Function xmlSaveSwitchEncoding

ThirdParty/libxml2/vtklibxml2/xmlsave.c:796–821

 ************************************************************************/

static int xmlSaveSwitchEncoding(xmlSaveCtxtPtr ctxt, const char *encoding) {
    xmlOutputBufferPtr buf = ctxt->buf;

    if ((encoding != NULL) && (buf->encoder == NULL) && (buf->conv == NULL)) {
        xmlCharEncodingHandler *handler;
        int res;

	res = xmlOpenCharEncodingHandler(encoding, /* output */ 1, &handler);
        if (res != XML_ERR_OK) {
            xmlSaveErr(buf, res, NULL, encoding);
            return(-1);
        }
	buf->conv = xmlBufCreate();
	if (buf->conv == NULL) {
	    xmlCharEncCloseFunc(handler);
            xmlSaveErrMemory(buf);
	    return(-1);
	}
        buf->encoder = handler;
	/*
	 * initialize the state, e.g. if outputting a BOM
	 */
        xmlCharEncOutput(buf, 1);
    }
    return(0);
}

static int xmlSaveClearEncoding(xmlSaveCtxtPtr ctxt) {
    xmlOutputBufferPtr buf = ctxt->buf;