Function xmlNanoHTTPFetch

ThirdParty/libxml2/vtklibxml2/nanohttp.c:1589–1625

* xmlNanoHTTPFetch: * @URL: The URL to load * @filename: the filename where the content should be saved * @contentType: if available the Content-Type information will be * returned at that location * * This function try to fetch the indicated resource via HTTP GET * and save it's content in the file. * * Returns -1 in case of failure, 0 in case of success. The contentTyp

 *     if provided must be freed by the caller
 */
int
xmlNanoHTTPFetch(const char *URL, const char *filename, char **contentType) {
    void *ctxt = NULL;
    char *buf = NULL;
    int fd;
    int len;
    int ret = 0;

    if (filename == NULL) return(-1);
    ctxt = xmlNanoHTTPOpen(URL, contentType);
    if (ctxt == NULL) return(-1);

    if (!strcmp(filename, "-"))
        fd = 0;
    else {
        fd = open(filename, O_CREAT | O_WRONLY, 00644);
	if (fd < 0) {
	    xmlNanoHTTPClose(ctxt);
	    if ((contentType != NULL) && (*contentType != NULL)) {
	        xmlFree(*contentType);
		*contentType = NULL;
	    }
	    return(-1);
	}
    }

    xmlNanoHTTPFetchContent( ctxt, &buf, &len );
    if ( len > 0 ) {
	if (write(fd, buf, len) == -1) {
	    ret = -1;
	}
    }

    xmlNanoHTTPClose(ctxt);
    close(fd);
    return(ret);
}

#ifdef LIBXML_OUTPUT_ENABLED
/**