2 files changed, 31 insertions, 0 deletions
diff --git a/libgcompat/internal.c b/libgcompat/internal.c
new file mode 100644
index 0000000..441b3cc
--- /dev/null
+++ b/libgcompat/internal.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+
+void GCOMPAT__panic(const char *fmt, ...)
+{
+	va_list va;
+
+	fprintf(stderr, "*** gcompat panic ***\n");
+
+	va_start(va, fmt);
+	vfprintf(stderr, fmt, va);
+	va_end(va);
+
+	abort();
+}
diff --git a/libgcompat/internal.h b/libgcompat/internal.h
new file mode 100644
index 0000000..bb107bc
--- /dev/null
+++ b/libgcompat/internal.h
@@ -0,0 +1,14 @@
+#ifndef LIBGCOMPAT_INTERNAL_H
+#define LIBGCOMPAT_INTERNAL_H
+
+void GCOMPAT__panic(const char *fmt, ...) __attribute__((noreturn));
+
+#define GCOMPAT__assert_with_reason(chk, fmt, ...) \
+	do {							\
+		if (!(chk)) {					\
+			GCOMPAT__panic(fmt, __VA_ARGS__);	\
+		}						\
+	}							\
+	while(0);
+
+#endif