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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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>

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->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 <= 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);
}

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