From: Guido van Rossum <guido@python.org>
Date: Tue, 14 Jan 1992 18:42:53 +0000 (+0000)
Subject: Ensure that sys.argv[0] always exists (maybe as empty string).
X-Git-Tag: v0.9.8~587
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ee3a299c396593a277060e0b991b62179eed1086;p=thirdparty%2FPython%2Fcpython.git

Ensure that sys.argv[0] always exists (maybe as empty string).
---

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index c8460682cb01..d725c88cc8b0 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;