1 files changed, 26 insertions, 2 deletions
diff --git a/vendor/github.com/tdewolff/parse/v2/buffer/writer.go b/vendor/github.com/tdewolff/parse/v2/buffer/writer.go
index b3c9990d9..6c94201ff 100644
--- a/vendor/github.com/tdewolff/parse/v2/buffer/writer.go
+++ b/vendor/github.com/tdewolff/parse/v2/buffer/writer.go
@@ -1,14 +1,29 @@
 package buffer
 
+import (
+	"io"
+)
+
 // Writer implements an io.Writer over a byte slice.
 type Writer struct {
-	buf []byte
+	buf    []byte
+	err    error
+	expand bool
 }
 
 // NewWriter returns a new Writer for a given byte slice.
 func NewWriter(buf []byte) *Writer {
 	return &Writer{
-		buf: buf,
+		buf:    buf,
+		expand: true,
+	}
+}
+
+// NewStaticWriter returns a new Writer for a given byte slice. It does not reallocate and expand the byte-slice.
+func NewStaticWriter(buf []byte) *Writer {
+	return &Writer{
+		buf:    buf,
+		expand: false,
 	}
 }
 
@@ -17,6 +32,10 @@ func (w *Writer) Write(b []byte) (int, error) {
 	n := len(b)
 	end := len(w.buf)
 	if end+n > cap(w.buf) {
+		if !w.expand {
+			w.err = io.EOF
+			return 0, io.EOF
+		}
 		buf := make([]byte, end, 2*cap(w.buf)+n)
 		copy(buf, w.buf)
 		w.buf = buf
@@ -39,3 +58,8 @@ func (w *Writer) Bytes() []byte {
 func (w *Writer) Reset() {
 	w.buf = w.buf[:0]
 }
+
+// Close returns the last error.
+func (w *Writer) Close() error {
+	return w.err
+}