From 8df1bcd1b6af30bff6028d47d956addd483ae555 Mon Sep 17 00:00:00 2001
From: Andrew McCloskey <awmcc90@gmail.com>
Date: Wed, 10 May 2017 14:35:05 -0400
Subject: [PATCH] Update parser_utils.cc (#106)

When using isspace(c), c should be an unsigned char given __chvalidator() requires a valid ascii value ( c >= -1 && c <= 255) and throws an error in the case of a signed char value between -128 and -2.
---
 io/parser_utils.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io/parser_utils.cc b/io/parser_utils.cc
index cc0beec..190f543 100644
--- a/io/parser_utils.cc
+++ b/io/parser_utils.cc
@@ -51,7 +51,7 @@ void SkipWhitespace(DecoderBuffer *buffer) {
 }
 
 bool PeekWhitespace(DecoderBuffer *buffer, bool *end_reached) {
-  char c;
+  unsigned char c;
   if (!buffer->Peek(&c)) {
     *end_reached = true;
     return false;  // eof reached.