From: Denis Pronin <dannftk@yandex.ru>
Date: Sun, 10 Apr 2022 12:41:47 +0000 (+0300)
Subject: fixed bunch of memory leaks in json constructor
X-Git-Tag: test-tag-2022-08-09~62^2~1
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e0825685ecf76988683488390096890114478aab;p=fio.git

fixed bunch of memory leaks in json constructor

fixed memory leak produced by not freed string given by 'strdup' in
'json_object_add_value_string' function

Signed-off-by: Denis Pronin <dannftk@yandex.ru>
---

diff --git a/json.h b/json.h
index d9824263..66bb06b1 100644
--- a/json.h
+++ b/json.h
@@ -81,8 +81,13 @@ static inline int json_object_add_value_string(struct json_object *obj,
 	struct json_value arg = {
 		.type = JSON_TYPE_STRING,
 	};
+	union {
+		const char *a;
+		char *b;
+	} string;
 
-	arg.string = strdup(val ? : "");
+	string.a = val ? val : "";
+	arg.string = string.b;
 	return json_object_add_value_type(obj, name, &arg);
 }