1 /* A GNU-like <dirent.h>.
2 Copyright (C) 2006-2010 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 @PRAGMA_SYSTEM_HEADER@
23 /* The include_next requires a split double-inclusion guard. */
24 #@INCLUDE_NEXT@ @NEXT_DIRENT_H@
29 /* Get ino_t. Needed on some systems, including glibc 2.8. */
30 #include <sys/types.h>
32 /* The definition of _GL_ARG_NONNULL is copied here. */
34 /* The definition of _GL_WARN_ON_USE is copied here. */
40 /* Declare overridden functions. */
42 #if @REPLACE_CLOSEDIR@
43 # define closedir rpl_closedir
44 extern int closedir (DIR *) _GL_ARG_NONNULL ((1));
48 # if !@HAVE_DECL_DIRFD@ && !defined dirfd
49 /* Return the file descriptor associated with the given directory stream,
50 or -1 if none exists. */
51 extern int dirfd (DIR *dir) _GL_ARG_NONNULL ((1));
53 #elif defined GNULIB_POSIXCHECK
55 # if HAVE_RAW_DECL_DIRFD
56 _GL_WARN_ON_USE (dirfd, "dirfd is unportable - "
57 "use gnulib module dirfd for portability");
61 #if @GNULIB_FDOPENDIR@
62 # if @REPLACE_FDOPENDIR@
64 # define fdopendir rpl_fdopendir
66 # if !@HAVE_FDOPENDIR@ || @REPLACE_FDOPENDIR@
67 /* Open a directory stream visiting the given directory file
68 descriptor. Return NULL and set errno if fd is not visiting a
69 directory. On success, this function consumes fd (it will be
70 implicitly closed either by this function or by a subsequent
72 extern DIR *fdopendir (int fd);
74 #elif defined GNULIB_POSIXCHECK
76 # if HAVE_RAW_DECL_FDOPENDIR
77 _GL_WARN_ON_USE (fdopendir, "fdopendir is unportable - "
78 "use gnulib module fdopendir for portability");
83 # define opendir rpl_opendir
84 extern DIR * opendir (const char *) _GL_ARG_NONNULL ((1));
88 /* Scan the directory DIR, calling FILTER on each directory entry.
89 Entries for which FILTER returns nonzero are individually malloc'd,
90 sorted using qsort with CMP, and collected in a malloc'd array in
91 *NAMELIST. Returns the number of entries selected, or -1 on error. */
93 extern int scandir (const char *dir, struct dirent ***namelist,
94 int (*filter) (const struct dirent *),
95 int (*cmp) (const struct dirent **, const struct dirent **))
96 _GL_ARG_NONNULL ((1, 2, 4));
98 #elif defined GNULIB_POSIXCHECK
100 # if HAVE_RAW_DECL_SCANDIR
101 _GL_WARN_ON_USE (scandir, "scandir is unportable - "
102 "use gnulib module scandir for portability");
106 #if @GNULIB_ALPHASORT@
107 /* Compare two 'struct dirent' entries alphabetically. */
108 # if !@HAVE_ALPHASORT@
109 extern int alphasort (const struct dirent **, const struct dirent **)
110 _GL_ARG_NONNULL ((1, 2));
112 #elif defined GNULIB_POSIXCHECK
114 # if HAVE_RAW_DECL_ALPHASORT
115 _GL_WARN_ON_USE (alphasort, "alphasort is unportable - "
116 "use gnulib module alphasort for portability");
125 #endif /* _GL_DIRENT_H */
126 #endif /* _GL_DIRENT_H */