libmisc: Rework how test-intercepts work

1 files changed, 25 insertions, 0 deletions

diff --git a/libmisc/intercept.c b/libmisc/intercept.c
new file mode 100644
index 0000000..dda8c09
--- /dev/null
+++ b/libmisc/intercept.c
@@ -0,0 +1,25 @@
+/* libmisc/intercept.c - Interceptable ("weak") functions
+ *
+ * Copyright (C) 2024  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <stdarg.h> /* for va_list, va_start(), va_end() */
+#include <stdio.h>  /* for vprintf() */
+#include <stdlib.h> /* for abort() */
+
+#include <libmisc/_intercept.h>
+
+[[gnu::weak]]
+int __lm_printf(const char *format, ...) {
+	va_list va;
+	va_start(va, format);
+	int ret = vprintf(format, va);
+	va_end(va);
+	return ret;
+}
+
+[[gnu::weak]]
+void __lm_abort(void) {
+	abort();
+}