From ee3a299c396593a277060e0b991b62179eed1086 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 14 Jan 1992 18:42:53 +0000
Subject: Ensure that sys.argv[0] always exists (maybe as empty string).

---
 Python/sysmodule.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index c846068..d725c88 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -187,8 +187,12 @@ makeargvobject(argc, argv)
 	char **argv;
 {
 	object *av;
-	if (argc < 0 || argv == NULL)
-		argc = 0;
+	if (argc <= 0 || argv == NULL) {
+		/* Ensure at least one (empty) argument is seen */
+		static char *empty_argv[1] = {""};
+		argv = empty_argv;
+		argc = 1;
+	}
 	av = newlistobject(argc);
 	if (av != NULL) {
 		int i;
-- 
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