From eff9a3011c8e51817ebad468eef4b03e52e83626 Mon Sep 17 00:00:00 2001
From: "kr.angelov" <kr.angelov@gmail.com>
Date: Wed, 9 Oct 2013 08:37:42 +0000
Subject: [PATCH] added gu_is_space in gu/utf8.h. this helps to avoid the
 dependency on the broken unicode library for C.

---
 src/runtime/c/gu/utf8.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/runtime/c/gu/utf8.h b/src/runtime/c/gu/utf8.h
index 7674c6e02..3118c4071 100644
--- a/src/runtime/c/gu/utf8.h
+++ b/src/runtime/c/gu/utf8.h
@@ -37,4 +37,10 @@ gu_utf8_decode(const uint8_t** utf8);
 void
 gu_in_utf8_buf(uint8_t** buf, GuIn* in, GuExn* err);
 
+bool
+gu_is_space(uint8_t c) {
+	return (c == '\t' || c == '\n' || c == '\v' ||
+	        c == '\f' || c == '\r' || c == ' ');
+}
+
 #endif // GU_UTF8_H_