1 files changed, 10 insertions, 0 deletions
diff --git a/src/debug.c b/src/debug.c
index ee410be..2b993bf 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -169,6 +169,16 @@ void internal_error(const char *fmt, ...)
 	va_end(args);
 }
 
+void internal_warn(const char *fmt, ...)
+{
+	va_list args;
+	va_start(args, fmt);
+	fprintf(stderr, "internal warning: ");
+	vfprintf(stderr, fmt, args);
+	fprintf(stderr, "\n");
+	va_end(args);
+}
+
 /**
  * Workhorse for type_str().
  *