Taken as it's from:

http://git.gnome.org/browse/libxslt/commit/?id=1d62941e10c7419bf2341dbbb17d2ba6a73ed4ae

From 1d62941e10c7419bf2341dbbb17d2ba6a73ed4ae Mon Sep 17 00:00:00 2001

From: Daniel Veillard <[email protected]>

Date: Wed, 08 Aug 2012 06:21:51 +0000

Subject: Fix portability to upcoming libxml2-2.9.0

A few place where an output buffer was accessed directly or as

an xmlBuf

---

diff --git a/libxslt/xsltutils.c b/libxslt/xsltutils.c

index 44e80a7..7a4caf0 100644

--- a/libxslt/xsltutils.c

+++ b/libxslt/xsltutils.c

@@ -1538,9 +1538,11 @@ xsltSaveResultTo(xmlOutputBufferPtr buf, xmlDocPtr result,

 	if (omitXmlDecl != 1) {

 	    xmlOutputBufferWriteString(buf, "<?xml version=");

-	    if (result->version != NULL) 

-		xmlBufferWriteQuotedString(buf->buffer, result->version);

-	    else

+	    if (result->version != NULL) {

+		xmlOutputBufferWriteString(buf, "\"");

+		xmlOutputBufferWriteString(buf, (const char *)result->version);

+		xmlOutputBufferWriteString(buf, "\"");

+	    } else

 		xmlOutputBufferWriteString(buf, "\"1.0\"");

 	    if (encoding == NULL) {

 		if (result->encoding != NULL)

@@ -1552,7 +1554,9 @@ xsltSaveResultTo(xmlOutputBufferPtr buf, xmlDocPtr result,

 	    }

 	    if (encoding != NULL) {

 		xmlOutputBufferWriteString(buf, " encoding=");

-		xmlBufferWriteQuotedString(buf->buffer, (xmlChar *) encoding);

+		xmlOutputBufferWriteString(buf, "\"");

+		xmlOutputBufferWriteString(buf, (const char *) encoding);

+		xmlOutputBufferWriteString(buf, "\"");

 	    }

 	    switch (standalone) {

 		case 0:

@@ -1755,6 +1759,15 @@ xsltSaveResultToString(xmlChar **doc_txt_ptr, int * doc_txt_len,

     if (buf == NULL)

 	return(-1);

     xsltSaveResultTo(buf, result, style);

+#ifdef LIBXML2_NEW_BUFFER

+    if (buf->conv != NULL) {

+	*doc_txt_len = xmlBufUse(buf->conv);

+	*doc_txt_ptr = xmlStrndup(xmlBufContent(buf->conv), *doc_txt_len);

+    } else {

+	*doc_txt_len = xmlBufUse(buf->buffer);

+	*doc_txt_ptr = xmlStrndup(xmlBufContent(buf->buffer), *doc_txt_len);

+    }

+#else

     if (buf->conv != NULL) {

 	*doc_txt_len = buf->conv->use;

 	*doc_txt_ptr = xmlStrndup(buf->conv->content, *doc_txt_len);

@@ -1762,6 +1775,7 @@ xsltSaveResultToString(xmlChar **doc_txt_ptr, int * doc_txt_len,

 	*doc_txt_len = buf->buffer->use;

 	*doc_txt_ptr = xmlStrndup(buf->buffer->content, *doc_txt_len);

     }

+#endif

     (void)xmlOutputBufferClose(buf);

     return 0;

 }

--

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