File 0001-Bug-681321-Support-both-old-and-new-buf-libxml2-APIs.patch of Package mingw32-evolution-data-server

From 01dd66b468182933dfcaade91ad6ff8aac662104 Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Mon, 13 Aug 2012 09:50:50 -0400
Subject: [PATCH] Bug 681321 - Support both old and new-buf libxml2 APIs

Backported from commit 679b10d75730e81fa268e11cfda289a27fd3e306
---
 calendar/backends/caldav/e-cal-backend-caldav.c |   39 +++++++++++++++++------
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/calendar/backends/caldav/e-cal-backend-caldav.c b/calendar/backends/caldav/e-cal-backend-caldav.c
index 80c5a39..32c3cda 100644
--- a/calendar/backends/caldav/e-cal-backend-caldav.c
+++ b/calendar/backends/caldav/e-cal-backend-caldav.c
@@ -1024,6 +1024,19 @@ caldav_server_open_calendar (ECalBackendCalDAV *cbdav, GError **perror)
 	return FALSE;
 }
 
+static gconstpointer
+compat_libxml_output_buffer_get_content (xmlOutputBufferPtr buf,
+                                         gsize *out_len)
+{
+#ifdef LIBXML2_NEW_BUFFER
+	*out_len = xmlOutputBufferGetSize (buf);
+	return xmlOutputBufferGetContent (buf);
+#else
+	*out_len = buf->buffer->use;
+	return buf->buffer->content;
+#endif
+}
+
 /* Returns whether calendar changed on the server. This works only when server
    supports 'getctag' extension. */
 static gboolean
@@ -1035,6 +1048,8 @@ check_calendar_changed_on_server (ECalBackendCalDAV *cbdav)
 	xmlDocPtr		  doc;
 	xmlNodePtr		  root, node;
 	xmlNsPtr		  ns, nsdav;
+	gconstpointer		  buf_content;
+	gsize			  buf_size;
 	gboolean		  result = TRUE;
 
 	g_return_val_if_fail (cbdav != NULL, TRUE);
@@ -1069,11 +1084,11 @@ check_calendar_changed_on_server (ECalBackendCalDAV *cbdav)
 	soup_message_headers_append (message->request_headers,
 				     "Depth", "0");
 
+	buf_content = compat_libxml_output_buffer_get_content (buf, &buf_size);
 	soup_message_set_request (message,
 				  "application/xml",
 				  SOUP_MEMORY_COPY,
-				  (gchar *) buf->buffer->content,
-				  buf->buffer->use);
+				  buf_content, buf_size);
 
 	/* Send the request now */
 	send_and_handle_redirection (priv->session, message, NULL);
@@ -1131,6 +1146,8 @@ caldav_server_list_objects (ECalBackendCalDAV *cbdav, CalDAVObject **objs, gint
 	xmlDocPtr            doc;
 	xmlNsPtr             nsdav;
 	xmlNsPtr             nscd;
+	gconstpointer        buf_content;
+	gsize                buf_size;
 	gboolean             result;
 
 	priv = E_CAL_BACKEND_CALDAV_GET_PRIVATE (cbdav);
@@ -1211,11 +1228,11 @@ caldav_server_list_objects (ECalBackendCalDAV *cbdav, CalDAVObject **objs, gint
 	soup_message_headers_append (message->request_headers,
 				     "Depth", "1");
 
+	buf_content = compat_libxml_output_buffer_get_content (buf, &buf_size);
 	soup_message_set_request (message,
 				  "application/xml",
 				  SOUP_MEMORY_COPY,
-				  (gchar *) buf->buffer->content,
-				  buf->buffer->use);
+				  buf_content, buf_size);
 
 	/* Send the request now */
 	send_and_handle_redirection (priv->session, message, NULL);
@@ -1499,6 +1516,8 @@ caldav_receive_schedule_outbox_url (ECalBackendCalDAV *cbdav)
 	xmlDocPtr doc;
 	xmlNodePtr root, node;
 	xmlNsPtr nsdav;
+	gconstpointer buf_content;
+	gsize buf_size;
 	gchar *owner = NULL;
 
 	g_return_val_if_fail (cbdav != NULL, FALSE);
@@ -1527,11 +1546,11 @@ caldav_receive_schedule_outbox_url (ECalBackendCalDAV *cbdav)
 	soup_message_headers_append (message->request_headers, "User-Agent", "Evolution/" VERSION);
 	soup_message_headers_append (message->request_headers, "Depth", "0");
 
+	buf_content = compat_libxml_output_buffer_get_content (buf, &buf_size);
 	soup_message_set_request (message,
 				  "application/xml",
 				  SOUP_MEMORY_COPY,
-				  (gchar *) buf->buffer->content,
-				  buf->buffer->use);
+				  buf_content, buf_size);
 
 	/* Send the request now */
 	send_and_handle_redirection (priv->session, message, NULL);
@@ -1577,11 +1596,11 @@ caldav_receive_schedule_outbox_url (ECalBackendCalDAV *cbdav)
 		soup_message_headers_append (message->request_headers, "User-Agent", "Evolution/" VERSION);
 		soup_message_headers_append (message->request_headers, "Depth", "0");
 
+		buf_content = compat_libxml_output_buffer_get_content (buf, &buf_size);
 		soup_message_set_request (message,
-				  "application/xml",
-				  SOUP_MEMORY_COPY,
-				  (gchar *) buf->buffer->content,
-				  buf->buffer->use);
+					  "application/xml",
+					  SOUP_MEMORY_COPY,
+					  buf_content, buf_size);
 
 		/* Send the request now */
 		send_and_handle_redirection (priv->session, message, NULL);
-- 
1.7.10.4