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json: Add utility to add a null-member

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
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Christian Decker
2019-02-07 16:14:01 +01:00
parent b5085a9c17
commit ff0ddee56e
4 changed files with 15 additions and 0 deletions
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lightningd/json.h
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@@ -115,6 +115,10 @@ void json_add_u64(struct json_stream *result, const char *fieldname,
/* '"fieldname" : true|false' or 'true|false' if fieldname is NULL */
void json_add_bool(struct json_stream *result, const char *fieldname,
bool value);
/* '"fieldname" : null' or 'null' if fieldname is NULL */
void json_add_null(struct json_stream *stream, const char *fieldname);
/* '"fieldname" : "0189abcdef..."' or "0189abcdef..." if fieldname is NULL */
void json_add_hex(struct json_stream *result, const char *fieldname,
const void *data, size_t len);