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Merge pull request #2551 from cesanta/mqttpayload
Avoid calling mg_send on no actual payload
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@@ -3990,7 +3990,7 @@ void mg_mqtt_pub(struct mg_connection *c, const struct mg_mqtt_opts *opts) {
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if (c->is_mqtt5) mg_send_mqtt_properties(c, opts->props, opts->num_props);
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mg_send(c, opts->message.ptr, opts->message.len);
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if (opts->message.len > 0) mg_send(c, opts->message.ptr, opts->message.len);
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}
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void mg_mqtt_sub(struct mg_connection *c, const struct mg_mqtt_opts *opts) {
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@@ -338,7 +338,7 @@ void mg_mqtt_pub(struct mg_connection *c, const struct mg_mqtt_opts *opts) {
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if (c->is_mqtt5) mg_send_mqtt_properties(c, opts->props, opts->num_props);
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mg_send(c, opts->message.ptr, opts->message.len);
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if (opts->message.len > 0) mg_send(c, opts->message.ptr, opts->message.len);
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}
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void mg_mqtt_sub(struct mg_connection *c, const struct mg_mqtt_opts *opts) {
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