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Add method 'json_object_to_json_string_length'

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This new method allows to also
get the length of the generated string.

Fix #165

Change-Id: Iea91404027f143ca3d29a4c58d7c07ae53556110
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
This commit is contained in:
jobol
2016-07-26 19:22:25 +02:00
committed by José Bollo
parent 54ae254537
commit 344009bf26
2 changed files with 37 additions and 12 deletions
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10
json_object.h
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@@ -223,6 +223,16 @@ extern const char* json_object_to_json_string(struct json_object *obj);
extern const char* json_object_to_json_string_ext(struct json_object *obj, int
flags);
/** Stringify object to json format
* @see json_object_to_json_string() for details on how to free string.
* @param obj the json_object instance
* @param flags formatting options, see JSON_C_TO_STRING_PRETTY and other constants
* @param length a pointer where, if not NULL, the length (without null) is stored
* @returns a string in JSON format and the length if not NULL
*/
extern const char* json_object_to_json_string_length(struct json_object *obj, int
flags, size_t *length);
/**
* Returns the userdata set by json_object_set_userdata() or
* json_object_set_serializer()