20000105

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_4@598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 1 deletions

diff --git a/ruby.c b/ruby.c
index 752b2b18fc..a923408942 100644
--- a/ruby.c
+++ b/ruby.c
@@ -392,7 +392,10 @@ proc_options(argcp, argvp)
 		s = argv[1];
 		argc--,argv++;
 	    }
-	    if (*s && chdir(s) < 0) {
+	    if (!s || !*s) {
+		rb_fatal("Can't chdir");
+	    }
+	    if (chdir(s) < 0) {
 		rb_fatal("Can't chdir to %s", s);
 	    }
 	    break;