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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>H. Code for Encoding Conversion 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="apg.html" title="G. Code for Retrieving Attribute Value Example"><link rel="next" href="api.html" title="I. Acknowledgements"></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">H. Code for Encoding Conversion Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apg.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="api.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="convertappendix"></a>H. Code for Encoding Conversion Example</h2></div></div><div></div></div><p>
</p><pre class="programlisting">
#include <string.h>
#include <libxml/parser.h>
unsigned char*
convert (unsigned char *in, char *encoding)
{
unsigned char *out;
int ret,size,out_size,temp;
xmlCharEncodingHandlerPtr handler;
size = (int)strlen(in)+1;
out_size = size*2-1;
out = malloc((size_t)out_size);
if (out) {
handler = xmlFindCharEncodingHandler(encoding);
if (!handler) {
free(out);
out = NULL;
}
}
if (out) {
temp=size-1;
ret = handler->input(out, &out_size, in, &temp);
if (ret || temp-size+1) {
if (ret) {
printf("conversion wasn't successful.\n");
} else {
printf("conversion wasn't successful. converted: %i octets.\n",temp);
}
free(out);
out = NULL;
} else {
out = realloc(out,out_size+1);
out[out_size]=0; /*null terminating out*/
}
} else {
printf("no mem\n");
}
return (out);
}
int
main(int argc, char **argv) {
unsigned char *content, *out;
xmlDocPtr doc;
xmlNodePtr rootnode;
char *encoding = "ISO-8859-1";
if (argc <= 1) {
printf("Usage: %s content\n", argv[0]);
return(0);
}
content = argv[1];
out = convert(content, encoding);
doc = xmlNewDoc ("1.0");
rootnode = xmlNewDocNode(doc, NULL, (const xmlChar*)"root", out);
xmlDocSetRootElement(doc, rootnode);
xmlSaveFormatFileEnc("-", doc, encoding, 1);
return (1);
}
</pre><p>
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