src/common/compat/dirent.h

   1 /*
   2  * Copyright (C) 2015 Michael Jeanson <mjeanson@efficios.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #ifndef _COMPAT_DIRENT_H
  24 #define _COMPAT_DIRENT_H
  25
  26 #include <dirent.h>
  27
  28 #ifdef HAVE_DIRFD
  29 static inline
  30 int lttng_dirfd(DIR *dir) {
  31         return dirfd(dir);
  32 }
  33 #else
  34 # ifndef __XOPEN_OR_POSIX
  35 static inline
  36 int lttng_dirfd(DIR *dir) {
  37         return dir->dd_fd;
  38 }
  39 # else
  40 static inline
  41 int lttng_dirfd(DIR *dir) {
  42         return dir->d_fd;
  43 }
  44 # endif
  45 #endif
  46
  47 #endif /* _COMPAT_DIRENT_H */