/* A GNU-like <dirent.h>.
- Copyright (C) 2006-2008 Free Software Foundation, Inc.
+ Copyright (C) 2006-2009 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
extern int closedir (DIR *);
#endif
-/* Declare GNU extensions. */
+/* Declare other POSIX functions. */
#if @GNULIB_DIRFD@
# if !@HAVE_DECL_DIRFD@ && !defined dirfd
dirfd (d))
#endif
+#if @GNULIB_SCANDIR@
+/* Scan the directory DIR, calling FILTER on each directory entry.
+ Entries for which FILTER returns nonzero are individually malloc'd,
+ sorted using qsort with CMP, and collected in a malloc'd array in
+ *NAMELIST. Returns the number of entries selected, or -1 on error. */
+# if !@HAVE_SCANDIR@
+extern int scandir (const char *dir, struct dirent ***namelist,
+ int (*filter) (const struct dirent *),
+ int (*cmp) (const struct dirent **, const struct dirent **));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef scandir
+# define scandir(d,n,f,c) \
+ (GL_LINK_WARNING ("scandir is unportable - " \
+ "use gnulib module scandir for portability"), \
+ scandir (d, n, f, c))
+#endif
+
+#if @GNULIB_ALPHASORT@
+/* Compare two 'struct dirent' entries alphabetically. */
+# if !@HAVE_ALPHASORT@
+extern int alphasort (const struct dirent **, const struct dirent **);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef alphasort
+# define alphasort(a,b) \
+ (GL_LINK_WARNING ("alphasort is unportable - " \
+ "use gnulib module alphasort for portability"), \
+ alphasort (a, b))
+#endif
+
#ifdef __cplusplus
}
#endif