From c854fde373bf5f08c8a906e2bad00b6ed4d80ffc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 26 May 2017 06:39:49 +0000
Subject: [PATCH] sprintf.c: remove redundant condition

* sprintf.c (rb_str_format): when `t + 1 == end` (or `t < end`),
  `*t == '%'` is always true.  [ruby-core:80153] [Bug #13315]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58898 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 sprintf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sprintf.c b/sprintf.c
index 8488d58cbd..74229cc2d7 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -521,8 +521,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
 
 	for (t = p; t < end && *t != '%'; t++) ;
 	if (t + 1 == end) {
-	    if (*t == '%') rb_raise(rb_eArgError, "incomplete format specifier");
-	    ++t;
+	    rb_raise(rb_eArgError, "incomplete format specifier");
 	}
 	PUSH(p, t - p);
 	if (coderange != ENC_CODERANGE_BROKEN && scanned < blen) {