内存中的XML数据打印出来

编译命令

cc -I /home/eas/src/libxml/libxml2-2.6.30/include/ -L/home/eas/src/libxml/libxml2-2.6.30/.libs -lxml2 -lz -lm -o xml_printf xml_printf.c

#include <stdio.h>
#include <libxml/parser.h>                /* LIBXML2 Header File */
#include <libxml/tree.h>                    /* LIBXML2 Header File */
#include <libxml/xmlmemory.h>            /* LIBXML2 Header File */
#include <libxml/xpath.h>                /* LIBXML2 Header File */

int main(int argc, char **argv)
{
    xmlDocPtr doc = NULL;
    xmlNodePtr root_node = NULL, node = NULL, node1 = NULL;

    doc = xmlNewDoc(BAD_CAST "1.0");
    root_node = xmlNewNode(NULL, BAD_CAST "根节点");
    xmlDocSetRootElement(doc, root_node);

    xmlNewChild(root_node, NULL, BAD_CAST "子节点1",BAD_CAST "写点什么好呢？");
    node=xmlNewChild(root_node, NULL, BAD_CAST "子节点2",BAD_CAST"这个节点写了属性");

    xmlNewProp(node, BAD_CAST "name", BAD_CAST "wangxiancai");

    node = xmlNewNode(NULL, BAD_CAST "子节点3");
    node1 = xmlNewText(BAD_CAST"随便写什么都可以");
    xmlAddChild(node, node1);

    xmlAddChild(root_node, node);

    xmlSaveFormatFileEnc(argc > 1 ? argv[1] : "-", doc, "UTF-8", 1);
    xmlFreeDoc(doc);
    xmlCleanupParser();
    xmlMemoryDump();
    return(0);
}