[libtiff] add bigendian patch to fix raw_decode self check failure on ppc*, s390*

[Karsten Hopp]

commit 5f9a7dda1bb1991bf36f98ee37700c75433c9738
Author: Karsten Hopp <karsten at redhat.com>
Date:   Tue Jul 3 16:00:32 2012 +0200

    add bigendian patch to fix raw_decode self check failure on ppc*, s390*

 libtiff-4.0.2-bigendian.patch |   15 +++++++++++++++
 libtiff.spec                  |    7 ++++++-
 2 files changed, 21 insertions(+), 1 deletions(-)
---
diff --git a/libtiff-4.0.2-bigendian.patch b/libtiff-4.0.2-bigendian.patch
new file mode 100644
index 0000000..0832254
--- /dev/null
+++ b/libtiff-4.0.2-bigendian.patch
@@ -0,0 +1,15 @@
+diff -up tiff-4.0.2/test/raw_decode.c.bigendian tiff-4.0.2/test/raw_decode.c
+--- tiff-4.0.2/test/raw_decode.c.bigendian	2012-07-03 15:27:37.168543695 +0200
++++ tiff-4.0.2/test/raw_decode.c	2012-07-03 15:28:47.795051599 +0200
+@@ -85,9 +85,9 @@ static int check_rgb_pixel( int pixel, i
+ static int check_rgba_pixel( int pixel, int red, int green, int blue, int alpha, unsigned char *buffer ) {
+ 	/* RGBA images are upside down - adjust for normal ordering */
+ 	int adjusted_pixel = pixel % 128 + (127 - (pixel/128)) * 128;
+-	unsigned char *rgba = buffer + 4 * adjusted_pixel;
++	unsigned int *rgba = (unsigned int*)(buffer + 4 * adjusted_pixel);
+ 	
+-	if( rgba[0] == red && rgba[1] == green && rgba[2] == blue && rgba[3] == alpha ) {
++	if( TIFFGetR(*rgba) == red && TIFFGetG(*rgba) == green && TIFFGetB(*rgba) == blue && TIFFGetA(*rgba) == alpha ) {
+ 		return 0;
+ 	}
+ 
diff --git a/libtiff.spec b/libtiff.spec
index df1b2cf..69db84c 100644
--- a/libtiff.spec
+++ b/libtiff.spec
@@ -1,7 +1,7 @@
 Summary: Library of functions for manipulating TIFF format image files
 Name: libtiff
 Version: 4.0.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 License: libtiff
 Group: System Environment/Libraries
@@ -22,6 +22,7 @@ Source1: ftp://ftp.remotesensing.org/pub/libtiff/tiff-%{prevversion}.tar.gz
 Patch2: libtiff-CVE-2012-1173-3.9.patch
 Patch3: libtiff-CVE-2012-2088.patch
 Patch4: libtiff-CVE-2012-2113.patch
+Patch5: libtiff-4.0.2-bigendian.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildRequires: zlib-devel libjpeg-devel jbigkit-devel
@@ -103,6 +104,7 @@ autoheader
 	autoconf
 	autoheader
 	popd
+%patch5 -p1
 
 %build
 export CFLAGS="%{optflags} -fno-strict-aliasing"
@@ -233,6 +235,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/libtiffxx.so.3*
 
 %changelog
+* Tue Jul 03 2012 Karsten Hopp <karsten at redhat.com> 4.0.2-2
+- add opensuse bigendian patch to fix raw_decode self check failure on ppc*, s390*
+
 * Thu Jun 28 2012 Tom Lane <tgl at redhat.com> 4.0.2-1
 - Update to libtiff 4.0.2, includes fix for CVE-2012-2113
   (note that CVE-2012-2088 does not apply to 4.0.x)