From 5d1069a93c27604df18b8a82e8dd861a17a7c6e0 Mon Sep 17 00:00:00 2001
From: Project Nayuki <me@nayuki.io>
Date: Sun, 7 May 2017 21:51:08 +0000
Subject: [PATCH] Added 'extern "C"' directives to make the C header file
 usable in C++ code.

---
 c/qrcodegen.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/c/qrcodegen.h b/c/qrcodegen.h
index 478d28c..9b37cee 100644
--- a/c/qrcodegen.h
+++ b/c/qrcodegen.h
@@ -76,6 +76,10 @@ enum qrcodegen_Mask {
 
 /*---- Functions to generate QR Codes ----*/
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* 
  * Encodes the given text string to a QR Code symbol, returning true if encoding succeeded.
  * If the data is too long to fit in any version in the given range
@@ -139,3 +143,7 @@ int qrcodegen_getSize(const uint8_t qrcode[]);
  * If the given coordinates are out of bounds, then false (white) is returned.
  */
 bool qrcodegen_getModule(const uint8_t qrcode[], int x, int y);
+
+#ifdef __cplusplus
+}
+#endif