From 0a4e44b8f8b164bdf38a78113bd6dd318f13584b Mon Sep 17 00:00:00 2001
From: Maurice Makaay <maurice@makaay.nl>
Date: Wed, 17 Jul 2019 23:03:00 +0000
Subject: [PATCH] Allow for bufio Readers that deliver data in chunks (like our
 unit test Reader)

---
 read/read.go | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/read/read.go b/read/read.go
index f1e81cc..336c4d2 100644
--- a/read/read.go
+++ b/read/read.go
@@ -157,12 +157,16 @@ func (buf *Buffer) fill(minBytes int) {
 	}
 	buf.grow(minBytes)
 
-	n, err := buf.bufio.Read(buf.buffer[bufLen:cap(buf.buffer)])
-	buf.buffer = buf.buffer[:bufLen+n]
+	for bufLen < minBytes {
+		n, err := buf.bufio.Read(buf.buffer[bufLen:cap(buf.buffer)])
+		bufLen += n
+		buf.buffer = buf.buffer[:bufLen]
 
-	if err != nil {
-		buf.err = err
-		buf.errOffset = bufLen + n
+		if err != nil {
+			buf.err = err
+			buf.errOffset = bufLen
+			break
+		}
 	}
 }