From c5fc37eca2bd90f80add4a1abee64ce64c4f22bd Mon Sep 17 00:00:00 2001
From: staphen <staphen@gmail.com>
Date: Sat, 19 Jun 2021 19:09:48 -0400
Subject: [PATCH] Stub missing functions for Switch

---
 CMake/switch/asio_defs.cmake             |  3 +++
 CMakeLists.txt                           |  4 +++-
 Source/platform/switch/asio/net/if.c     | 22 ++++++++++++++++++++++
 Source/platform/switch/asio/sys/signal.c |  7 +++++++
 4 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 Source/platform/switch/asio/net/if.c
 create mode 100644 Source/platform/switch/asio/sys/signal.c

diff --git a/CMake/switch/asio_defs.cmake b/CMake/switch/asio_defs.cmake
index 50451a2d2..753784a9d 100644
--- a/CMake/switch/asio_defs.cmake
+++ b/CMake/switch/asio_defs.cmake
@@ -3,3 +3,6 @@ target_compile_definitions(asio INTERFACE _DEFAULT_SOURCE=ON)
 
 # Missing headers and declarations provided by DevilutionX
 target_include_directories(asio BEFORE INTERFACE CMake/switch/asio/include)
+
+# Defines the pause() function
+target_link_libraries(asio INTERFACE rdimon)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9cd6ad636..84f10fc16 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -484,7 +484,9 @@ if(NINTENDO_SWITCH)
   list(APPEND libdevilutionx_SRCS
     Source/platform/switch/network.cpp
     Source/platform/switch/keyboard.cpp
-    Source/platform/switch/docking.cpp)
+    Source/platform/switch/docking.cpp
+    Source/platform/switch/asio/net/if.c
+    Source/platform/switch/asio/sys/signal.c)
 endif()
 
 if(VITA)
diff --git a/Source/platform/switch/asio/net/if.c b/Source/platform/switch/asio/net/if.c
new file mode 100644
index 000000000..910cb5577
--- /dev/null
+++ b/Source/platform/switch/asio/net/if.c
@@ -0,0 +1,22 @@
+#include <stddef.h>
+#include <errno.h>
+#include <net/if.h>
+
+unsigned int if_nametoindex(const char *__ifname)
+{
+	return ENOTSUP;
+}
+
+char *if_indextoname(unsigned int __ifindex, char *__ifname)
+{
+	return NULL;
+}
+
+struct if_nameindex *if_nameindex()
+{
+	return NULL;
+}
+
+void if_freenameindex(struct if_nameindex *__ptr)
+{
+}
diff --git a/Source/platform/switch/asio/sys/signal.c b/Source/platform/switch/asio/sys/signal.c
new file mode 100644
index 000000000..f7b4c077a
--- /dev/null
+++ b/Source/platform/switch/asio/sys/signal.c
@@ -0,0 +1,7 @@
+#include <sys/signal.h>
+#include <errno.h>
+
+int pthread_sigmask (int, const sigset_t *, sigset_t *)
+{
+    return ENOTSUP;
+}