From 13d0ed13c360c09d97ab226562ec6b8ec93290d4 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 10 Nov 1994 22:35:48 +0000
Subject: prevent core dump for old getargs() with NULL arg

---
 Python/getargs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Python/getargs.c b/Python/getargs.c
index 605cb01..15cd4e6 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -179,6 +179,13 @@ vgetargs1(args, format, va, compat)
 			return 0;
 		}
 		else if (min == 1 && max == 1) {
+			if (args == NULL) {
+				sprintf(msgbuf,
+					"%s requires at least one argument",
+					fname==NULL ? "function" : fname);
+				err_setstr(TypeError, msgbuf);
+				return 0;
+			}
 			msg = convertitem(args, &format, &va, levels, msgbuf);
 			if (msg == NULL)
 				return 1;
-- 
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