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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>F.�Code for Add Attribute Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.61.2"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ape.html" title="E.�Code for Add Keyword Example"><link rel="next" href="apg.html" title="G.�Code for Retrieving Attribute Value Example"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">F.�Code for Add Attribute Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ape.html">Prev</a>�</td><th width="60%" align="center">�</th><td width="20%" align="right">�<a accesskey="n" href="apg.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="addattributeappendix"></a>F.�Code for Add Attribute Example</h2></div></div><div></div></div><p>
      </p><pre class="programlisting">
#include &lt;stdio.h&gt;
#include &lt;string.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;libxml/xmlmemory.h&gt;
#include &lt;libxml/parser.h&gt;


xmlDocPtr
parseDoc(char *docname, char *uri) {

    xmlDocPtr doc;
    xmlNodePtr cur;
    xmlNodePtr newnode;
    xmlAttrPtr newattr;

    doc = xmlParseFile(docname);

    if (doc == NULL ) {
        fprintf(stderr,"Document not parsed successfully. \n");
        return (NULL);
    }

    cur = xmlDocGetRootElement(doc);

    if (cur == NULL) {
        fprintf(stderr,"empty document\n");
        xmlFreeDoc(doc);
        return (NULL);
    }

    if (xmlStrcmp(cur-&gt;name, (const xmlChar *) "story")) {
        fprintf(stderr,"document of the wrong type, root node != story");
        xmlFreeDoc(doc);
        return (NULL);
    }

    newnode = xmlNewTextChild (cur, NULL, "reference", NULL);
    newattr = xmlNewProp (newnode, "uri", uri);
    return(doc);
}

int
main(int argc, char **argv) {

    char *docname;
    char *uri;
    xmlDocPtr doc;

    if (argc &lt;= 2) {
        printf("Usage: %s docname, uri\n", argv[0]);
        return(0);
    }

    docname = argv[1];
    uri = argv[2];
    doc = parseDoc (docname, uri);
    if (doc != NULL) {
        xmlSaveFormatFile (docname, doc, 1);
        xmlFreeDoc(doc);
    }
    return (1);
}

</pre><p>
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