From b8735425261fdf4c0310339c4b550a7f1216d636 Mon Sep 17 00:00:00 2001
From: Renato Rotenberg <renato.rotenberg@gmail.com>
Date: Mon, 6 Feb 2023 21:47:13 -0300
Subject: [PATCH] Add infamous `#ifdef __cplusplus` idiom

---
 src/libsm64.h | 16 ++++++++++++----
 test/main.cpp |  3 ++-
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/libsm64.h b/src/libsm64.h
index 01ac9ad..d4aa52c 100644
--- a/src/libsm64.h
+++ b/src/libsm64.h
@@ -15,6 +15,10 @@
     #define SM64_LIB_FN
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct SM64Surface
 {
     int16_t type;
@@ -105,16 +109,16 @@ struct SM64SurfaceCollisionData
     int8_t room;
     int32_t lowerY; // libsm64: 32 bit
     int32_t upperY; // libsm64: 32 bit
-	int32_t vertex1[3]; // libsm64: 32 bit
-	int32_t vertex2[3]; // libsm64: 32 bit
-	int32_t vertex3[3]; // libsm64: 32 bit
+    int32_t vertex1[3]; // libsm64: 32 bit
+    int32_t vertex2[3]; // libsm64: 32 bit
+    int32_t vertex3[3]; // libsm64: 32 bit
     struct {
         float x;
         float y;
         float z;
     } normal;
     float originOffset;
-    
+
     uint8_t isValid; // libsm64: added field
     struct SM64SurfaceObjectTransform *transform; // libsm64: added field
     uint16_t terrain; // libsm64: added field
@@ -186,4 +190,8 @@ extern SM64_LIB_FN void sm64_play_sound(int32_t soundBits, float *pos);
 extern SM64_LIB_FN void sm64_play_sound_global(int32_t soundBits);
 extern SM64_LIB_FN void sm64_set_sound_volume(float vol);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif//LIB_SM64_H
diff --git a/test/main.cpp b/test/main.cpp
index 79a4b4d..220c031 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -9,8 +9,9 @@
 #include <unistd.h>
 #include <pthread.h>
 
-extern "C" {
 #include "../src/libsm64.h"
+
+extern "C" {
 #define SDL_MAIN_HANDLED
 #include "level.h"
 #include "context.h"