mirror of https://github.com/n-hys/bash.git
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/* posixdir.h -- Posix directory reading includes and defines. */
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/* Copyright (C) 1987,1991,2012 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file should be included instead of <dirent.h> or <sys/dir.h>. */
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#if !defined (_POSIXDIR_H_)
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#define _POSIXDIR_H_
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#if defined (HAVE_DIRENT_H)
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# include <dirent.h>
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# if defined (HAVE_STRUCT_DIRENT_D_NAMLEN)
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# define D_NAMLEN(d) ((d)->d_namlen)
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# else
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# define D_NAMLEN(d) (strlen ((d)->d_name))
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# endif /* !HAVE_STRUCT_DIRENT_D_NAMLEN */
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#else
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# if defined (HAVE_SYS_NDIR_H)
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# include <sys/ndir.h>
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# endif
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# if defined (HAVE_SYS_DIR_H)
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# include <sys/dir.h>
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# endif
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# if defined (HAVE_NDIR_H)
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# include <ndir.h>
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# endif
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# if !defined (dirent)
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# define dirent direct
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# endif /* !dirent */
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# define D_NAMLEN(d) ((d)->d_namlen)
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#endif /* !HAVE_DIRENT_H */
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/* The bash code fairly consistently uses d_fileno; make sure it's available */
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#if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (HAVE_STRUCT_DIRENT_D_FILENO)
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# define d_fileno d_ino
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#endif
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/* Posix does not require that the d_ino field be present, and some
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systems do not provide it. */
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#if !defined (HAVE_STRUCT_DIRENT_D_INO) || defined (BROKEN_DIRENT_D_INO)
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# define REAL_DIR_ENTRY(dp) 1
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#else
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# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
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#endif /* _POSIX_SOURCE */
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#if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (BROKEN_DIRENT_D_INO)
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# define D_INO_AVAILABLE
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#endif
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/* Signal the rest of the code that it can safely use dirent.d_fileno */
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#if defined (D_INO_AVAILABLE) || defined (HAVE_STRUCT_DIRENT_D_FILENO)
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# define D_FILENO_AVAILABLE 1
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#endif
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#endif /* !_POSIXDIR_H_ */
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