1 files changed, 30 insertions, 0 deletions
diff --git a/libmisc/assert.c b/libmisc/assert.c
new file mode 100644
index 0000000..fdd8154
--- /dev/null
+++ b/libmisc/assert.c
@@ -0,0 +1,30 @@
+/* libmisc/assert.c - More assertions
+ *
+ * Copyright (C) 2024-2025  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <stdbool.h> /* for bool, true, false */
+
+#define LOG_NAME ASSERT
+#include <libmisc/log.h> /* for errorf() */
+
+#include <libmisc/assert.h>
+
+#ifndef NDEBUG
+#define __lm_printf __lm_light_printf
+void __assert_msg_fail(const char *expr,
+                  const char *file, unsigned int line, const char *func,
+                  const char *msg) {
+	static bool in_fail = false;
+	if (!in_fail) {
+		in_fail = true;
+		errorf("%s:%u:%s(): assertion \"%s\" failed%s%s",
+		       file, line, func,
+		       expr,
+		       msg ? ": " : "", msg ?: "");
+		in_fail = false;
+	}
+	__lm_abort();
+}
+#endif