+
+void COLD tdb_logerr(struct tdb_context *tdb,
+ enum TDB_ERROR ecode,
+ enum tdb_log_level level,
+ const char *fmt, ...)
+{
+ char *message;
+ va_list ap;
+ size_t len;
+ /* tdb_open paths care about errno, so save it. */
+ int saved_errno = errno;
+
+ tdb->ecode = ecode;
+
+ if (!tdb->logfn)
+ return;
+
+ /* FIXME: Doesn't assume asprintf. */
+ va_start(ap, fmt);
+ len = vsnprintf(NULL, 0, fmt, ap);
+ va_end(ap);
+
+ message = malloc(len + 1);
+ if (!message) {
+ tdb->logfn(tdb, TDB_LOG_ERROR, tdb->log_private,
+ "out of memory formatting message:");
+ tdb->logfn(tdb, level, tdb->log_private, fmt);
+ return;
+ }
+ va_start(ap, fmt);
+ len = vsprintf(message, fmt, ap);
+ va_end(ap);
+ tdb->logfn(tdb, level, tdb->log_private, message);
+ free(message);
+ errno = saved_errno;
+}