libbtrfsutil/btrfsutil_internal.h

   1 /*
   2  * Copyright (C) 2018 Facebook
   3  *
   4  * This file is part of libbtrfsutil.
   5  *
   6  * libbtrfsutil is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * libbtrfsutil is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with libbtrfsutil.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef BTRFS_UTIL_INTERNAL_H
  21 #define BTRFS_UTIL_INTERNAL_H
  22
  23 #include <asm/byteorder.h>
  24
  25 #include "btrfsutil.h"
  26 #include "btrfs.h"
  27 #include "btrfs_tree.h"
  28
  29 #define PUBLIC __attribute__((visibility("default")))
  30
  31 #define le16_to_cpu __le16_to_cpu
  32 #define le32_to_cpu __le32_to_cpu
  33 #define le64_to_cpu __le64_to_cpu
  34
  35 #define SAVE_ERRNO_AND_CLOSE(fd) do {   \
  36         int saved_errno = errno;        \
  37                                         \
  38         close(fd);                      \
  39         errno = saved_errno;            \
  40 } while (0)
  41
  42 #endif /* BTRFS_UTIL_INTERNAL_H */