From bbf0fd4e9c9b1efa6b1bf9c8d3eda4c893798220 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 24 Oct 2010 21:21:40 +0000
Subject: * vsnprintf.c (BSD_vfprintf): prec digits fractal part should be  
 appended to 0 if prec is given.  [ruby-dev:42453] #3979

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29587 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vsnprintf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'vsnprintf.c')

diff --git a/vsnprintf.c b/vsnprintf.c
index 88a36a102e..ebcb882f89 100644
--- a/vsnprintf.c
+++ b/vsnprintf.c
@@ -784,8 +784,10 @@ reswitch:	switch (ch) {
 #ifdef FLOATING_POINT
 		case 'a':
 		case 'A':
-			if (prec >= 0)
+			if (prec >= 0) {
+				flags |= ALT;
 				prec++;
+			}
 			goto fp_begin;
 		case 'e':		/* anomalous precision */
 		case 'E':
-- 
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