fuse_overlayfs_error.h

/* fuse-overlayfs: Overlay Filesystem in Userspace

   Copyright (C) 2019 Red Hat Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef FUSE_OVERLAYFS_ERROR_H
#define FUSE_OVERLAYFS_ERROR_H

#include <config.h>

#ifdef HAVE_ERROR_H
#  include <error.h>
#else
#  define error(status, errno, fmt, ...)                                \
    do                                                                  \
      {                                                                 \
        if (errno == 0)                                                 \
          fprintf (stderr, "fuse-overlayfs: " fmt "\n", ##__VA_ARGS__); \
        else                                                            \
          {                                                             \
            fprintf (stderr, "fuse-overlayfs: " fmt, ##__VA_ARGS__);    \
            fprintf (stderr, ": %s\n", strerror (errno));               \
          }                                                             \
        if (status)                                                     \
          exit (status);                                                \
    } while (0)
#endif

#endif