1 /* A GNU-like <dirent.h>.
2 Copyright (C) 2006-2009 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 /* The definition of GL_LINK_WARNING is copied here. */
36 /* Declare overridden functions. */
39 # define opendir rpl_opendir
40 extern DIR * opendir (const char *);
41 # define closedir rpl_closedir
42 extern int closedir (DIR *);
45 /* Declare other POSIX functions. */
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 const *dir);
53 #elif defined GNULIB_POSIXCHECK
56 (GL_LINK_WARNING ("dirfd is unportable - " \
57 "use gnulib module dirfd for portability"), \
62 /* Scan the directory DIR, calling FILTER on each directory entry.
63 Entries for which FILTER returns nonzero are individually malloc'd,
64 sorted using qsort with CMP, and collected in a malloc'd array in
65 *NAMELIST. Returns the number of entries selected, or -1 on error. */
67 extern int scandir (const char *dir, struct dirent ***namelist,
68 int (*filter) (const struct dirent *),
69 int (*cmp) (const struct dirent **, const struct dirent **));
71 #elif defined GNULIB_POSIXCHECK
73 # define scandir(d,n,f,c) \
74 (GL_LINK_WARNING ("scandir is unportable - " \
75 "use gnulib module scandir for portability"), \
79 #if @GNULIB_ALPHASORT@
80 /* Compare two 'struct dirent' entries alphabetically. */
81 # if !@HAVE_ALPHASORT@
82 extern int alphasort (const struct dirent **, const struct dirent **);
84 #elif defined GNULIB_POSIXCHECK
86 # define alphasort(a,b) \
87 (GL_LINK_WARNING ("alphasort is unportable - " \
88 "use gnulib module alphasort for portability"), \
97 #endif /* _GL_DIRENT_H */
98 #endif /* _GL_DIRENT_H */