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plugins: don't hand empty strings for unset options.

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This was deeply surprising to me; there's a difference between a value not being
specified, and it being specified as "".

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2019-05-20 20:37:57 +09:30
committed by Christian Decker
parent f65eecee27
commit 8b2a84a0c7
2 changed files with 3 additions and 4 deletions
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5
lightningd/plugin.c
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@@ -1000,9 +1000,8 @@ static void plugin_config(struct plugin *plugin)
list_for_each(&plugin->plugin_opts, opt, list) {
/* Trim the `--` that we added before */
name = opt->name + 2;
if (!opt->value)
opt->value = "";
json_add_string(req->stream, name, opt->value);
if (opt->value)
json_add_string(req->stream, name, opt->value);
}
json_object_end(req->stream); /* end of .params.options */