[packages/itstool] fix libxml2 memory management issue

[jajcus]

commit 6f006b6b7c9fb80723f5aaef19272f0a55cb5db1
Author: Jacek Konieczny <j.konieczny at eggsoft.pl>
Date:   Mon Oct 8 10:02:35 2018 +0200

    fix libxml2 memory management issue
    
    should fix crash during gtk-doc build
    
    Release: 2

 itstool.spec        |  5 ++++-
 libxml2_crash.patch | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 1 deletion(-)
---
diff --git a/itstool.spec b/itstool.spec
index abc59b6..333fa5f 100644
--- a/itstool.spec
+++ b/itstool.spec
@@ -2,11 +2,12 @@ Summary:	ITS-based XML translation tool
 Summary(pl.UTF-8):	Narzędzie do tłumaczenia XML-a oparte na ITS
 Name:		itstool
 Version:	2.0.4
-Release:	1
+Release:	2
 License:	GPL v3+
 Group:		Applications/Text
 Source0:	http://files.itstool.org/itstool/%{name}-%{version}.tar.bz2
 # Source0-md5:	9415ddf6a12012ff688549d2ed767bc5
+Patch0:		libxml2_crash.patch
 URL:		http://itstool.org/
 Requires:	python-libxml2
 BuildArch:	noarch
@@ -26,6 +27,8 @@ komunikaty w pliku PO.
 %prep
 %setup -q
 
+%patch0 -p1
+
 %build
 %configure
 %{__make}
diff --git a/libxml2_crash.patch b/libxml2_crash.patch
new file mode 100644
index 0000000..840dacc
--- /dev/null
+++ b/libxml2_crash.patch
@@ -0,0 +1,58 @@
+From 9b84c007a73e8275ca45762f1bfa3ab7c3a852e2 Mon Sep 17 00:00:00 2001
+From: Shaun McCance <shaunm at redhat.com>
+Date: Wed, 25 Oct 2017 12:10:03 -0400
+Subject: [PATCH] Be more careful about libxml2 memory management
+
+I think this fixes https://github.com/itstool/itstool/issues/17
+---
+ itstool.in | 13 +++++++++++--
+ 1 file changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/itstool.in b/itstool.in
+index c1d0585..a16eba9 100755
+--- a/itstool.in
++++ b/itstool.in
+@@ -477,6 +477,7 @@ class Document (object):
+         if load_dtd:
+             ctxt.loadSubset(1)
+         if keep_entities:
++            ctxt.loadSubset(1)
+             ctxt.ctxtUseOptions(libxml2.XML_PARSE_DTDLOAD)
+             ctxt.replaceEntities(0)
+         else:
+@@ -1043,6 +1044,7 @@ class Document (object):
+         if self._load_dtd:
+             ctxt.loadSubset(1)
+         if self._keep_entities:
++            ctxt.loadSubset(1)
+             ctxt.ctxtUseOptions(libxml2.XML_PARSE_DTDLOAD)
+             ctxt.replaceEntities(0)
+         else:
+@@ -1069,7 +1071,9 @@ class Document (object):
+                     ph_node = msg.get_placeholder(child.name).node
+                     if self.has_child_elements(ph_node):
+                         self.merge_translations(translations, None, ph_node, strict=strict)
+-                        child.replaceNode(ph_node)
++                        newnode = ph_node.copyNode(1)
++                        newnode.setTreeDoc(self._doc)
++                        child.replaceNode(newnode)
+                     else:
+                         repl = self.get_translated(ph_node, translations, strict=strict, lang=lang)
+                         child.replaceNode(repl)
+@@ -1084,10 +1088,15 @@ class Document (object):
+                     (lang + ' ') if lang is not None else '',
+                     msgstr.encode('utf-8')))
+                 self._xml_err = ''
++                ctxt.doc().freeDoc()
+                 return node
+         retnode = node.copyNode(2)
++        retnode.setTreeDoc(self._doc)
+         for child in xml_child_iter(trnode):
+-            retnode.addChild(child.copyNode(1))
++            newnode = child.copyNode(1)
++            newnode.setTreeDoc(self._doc)
++            retnode.addChild(newnode)
++
+         ctxt.doc().freeDoc()
+         return retnode
+ 
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/itstool.git/commitdiff/6f006b6b7c9fb80723f5aaef19272f0a55cb5db1