From 63082b996d3a2e62569418897fb706d5782ec884 Mon Sep 17 00:00:00 2001 From: David Cermak Date: Mon, 3 Nov 2025 16:32:49 +0100 Subject: [PATCH] feat(mdns): support null value for boolean txt records Forward port of fa96de3bd --- components/mdns/mdns_responder.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/components/mdns/mdns_responder.c b/components/mdns/mdns_responder.c index 05469212c..5f47c2f63 100644 --- a/components/mdns/mdns_responder.c +++ b/components/mdns/mdns_responder.c @@ -282,13 +282,18 @@ static mdns_txt_linked_item_t *allocate_txt(size_t num_items, mdns_txt_item_t tx mdns_mem_free(new_item); break; } - new_item->value = mdns_mem_strdup(txt[i].value); - if (!new_item->value) { - mdns_mem_free((char *)new_item->key); - mdns_mem_free(new_item); - break; + if (txt[i].value) { + new_item->value = mdns_mem_strdup(txt[i].value); + if (!new_item->value) { + mdns_mem_free((char *)new_item->key); + mdns_mem_free(new_item); + break; + } + new_item->value_len = strlen(new_item->value); + } else { + new_item->value = NULL; + new_item->value_len = 0; } - new_item->value_len = strlen(new_item->value); new_item->next = new_txt; new_txt = new_item; }