1 files changed, 12 insertions, 0 deletions
diff --git a/code/tools/lcc/lib/yynull.c b/code/tools/lcc/lib/yynull.c
new file mode 100644
index 0000000..7dbc968
--- /dev/null
+++ b/code/tools/lcc/lib/yynull.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+
+void _YYnull(char *file, int line) {
+	fprintf(stderr, "null pointer dereferenced:");
+	if (file)
+		fprintf(stderr, " file %s,", file);
+	fprintf(stderr, " line %d\n", line);
+	fflush(stderr);
+	abort();
+}