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58 lines
1.1 KiB

package binary
import (
"io"
)
func WriteByteSlice(bz []byte, w io.Writer, n *int64, err *error) {
WriteVarint(len(bz), w, n, err)
WriteTo(bz, w, n, err)
}
func ReadByteSlice(r io.Reader, n *int64, err *error) []byte {
length := ReadVarint(r, n, err)
if *err != nil {
return nil
}
if MaxBinaryReadSize < *n+int64(length) {
*err = ErrMaxBinaryReadSizeReached
return nil
}
buf := make([]byte, length)
ReadFull(buf, r, n, err)
return buf
}
//-----------------------------------------------------------------------------
func WriteByteSlices(bzz [][]byte, w io.Writer, n *int64, err *error) {
WriteVarint(len(bzz), w, n, err)
for _, bz := range bzz {
WriteByteSlice(bz, w, n, err)
if *err != nil {
return
}
}
}
func ReadByteSlices(r io.Reader, n *int64, err *error) [][]byte {
length := ReadVarint(r, n, err)
if *err != nil {
return nil
}
if MaxBinaryReadSize < *n+int64(length) {
*err = ErrMaxBinaryReadSizeReached
return nil
}
bzz := make([][]byte, length)
for i := 0; i < length; i++ {
bz := ReadByteSlice(r, n, err)
if *err != nil {
return nil
}
bzz[i] = bz
}
return bzz
}