// NewBufferedByteSliceWrapper create a new BufferedByteSliceWrapper
func NewBufferedByteSliceWrapper(size, alloc int) *BufferedByteSliceWrapper {
if size < 1 {
panic("buffer number should be > 0")
}
if alloc < 1 {
panic("buffer size should be > 0")
}
return &BufferedByteSliceWrapper{bpool.NewSizedBufferPool(size, alloc)}
}
// NewBufferedByteSliceWrapper2 could pre-alloc space according to length of slice and width
func NewBufferedByteSliceWrapper2(size int, length, width int) *BufferedByteSliceWrapper {
if size < 1 {
// panic("buffer number should be > 0")
size = 1
}
if length < 1 {
// panic("buffer size should be > 0")
length = 1
}
if width <= 0 {
return NewBufferedByteSliceWrapper(size, length)
}
var lines int
if length%width == 0 {
lines = length/width - 1
} else {
lines = int(length / width)
}
return &BufferedByteSliceWrapper{bpool.NewSizedBufferPool(size, length+lines)}
}