turn audio.c and main.c into CPP files

fixes crash when trying to init audio on linux

test/audio.cpp

@@ -5,8 +5,10 @@
 #include <unistd.h>
 #include <sys/time.h>
 
+extern "C" {
 #include "../src/libsm64.h"
 #include "context.h"
+}
 
 static SDL_AudioDeviceID dev;
 
@@ -24,7 +26,7 @@ void* audio_thread(void* keepAlive)
 	// from https://github.com/ckosmic/libsm64/blob/audio/src/libsm64.c#L535-L555
 	// except keepAlive is a null pointer here, so don't use it
 
-	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,NULL); 
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,NULL);
 	pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,NULL);
 
 	long long currentTime = timeInMilliseconds();
@@ -50,6 +52,11 @@ void* audio_thread(void* keepAlive)
 
 void audio_init()
 {
+	if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
+		fprintf(stderr, "SDL_InitSubSystem(SDL_INIT_AUDIO) failed: %s\n", SDL_GetError());
+		return;
+	}
+
 	SDL_AudioSpec want, have;
 	SDL_zero(want);
 	want.freq = 32000;
@@ -65,6 +72,6 @@ void audio_init()
 	SDL_PauseAudioDevice(dev, 0);
 
 	// it's best to run audio in a separate thread
-    pthread_create(&gSoundThread, NULL, audio_thread, NULL);
+	pthread_create(&gSoundThread, NULL, audio_thread, NULL);
 }
 

test/main.cpp

@@ -9,15 +9,17 @@
 #include <unistd.h>
 #include <pthread.h>
 
+extern "C" {
 #include "../src/libsm64.h"
-
 #define SDL_MAIN_HANDLED
-#include "audio.h"
 #include "level.h"
 #include "context.h"
 #include "renderer.h"
 #include "gl33core/gl33core_renderer.h"
 #include "gl20/gl20_renderer.h"
+}
+
+#include "audio.h"
 
 int WINDOW_WIDTH = 1280;
 int WINDOW_HEIGHT = 800;
@@ -31,7 +33,7 @@ uint8_t *utils_read_file_alloc( const char *path, size_t *fileLength )
     fseek( f, 0, SEEK_END );
     size_t length = (size_t)ftell( f );
     rewind( f );
-    uint8_t *buffer = malloc( length + 1 );
+    uint8_t *buffer = (uint8_t*)malloc( length + 1 );
     fread( buffer, 1, length, f );
     buffer[length] = 0;
     fclose( f );
@@ -68,7 +70,7 @@ int main( void )
         return 1;
     }
 
-    uint8_t *texture = malloc( 4 * SM64_TEXTURE_WIDTH * SM64_TEXTURE_HEIGHT );
+    uint8_t *texture = (uint8_t*)malloc( 4 * SM64_TEXTURE_WIDTH * SM64_TEXTURE_HEIGHT );
 
     sm64_global_terminate();
     sm64_global_init( rom, texture );
@@ -122,10 +124,10 @@ int main( void )
     float lastPos[3], currPos[3];
     float lastGeoPos[9 * SM64_GEO_MAX_TRIANGLES], currGeoPos[9 * SM64_GEO_MAX_TRIANGLES];
 
-    marioGeometry.position = malloc( sizeof(float) * 9 * SM64_GEO_MAX_TRIANGLES );
-    marioGeometry.color    = malloc( sizeof(float) * 9 * SM64_GEO_MAX_TRIANGLES );
-    marioGeometry.normal   = malloc( sizeof(float) * 9 * SM64_GEO_MAX_TRIANGLES );
-    marioGeometry.uv       = malloc( sizeof(float) * 6 * SM64_GEO_MAX_TRIANGLES );
+    marioGeometry.position = (float*)malloc( sizeof(float) * 9 * SM64_GEO_MAX_TRIANGLES );
+    marioGeometry.color    = (float*)malloc( sizeof(float) * 9 * SM64_GEO_MAX_TRIANGLES );
+    marioGeometry.normal   = (float*)malloc( sizeof(float) * 9 * SM64_GEO_MAX_TRIANGLES );
+    marioGeometry.uv       = (float*)malloc( sizeof(float) * 6 * SM64_GEO_MAX_TRIANGLES );
     marioGeometry.numTrianglesUsed = 0;
 
     float tick = 0, dt = 0;
@@ -200,9 +202,9 @@ int main( void )
             y_axis = read_axis( SDL_GameControllerGetAxis( controller, SDL_CONTROLLER_AXIS_LEFTY ));
             x0_axis = read_axis( SDL_GameControllerGetAxis( controller, SDL_CONTROLLER_AXIS_RIGHTX ));
 
-            marioInputs.buttonA = SDL_GameControllerGetButton( controller, 0 );
-            marioInputs.buttonB = SDL_GameControllerGetButton( controller, 2 );
-            marioInputs.buttonZ = SDL_GameControllerGetButton( controller, 9 );
+            marioInputs.buttonA = SDL_GameControllerGetButton( controller, (SDL_GameControllerButton)0 );
+            marioInputs.buttonB = SDL_GameControllerGetButton( controller, (SDL_GameControllerButton)2 );
+            marioInputs.buttonZ = SDL_GameControllerGetButton( controller, (SDL_GameControllerButton)9 );
 		}
 
         cameraRot += x0_axis * dt * 2;

test/renderer.h

@@ -5,8 +5,16 @@
 #include <stdint.h>
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "../src/libsm64.h"
 
+#ifdef __cplusplus
+}
+#endif
+
 #include "context.h"
 #include "cglm.h"