From 907087c09bb94ab06cf3de15d3b18d174e42f0ee Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Fri, 10 Jan 2025 10:33:02 +0100
Subject: [PATCH] fix(mdns): Move MDNS_NAME_BUF_LEN to public headers

Since it's used by public API as maximum length of user buffer

Closes https://github.com/espressif/esp-protocols/issues/724
---
 components/mdns/include/mdns.h                 | 10 +++++++++-
 components/mdns/private_include/mdns_private.h |  8 +-------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/components/mdns/include/mdns.h b/components/mdns/include/mdns.h
index 8676717fd..cc9a39d15 100644
--- a/components/mdns/include/mdns.h
+++ b/components/mdns/include/mdns.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -10,6 +10,7 @@
 extern "C" {
 #endif
 
+#include "sdkconfig.h"
 #include <esp_netif.h>
 
 #define MDNS_TYPE_A                 0x0001
@@ -21,6 +22,13 @@ extern "C" {
 #define MDNS_TYPE_NSEC              0x002F
 #define MDNS_TYPE_ANY               0x00FF
 
+#if defined(CONFIG_LWIP_IPV6) && defined(CONFIG_MDNS_RESPOND_REVERSE_QUERIES)
+#define MDNS_NAME_MAX_LEN           (64+4)                  // Need to account for IPv6 reverse queries (64 char address  + ".ip6" )
+#else
+#define MDNS_NAME_MAX_LEN           64                      // Maximum string length of hostname, instance, service and proto
+#endif
+#define MDNS_NAME_BUF_LEN           (MDNS_NAME_MAX_LEN+1)   // Maximum char buffer size to hold hostname, instance, service or proto
+
 /**
  * @brief   Asynchronous query handle
  */
diff --git a/components/mdns/private_include/mdns_private.h b/components/mdns/private_include/mdns_private.h
index 381bd4be4..ce4c96b63 100644
--- a/components/mdns/private_include/mdns_private.h
+++ b/components/mdns/private_include/mdns_private.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -103,12 +103,6 @@
 #define MDNS_PACKET_QUEUE_LEN       16                      // Maximum packets that can be queued for parsing
 #define MDNS_ACTION_QUEUE_LEN       CONFIG_MDNS_ACTION_QUEUE_LEN  // Maximum actions pending to the server
 #define MDNS_TXT_MAX_LEN            1024                    // Maximum string length of text data in TXT record
-#if defined(CONFIG_LWIP_IPV6) && defined(CONFIG_MDNS_RESPOND_REVERSE_QUERIES)
-#define MDNS_NAME_MAX_LEN           (64+4)                  // Need to account for IPv6 reverse queries (64 char address  + ".ip6" )
-#else
-#define MDNS_NAME_MAX_LEN           64                      // Maximum string length of hostname, instance, service and proto
-#endif
-#define MDNS_NAME_BUF_LEN           (MDNS_NAME_MAX_LEN+1)   // Maximum char buffer size to hold hostname, instance, service or proto
 #define MDNS_MAX_PACKET_SIZE        1460                    // Maximum size of mDNS  outgoing packet
 
 #define MDNS_HEAD_LEN               12