jhead_sigbus_fix.patch

From efdfdede52181591db3d85a8622bb79a1fb1262b Mon Sep 17 00:00:00 2001
From: Hamster Tian <haotia@gmail.com>
Date: Tue, 19 Apr 2016 09:08:21 +0800
Subject: [PATCH] Fix non-aligned memory access in ConvertAnyFormat

* Log indicated that the DOUBLE(Fmt=12) format was affected,
  not sure if other formats are affected though.

Change-Id: I10b29bd54d350153fddd544e8a43711c2c48bb51
---
 exif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exif.c b/exif.c
index 8dfdaf1..fa9fd99 100644
--- a/exif.c
+++ b/exif.c
@@ -453,7 +453,7 @@ double ConvertAnyFormat(void * ValuePtr, int Format)
 
         // Not sure if this is correct (never seen float used in Exif format)
         case FMT_SINGLE:    Value = (double)*(float *)ValuePtr;      break;
-        case FMT_DOUBLE:    Value = *(double *)ValuePtr;             break;
+        case FMT_DOUBLE:    memcpy(&Value, ValuePtr, sizeof(double));break;
 
         default:
             ErrNonfatal("Illegal format code %d",Format,0);
-- 
2.1.4

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