Don't segfault when given bad arguments (bug #972330).

Resolves: rhbz#972330

patch-args-segfault.patch

@@ -0,0 +1,20 @@
+diff -up patch-2.7.1/src/patch.c.args-segfault patch-2.7.1/src/patch.c
+--- patch-2.7.1/src/patch.c.args-segfault	2013-06-12 16:48:50.617108731 +0100
++++ patch-2.7.1/src/patch.c	2013-06-12 16:49:06.790181916 +0100
+@@ -150,6 +150,8 @@ main (int argc, char **argv)
+     else if ((version_control = getenv ("VERSION_CONTROL")))
+       version_control_context = "$VERSION_CONTROL";
+ 
++    init_files_to_output ();
++
+     /* parse switches */
+     Argc = argc;
+     Argv = argv;
+@@ -164,7 +166,6 @@ main (int argc, char **argv)
+ 
+     init_backup_hash_table ();
+     init_files_to_delete ();
+-    init_files_to_output ();
+ 
+     init_output (&outstate);
+     if (outfile)

patch.spec

@@ -1,13 +1,14 @@
 Summary: Utility for modifying/upgrading files
 Name: patch
 Version: 2.7.1
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv3+
 URL: http://www.gnu.org/software/patch/patch.html
 Group: Development/Tools
 Source: ftp://ftp.gnu.org/gnu/patch/patch-%{version}.tar.xz
 Patch1: patch-remove-empty-dir.patch
 Patch2: patch-args.patch
+Patch3: patch-args-segfault.patch
 Patch100: patch-selinux.patch
 Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -34,6 +35,9 @@ applications.
 # Don't document unsupported -m option; document -x option (bug #948972).
 %patch2 -p1 -b .args
 
+# Don't segfault when given bad arguments (bug #972330).
+%patch3 -p1 -b .args-segfault
+
 # SELinux support.
 %patch100 -p1 -b .selinux
 
@@ -62,6 +66,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/*/*
 
 %changelog
+* Wed Jun 12 2013 Tim Waugh <twaugh@redhat.com> 2.7.1-6
+- Don't segfault when given bad arguments (bug #972330).
+
 * Thu Apr 11 2013 Tim Waugh <twaugh@redhat.com> 2.7.1-5
 - Don't document unsupported -m option; document -x option (bug #948972).