LXR qemu/tools/virtiofsd/fuse

   1/*
   2 * FUSE: Filesystem in Userspace
   3 * Copyright (C) 2019  Red Hat, Inc.
   4 *
   5 * Logging API.
   6 *
   7 * This program can be distributed under the terms of the GNU LGPLv2.
   8 * See the file COPYING.LIB
   9 */
  10
  11#include "qemu/osdep.h"
  12#include "fuse_log.h"
  13
  14#include <stdarg.h>
  15#include <stdio.h>
  16
  17static void default_log_func(__attribute__((unused)) enum fuse_log_level level,
  18                             const char *fmt, va_list ap)
  19{
  20    vfprintf(stderr, fmt, ap);
  21}
  22
  23static fuse_log_func_t log_func = default_log_func;
  24
  25void fuse_set_log_func(fuse_log_func_t func)
  26{
  27    if (!func) {
  28        func = default_log_func;
  29    }
  30
  31    log_func = func;
  32}
  33
  34void fuse_log(enum fuse_log_level level, const char *fmt, ...)
  35{
  36    va_list ap;
  37
  38    va_start(ap, fmt);
  39    log_func(level, fmt, ap);
  40    va_end(ap);
  41}
  42