From c49ffbfba82bb1404bc9bab46922c6c169da2322 Mon Sep 17 00:00:00 2001
From: Max Bruckner <max@maxbruckner.de>
Date: Thu, 12 Jan 2017 20:37:29 +0100
Subject: [PATCH] cJSON_Version: returns a version string

This is useful to programmatically find out the version of cJSON that
has been used (useful in case of scripting language bindings for
example).
---
 cJSON.c | 8 ++++++++
 cJSON.h | 4 ++++
 test.c  | 3 +++
 3 files changed, 15 insertions(+)

diff --git a/cJSON.c b/cJSON.c
index b7de473..80c0973 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -58,6 +58,14 @@ const char *cJSON_GetErrorPtr(void)
     return global_ep;
 }
 
+extern const char* cJSON_Version(void)
+{
+    static char version[15];
+    sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH);
+
+    return version;
+}
+
 /* case insensitive strcmp */
 static int cJSON_strcasecmp(const char *s1, const char *s2)
 {
diff --git a/cJSON.h b/cJSON.h
index 6537062..4ef0396 100644
--- a/cJSON.h
+++ b/cJSON.h
@@ -32,6 +32,10 @@ extern "C"
 #define CJSON_VERSION_MAJOR 1
 #define CJSON_VERSION_MINOR 2
 #define CJSON_VERSION_PATCH 0
+
+/* returns the version of cJSON as a string */
+extern const char* cJSON_Version(void);
+
 #include <stddef.h>
 
 /* cJSON Types: */
diff --git a/test.c b/test.c
index e39b933..2af8a26 100644
--- a/test.c
+++ b/test.c
@@ -382,6 +382,9 @@ int main(void)
         "</body>\n"
         "</html>\n";
 
+    /* print the version */
+    printf("Version: %s\n", cJSON_Version());
+
     /* Process each json textblock by parsing, then rebuilding: */
     doit(text1);
     doit(text2);