From fccd8d1a5b21047b5075307bbc1d547991187874 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Rohl=C3=ADnek?=
 <tomas.rohlinek@espressif.com>
Date: Wed, 23 Apr 2025 08:36:43 +0200
Subject: [PATCH] feat(network/lwip): Add checks for maximum socket count

---
 components/lwip/port/esp32xx/vfs_lwip.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/lwip/port/esp32xx/vfs_lwip.c b/components/lwip/port/esp32xx/vfs_lwip.c
index e9fa7a7ec9..1bdb59d295 100644
--- a/components/lwip/port/esp32xx/vfs_lwip.c
+++ b/components/lwip/port/esp32xx/vfs_lwip.c
@@ -10,6 +10,7 @@
 #include <sys/errno.h>
 #include <sys/lock.h>
 #include <sys/fcntl.h>
+#include <sys/select.h>
 #include "esp_attr.h"
 #include "esp_vfs.h"
 #include "sdkconfig.h"
@@ -21,6 +22,8 @@
 #endif
 
 _Static_assert(MAX_FDS >= CONFIG_LWIP_MAX_SOCKETS, "MAX_FDS < CONFIG_LWIP_MAX_SOCKETS");
+_Static_assert(FD_SETSIZE >= CONFIG_LWIP_MAX_SOCKETS, "FD_SETSIZE < CONFIG_LWIP_MAX_SOCKETS");
+_Static_assert(LWIP_SOCKET_OFFSET >= 6, "Not enough room for esp_vfs_console (LWIP_SOCKET_OFFSET < 6)");
 
 #ifdef CONFIG_VFS_SUPPORT_SELECT