guix/gnu/packages/patches/libxml2-node-sort-order-pt1.patch

From ba58f23c60862f2158b457f4d30031761bf4dde1 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sun, 8 Mar 2015 16:44:11 +0100
Subject: [PATCH] Fix order of root nodes

Make sure root nodes are sorted before other nodes.
---
 xpath.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xpath.c b/xpath.c
index ffd2a48..e9f5bf9 100644
--- a/xpath.c
+++ b/xpath.c
@@ -361,13 +361,13 @@ turtle_comparison:
     /*
      * compute depth to root
      */
-    for (depth2 = 0, cur = node2;cur->parent != NULL;cur = cur->parent) {
+    for (depth2 = 0, cur = node2; cur != NULL; cur = cur->parent) {
 	if (cur == node1)
 	    return(1);
 	depth2++;
     }
     root = cur;
-    for (depth1 = 0, cur = node1;cur->parent != NULL;cur = cur->parent) {
+    for (depth1 = 0, cur = node1; cur != NULL; cur = cur->parent) {
 	if (cur == node2)
 	    return(-1);
 	depth1++;
-- 
2.6.3