From: Guido van Rossum <guido@python.org>
Date: Tue, 30 Sep 1997 22:00:13 +0000 (+0000)
Subject: Fix a bug in this code that made it do the wrong thing when an option
X-Git-Tag: v1.5a4~108
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b4102bf5f8bb429788e317312c353dd2965cdf4f;p=python

Fix a bug in this code that made it do the wrong thing when an option
was a single '-'.  Thanks to Andrew Kuchling.
---

diff --git a/Python/getopt.c b/Python/getopt.c
index 80a00ef8bc..91aaa28e81 100644
--- a/Python/getopt.c
+++ b/Python/getopt.c
@@ -62,7 +62,10 @@ char optstring[];
 		opt_ptr = &argv[optind++][1]; 
 	}
 
-	if ((ptr = strchr(optstring, option = *opt_ptr++)) == NULL) {
+	if ( (option = *opt_ptr++) == '\0')
+	  return -1;
+	
+	if ((ptr = strchr(optstring, option)) == NULL) {
 		if (opterr)
 			fprintf(stderr, "Unknown option: -%c\n", option);