b.len] } |