+ t = get_time_str();
+ if (!t)
+ return ;
+
+ if (file && lvl <= log_level) {
+ fprintf(file, "[%s] %s %s\n", t, lvl_str, buffer);
+ fflush(file);
+ } else {
+ t = NULL;
+ }
+
+ if (lvl <= LOG_INFO) {
+ if (lvl == LOG_WARN || lvl == LOG_ERR)
+ stdf = stderr;
+ else
+ stdf = stdout;
+
+
+ fprintf(stdf, "[%s] %s %s\n", t, lvl_str, buffer);
+ }
+
+ free(t);
+}
+
+void log_printf(int lvl, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlogf(lvl, fmt, ap);
+ va_end(ap);
+}
+
+void log_debug(const char *fmt, ...)
+{
+ va_list ap;
+
+ if (log_level < LOG_DEBUG)
+ return ;
+
+ va_start(ap, fmt);
+ vlogf(LOG_DEBUG, fmt, ap);
+ va_end(ap);
+}
+
+void log_err(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlogf(LOG_ERR, fmt, ap);
+ va_end(ap);
+}
+
+void log_warn(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlogf(LOG_WARN, fmt, ap);
+ va_end(ap);
+}
+
+void log_info(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlogf(LOG_INFO, fmt, ap);
+ va_end(ap);