1 files changed, 13 insertions, 1 deletions
diff --git a/lib/lowmemjson/decode.go b/lib/lowmemjson/decode.go
index 33b4222..6726ca8 100644
--- a/lib/lowmemjson/decode.go
+++ b/lib/lowmemjson/decode.go
@@ -60,6 +60,14 @@ func peekRune(r io.RuneScanner) rune {
 	return c
 }
 
+func peekRuneOrEOF(r io.RuneScanner) (rune, bool) {
+	c, ok := readRuneOrEOF(r)
+	if ok {
+		unreadRune(r)
+	}
+	return c, ok
+}
+
 func expectRune(r io.RuneReader, exp rune) {
 	act := readRune(r)
 	if act != exp {
@@ -279,7 +287,11 @@ func decode(r io.RuneScanner, ptrVal reflect.Value) {
 
 func decodeWS(r io.RuneScanner) {
 	for {
-		switch readRune(r) {
+		c, ok := readRuneOrEOF(r)
+		if !ok {
+			return
+		}
+		switch c {
 		// NB: The JSON definition of whitespace is more
 		// narrow than unicode.IsSpace
 		case 0x0020, 0x000A, 0x000D, 0x0009: