package azblob
import (
"errors"
)
type bytesWriter []byte
func newBytesWriter(b []byte) bytesWriter {
return b
}
func (c bytesWriter) WriteAt(b []byte, off int64) (int, error) {
if off >= int64(len(c)) || off < 0 {
return 0, errors.New("Offset value is out of range")
}
n := copy(c[int(off):], b)
if n < len(b) {
return n, errors.New("Not enough space for all bytes")
}
return n, nil
}