From f232bdfbe0d14a7dc5a838601b1a3b4d880d52d5 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 15 Nov 2004 16:45:03 +0000
Subject: * array.c (rb_ary_update): pedantic check to detect   rb_ary_to_ary()
 to modify the receiver.  [ruby-dev:24861]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@7273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'string.c')

diff --git a/string.c b/string.c
index 6ebbf9289..bf95d610c 100644
--- a/string.c
+++ b/string.c
@@ -4491,9 +4491,10 @@ rb_str_justify(argc, argv, str, jflag)
     res = rb_str_new5(str, 0, width);
     if (argc == 2) {
 	StringValue(pad);
-	if (RSTRING(pad)->len > 0) {
-	    f = RSTRING(pad)->ptr;
-	    flen = RSTRING(pad)->len;
+	f = RSTRING(pad)->ptr;
+	flen = RSTRING(pad)->len;
+	if (flen == 0) {
+	    rb_raise(rb_eArgError, "zero width padding");
 	}
     }
     p = RSTRING(res)->ptr;
-- 
cgit