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Issue #539: use a internal-only serializer function in json_object_new_double_s() to avoid potential conflicts with user code that uses the json_object_userdata_to_json_string serializer. Also, document the serializer-resetting behavior of json_object_set_double().

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This commit is contained in:
Eric Haszlakiewicz
2020-02-14 03:48:02 +00:00
parent 4bf7ffa984
commit 518f337ce8
2 changed files with 21 additions and 4 deletions
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6
json_object.h
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@@ -801,7 +801,8 @@ JSON_EXPORT struct json_object* json_object_new_double(double d);
* The userdata field is used to store the string representation, so it
* can't be used for other data if this function is used.
*
* An equivalent sequence of calls is:
* A roughly equivalent sequence of calls, with the difference being that
* the serialization function won't be reset by json_object_set_double(), is:
* @code
* jso = json_object_new_double(d);
* json_object_set_serializer(jso, json_object_userdata_to_json_string,
@@ -885,6 +886,9 @@ JSON_EXPORT double json_object_get_double(const struct json_object *obj);
* if it is not without any further actions. If type of obj is json_type_double
* the object value is changed to new_value
*
* If the object was created with json_object_new_double_s(), the serialization
* function is reset to the default and the cached serialized value is cleared.
*
* @param obj the json_object instance
* @param new_value the value to be set
* @returns 1 if value is set correctly, 0 otherwise