Function xlog_set_domain

common/log/xlog.c:495–506

* set the main prefix string, return 0 if success. */

 * 	set the main prefix string, return 0 if success.
 */
XLOG_API int xlog_set_domain(xlog_writer* wr, const char *domain)
{
    if (wr == NULL){
        return -1;
    }
    wr->_domain[0] = '\0';

    if (domain && *domain){
        strncpy(wr->_domain, domain, sizeof(wr->_domain) - 1);
    }
    return 0;
}

//-------------------------------------------------print api