1 files changed, 12 insertions, 0 deletions
diff --git a/lume-legacy/src/ulib/assert.c b/lume-legacy/src/ulib/assert.c
new file mode 100644
index 0000000..c60643a
--- /dev/null
+++ b/lume-legacy/src/ulib/assert.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2026 Richard QIn
+ */
+#include "stdio.h"
+#include "stdlib.h"
+
+void __assert_fail(const char *expr, const char *file, int line, const char *func)
+{
+    fprintf(stderr, "Assertion failed: %s (%s: %s: %d)\n", expr, file, func, line);
+    abort();
+}
+\ No newline at end of file