json: Add copy of MIT license text from cJSON

When we incorporate external code, we should include its license,
(particularly when one of the terms of the license is to include it in
copies).

diff --git a/json.c b/json.c
index 396075002db017309f8768b0a1c75e0967aaeeba..96141433d578b037aa9dbd2217ccb6ff40ecad04 100644 (file)
--- a/json.c
+++ b/json.c
@@ -1,5 +1,6 @@
 /* notmuch - Not much of an email program, (just index and search)
  *
+ * Copyright © 2009 Dave Gamble
  * Copyright © 2009 Scott Robinson
  *
  * This program is free software: you can redistribute it and/or modify
@@ -15,17 +16,37 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see http://www.gnu.org/licenses/ .
  *
- * Authors: Scott Robinson <scott@quadhome.com>
+ * Authors: Dave Gamble
+ *          Scott Robinson <scott@quadhome.com>
  *
  */
 
 #include "notmuch-client.h"
 
-/*
- * json_quote_str derived from cJSON's print_string_ptr,
+/* This function was derived from the print_string_ptr function of
+ * cJSON (http://cjson.sourceforge.net/) and is used by permission of
+ * the following license:
+ *
  * Copyright (c) 2009 Dave Gamble
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
  */
-
 char *
 json_quote_str(const void *ctx, const char *str)
 {