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Don't know why, but on my server, where I work with htdocs
generation of autolayout.xml works without patches very well
and quickly.

Simas.

On Fri, May 13, 2005 at 12:25:48AM +0200, Klaus Heinz wrote:
> Hi,
>=20
> appended is a patch Hiroki Sato provided for textproc/libxslt (applies
> to both current pkgsrc as well as pkgsrc-2005Q1).
> This patch can dramatically reduce duplicate memory allocation for DTDs
> if document() is used extensively in a stylesheet. The best example for
> this is generating htdocs/autolayout.xml with and without the patch.
>=20
> I would like to get some more feedback whether this works for other
> stylesheets people use, so please apply this patch (save it as
> pkgsrc/textproc/libxslt/patches/patch-ac, "make mps", then build) and
> test your stylesheets with the new xsltproc binary.
>=20
> ciao
>      Klaus

> --- libxslt/documents.c.orig	2004-08-17 07:49:56.000000000 +0900
> +++ libxslt/documents.c	2005-05-07 12:27:33.000000000 +0900
> @@ -255,6 +255,7 @@
>  xsltLoadDocument(xsltTransformContextPtr ctxt, const xmlChar *URI) {
>      xsltDocumentPtr ret;
>      xmlDocPtr doc;
> +    xmlDtdPtr intSubset, extSubset;
> =20
>      if ((ctxt =3D=3D NULL) || (URI =3D=3D NULL))
>  	return(NULL);
> @@ -312,6 +313,24 @@
>      if (ctxt->debugStatus =3D=3D XSLT_DEBUG_NONE)
>  	xmlXPathOrderDocElems(doc);
> =20
> +    extSubset =3D doc->extSubset;
> +    intSubset =3D doc->intSubset;
> +
> +    if (intSubset =3D=3D extSubset)
> +	extSubset =3D NULL;
> +
> +    if (extSubset !=3D NULL) {
> +        xmlUnlinkNode((xmlNodePtr) doc->extSubset);
> +        doc->extSubset =3D NULL;
> +        xmlFreeDtd(extSubset);
> +    }
> +
> +    if (intSubset !=3D NULL) {
> +        xmlUnlinkNode((xmlNodePtr) doc->intSubset);
> +        doc->intSubset =3D NULL;
> +        xmlFreeDtd(intSubset);
> +    }
> +
>      ret =3D xsltNewDocument(ctxt, doc);
>      return(ret);
>  }


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