- if (is_backend)
- len = fio_server_text_output(FIO_LOG_INFO, buffer, len);
- if (log_syslog)
- syslog(LOG_INFO, "%s", buffer);
- else
- len = fwrite(buffer, len, 1, f_out);
+ if (log_syslog) {
+ syslog(LOG_INFO, "%s", buf);
+ return len;
+ } else
+ return fwrite(buf, len, 1, f_out);
+}
+
+static size_t valist_to_buf(char **buffer, const char *fmt, va_list src_args)
+{
+ size_t len, cur = LOG_START_SZ;
+ va_list args;
+
+ do {
+ *buffer = calloc(1, cur);
+
+ va_copy(args, src_args);
+ len = vsnprintf(*buffer, cur, fmt, args);
+ va_end(args);
+
+ if (len < cur)
+ break;
+
+ cur = len + 1;
+ free(*buffer);
+ } while (1);