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- package readers
- import "io"
- // ReadFill reads as much data from r into buf as it can
- //
- // It reads until the buffer is full or r.Read returned an error.
- //
- // This is io.ReadFull but when you just want as much data as
- // possible, not an exact size of block.
- func ReadFill(r io.Reader, buf []byte) (n int, err error) {
- var nn int
- for n < len(buf) && err == nil {
- nn, err = r.Read(buf[n:])
- n += nn
- }
- return n, err
- }
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