From a7e8b12f96bcea99a855092e4b200ddfed6c8c41 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 18 Oct 2010 00:59:31 +0000
Subject: * sprintf.c (BSD_vfprintf): wrong padding arround prefix and  
 floating point with %a. [ruby-dev:42403] Bug #3956

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29521 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vsnprintf.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'vsnprintf.c')

diff --git a/vsnprintf.c b/vsnprintf.c
index a1ac4424a2..1f53bc4265 100644
--- a/vsnprintf.c
+++ b/vsnprintf.c
@@ -829,6 +829,9 @@ fp_begin:		_double = va_arg(ap, double);
 				--expt;
 				expsize = exponent(expstr, expt, ch + 'p' - 'a');
 				size = expsize + ndig;
+				size += 2; /* 0x */
+				if (ndig > 1)
+					++size; /* floating point */
 			}
 			else if (ch <= 'e') {	/* 'e' or 'E' fmt */
 				--expt;
-- 
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