From f343a21e21aa98960ddc8bc325306b2ca93da1db Mon Sep 17 00:00:00 2001
From: Robin Mills <robin@clanmills.com>
Date: Fri, 1 May 2015 06:54:33 +0000
Subject: [PATCH] #922.  Mac fix for Image::stringFormat()

---
 src/image.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/image.cpp b/src/image.cpp
index ca242784..b2f1dee3 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -360,7 +360,7 @@ namespace Exiv2 {
     {
         std::string result;
 
-        int     need   = (int) std::strlen(format);            // initial guess
+        int     need   = (int) std::strlen(format)*2;          // initial guess
         char*   buffer = NULL;
         int     again  =    4;
         int     rc     =   -1;