From c53470fd47fa62eed38af281017e10a41ef8ff2a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 14 Jan 2012 03:02:57 +0000
Subject: * sprintf.c (rb_enc_vsprintf): relaxed the restriction.  since the  
 implementation deeply depends on plain char, so wchar_t based   encodings are
 not supported.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34300 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 sprintf.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'sprintf.c')

diff --git a/sprintf.c b/sprintf.c
index bae6c146ac..c34d906310 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -1169,8 +1169,9 @@ rb_enc_vsprintf(rb_encoding *enc, const char *fmt, va_list ap)
     f._w = 120;
     result = rb_str_buf_new(f._w);
     if (enc) {
-	if (!rb_enc_asciicompat(enc)) {
-	    rb_raise(rb_eArgError, "cannot construct ASCII-incompatible encoding string: %s",
+	if (rb_enc_mbminlen(enc) > 1) {
+	    /* the implementation deeply depends on plain char */
+	    rb_raise(rb_eArgError, "cannot construct wchar_t based encoding string: %s",
 		     rb_enc_name(enc));
 	}
 	rb_enc_associate(result, enc);
-- 
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