print_number: fix Off-By-One error

Thanks @liuyunbin for reporting this in #230
DaveGamble · Jan 9, 2018 · 4d84acf · 4d84acf
1 parent 28d4410
commit 4d84acf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cJSON.c b/cJSON.c
@@ -512,7 +512,7 @@ static cJSON_bool print_number(const cJSON * const item, printbuffer * const out
     }
 
     /* reserve appropriate space in the output */
-    output_pointer = ensure(output_buffer, (size_t)length);
+    output_pointer = ensure(output_buffer, (size_t)length + sizeof(""));
     if (output_pointer == NULL)
     {
         return false;