[gfan] 01/01: fix a range error causing segfault on powerpc

[Cédric Boutillier]

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boutil pushed a commit to branch master
in repository gfan.

commit fc52abf103a04c461fd7fcd5868d95733f36926b
Author: Cédric Boutillier <boutil at debian.org>
Date:   Mon Sep 23 15:06:45 2013 +0200

    fix a range error causing segfault on powerpc
---
 debian/changelog                                      |    7 +++++++
 debian/patches/fix_GetUniqueGenerators_symmetry.patch |   16 ++++++++++++++++
 debian/patches/series                                 |    1 +
 3 files changed, 24 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index 0eb35db..9f34d35 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+gfan (0.5+dfsg-4) unstable; urgency=low
+
+  * add fix_GetUniqueGenerators_symmetry.patch to fix a range error causing a
+    segmentation fault on powerpc.
+
+ -- Cédric Boutillier <boutil at debian.org>  Mon, 23 Sep 2013 15:04:31 +0200
+
 gfan (0.5+dfsg-3) unstable; urgency=low
 
   * Upload to unstable.
diff --git a/debian/patches/fix_GetUniqueGenerators_symmetry.patch b/debian/patches/fix_GetUniqueGenerators_symmetry.patch
new file mode 100644
index 0000000..1496ab1
--- /dev/null
+++ b/debian/patches/fix_GetUniqueGenerators_symmetry.patch
@@ -0,0 +1,16 @@
+Description: add boundary check to avoid segfault on powerpc
+Origin: upstream
+Reviewed-by: Cédric Boutillier <boutil at debian.org>
+Last-Update: 2013-09-23
+
+--- a/symmetry.cpp
++++ b/symmetry.cpp
+@@ -279,7 +279,7 @@
+   ElementContainer::const_iterator j=temp.elements.begin();
+   for(ElementContainer::const_iterator i=elements.begin();i!=elements.end();i++,j++)
+     {
+-      if(*j!=*i)
++      if(j==temp.elements.end() || *j!=*i)
+         {
+           ret.push_back(*i);
+           goto restart;
diff --git a/debian/patches/series b/debian/patches/series
index 5679399..caa6e3c 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -6,3 +6,4 @@ string_subst_test_50x.patch
 dont_forget_flags_debian.patch
 fix_spelling_errors.patch
 remove_failing_tests_on_32bits.patch
+fix_GetUniqueGenerators_symmetry.patch

-- 
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