Fixed crash by adding additional check to findVertical/Horizontal functions

(by find-fix patch provided by Mattias Ellert <mattias.ellert@fysast.uu.se>)
  Resolves: rhbz#1095419

graphviz-2.38.0-find-fix.patch

@@ -0,0 +1,36 @@
+From 2bd456d77bd035aadff61122868d02291f7898ea Mon Sep 17 00:00:00 2001
+From: Mattias Ellert <mattias.ellert@fysast.uu.se>
+Date: Wed, 28 May 2014 07:05:49 +0200
+Subject: [PATCH] Break infinite recursion that leads to segfault.
+
+---
+ lib/dotgen/compound.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/lib/dotgen/compound.c b/lib/dotgen/compound.c
+index ac78cd5..7156103 100644
+--- a/lib/dotgen/compound.c
++++ b/lib/dotgen/compound.c
+@@ -176,6 +176,9 @@ findVertical(pointf * pts, double tmin, double tmax,
+     double t;
+     int no_cross = countVertCross(pts, xcoord);
+ 
++    if (tmin >= tmax)
++	return -1.0;
++
+     if (no_cross == 0)
+ 	return -1.0;
+ 
+@@ -214,6 +217,9 @@ findHorizontal(pointf * pts, double tmin, double tmax,
+     double t;
+     int no_cross = countHorzCross(pts, ycoord);
+ 
++    if (tmin >= tmax)
++	return -1.0;
++
+     if (no_cross == 0)
+ 	return -1.0;
+ 
+-- 
+1.9.3
+

graphviz.spec

@@ -48,13 +48,14 @@
 Name:			graphviz
 Summary:		Graph Visualization Tools
 Version:		2.38.0
-Release:		4%{?dist}
+Release:		5%{?dist}
 Group:			Applications/Multimedia
 License:		EPL
 URL:			http://www.graphviz.org/
 Source0:		http://www.graphviz.org/pub/graphviz/ARCHIVE/%{name}-%{version}.tar.gz
 # Fix typo in testsuite (upstream ticket #2441).
 Patch0:			graphviz-2.38.0-rtest-fix.patch
+Patch1:			graphviz-2.38.0-find-fix.patch
 BuildRoot:		%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires:		zlib-devel, libpng-devel, libjpeg-devel, expat-devel, freetype-devel >= 2
 BuildRequires:		ksh, bison, m4, flex, tk-devel, tcl-devel >= 8.3, swig
@@ -258,6 +259,7 @@ Various tcl packages (extensions) for the graphviz tools.
 %prep
 %setup -q
 %patch0 -p1 -b .rtest-fix
+%patch1 -p1 -b .find-fix
 
 # Attempt to fix rpmlint warnings about executable sources
 find -type f -regex '.*\.\(c\|h\)$' -exec chmod a-x {} ';'
@@ -547,6 +549,11 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Wed May 28 2014 Jaroslav Škarvada <jskarvad@redhat.com> - 2.38.0-5
+- Fixed crash by adding additional check to findVertical/Horizontal functions
+  (by find-fix patch provided by Mattias Ellert <mattias.ellert@fysast.uu.se>)
+  Resolves: rhbz#1095419
+
 * Tue May 20 2014 Jaroslav Škarvada <jskarvad@redhat.com> - 2.38.0-4
 - Rebuilt for tcl/tk8.6