Add wapp locally

wapp/os/mem/mem_os.c

@@ -0,0 +1,30 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
+#include "mem_os.h"
+#include "mem_os_ops.h"
+#include "../../common/aliases/aliases.h"
+#include "../../common/platform/platform.h"
+#include <assert.h>
+#include <string.h>
+
+#if defined(WAPP_PLATFORM_WINDOWS)
+#include "win/mem_os_win.h"
+#elif defined(WAPP_PLATFORM_POSIX)
+#include "posix/mem_os_posix.h"
+#else
+#error "Unrecognised platform"
+#endif
+
+void *wapp_os_mem_alloc(void *addr, u64 size, MemAccess access, MemAllocFlags flags, MemInitType type) {
+	void *output = os_mem_allocate(addr, size, access, flags, type);
+
+	if (type == WAPP_MEM_INIT_INITIALISED) {
+		memset(output, 0, size);
+	}
+
+	return output;
+}
+
+void wapp_os_mem_free(void *ptr, u64 size) {
+	os_mem_free(ptr, size);
+}