playdate support

source/setup_playdate.c

@@ -0,0 +1,30 @@
+
+#include "pd_api.h"
+
+typedef int (PDEventHandler)(PlaydateAPI* playdate, PDSystemEvent event, uint32_t arg);
+
+extern PDEventHandler eventHandler;
+
+static void* (*pdrealloc)(void* ptr, size_t size);
+
+int eventHandlerShim(PlaydateAPI* playdate, PDSystemEvent event, uint32_t arg)
+{
+	if ( event == kEventInit )
+		pdrealloc = playdate->system->realloc;
+	
+	return eventHandler(playdate, event, arg);
+}
+
+#if TARGET_PLAYDATE
+
+void* _malloc_r(struct _reent* _REENT, size_t nbytes) { return pdrealloc(NULL,nbytes); }
+void* _realloc_r(struct _reent* _REENT, void* ptr, size_t nbytes) { return pdrealloc(ptr,nbytes); }
+void _free_r(struct _reent* _REENT, void* ptr ) { if ( ptr != NULL ) pdrealloc(ptr,0); }
+
+#else
+
+void* malloc(size_t nbytes) { return pdrealloc(NULL,nbytes); }
+void* realloc(void* ptr, size_t nbytes) { return pdrealloc(ptr,nbytes); }
+void  free(void* ptr ) { if ( ptr != NULL ) pdrealloc(ptr,0); }
+
+#endif