-/* Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Ian Lance Taylor (ian@airs.com).
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
*/
#ifndef _FTW_H
-
#define _FTW_H 1
+
#include <features.h>
-#include <statbuf.h>
+#include <sys/types.h>
+#include <sys/stat.h>
-/* The FLAG argument to the user function passed to ftw. */
-#define FTW_F 0 /* Regular file. */
-#define FTW_D 1 /* Directory. */
-#define FTW_DNR 2 /* Unreadable directory. */
-#define FTW_NS 3 /* Unstatable file. */
__BEGIN_DECLS
+/* Values for the FLAG argument to the user function passed to `ftw'
+ and 'nftw'. */
+enum
+{
+ FTW_F, /* Regular file. */
+#define FTW_F FTW_F
+ FTW_D, /* Directory. */
+#define FTW_D FTW_D
+ FTW_DNR, /* Unreadable directory. */
+#define FTW_DNR FTW_DNR
+ FTW_NS, /* Unstatable file. */
+#define FTW_NS FTW_NS
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+
+ FTW_SL, /* Symbolic link. */
+# define FTW_SL FTW_SL
+#endif
+
+#ifdef __USE_XOPEN_EXTENDED
+/* These flags are only passed from the `nftw' function. */
+ FTW_DP, /* Directory, all subdirs have been visited. */
+# define FTW_DP FTW_DP
+ FTW_SLN /* Symbolic link naming non-existing file. */
+# define FTW_SLN FTW_SLN
+
+#endif /* extended X/Open */
+};
+
+
+#ifdef __USE_XOPEN_EXTENDED
+/* Flags for fourth argument of `nftw'. */
+enum
+{
+ FTW_PHYS = 1, /* Perform physical walk, ignore symlinks. */
+# define FTW_PHYS FTW_PHYS
+ FTW_MOUNT = 2, /* Report only files on same file system as the
+ argument. */
+# define FTW_MOUNT FTW_MOUNT
+ FTW_CHDIR = 4, /* Change to current directory while processing it. */
+# define FTW_CHDIR FTW_CHDIR
+ FTW_DEPTH = 8 /* Report files in directory before directory itself.*/
+# define FTW_DEPTH FTW_DEPTH
+};
+
+/* Structure used for fourth argument to callback function for `nftw'. */
+struct FTW
+ {
+ int base;
+ int level;
+ };
+#endif /* extended X/Open */
+
+
+/* Convenient types for callback functions. */
+typedef int (*__ftw_func_t) __P ((__const char *__filename,
+ __const struct stat *__status, int __flag));
+#ifdef __USE_LARGEFILE64
+typedef int (*__ftw64_func_t) __P ((__const char *__filename,
+ __const struct stat64 *__status,
+ int __flag));
+#endif
+#ifdef __USE_XOPEN_EXTENDED
+typedef int (*__nftw_func_t) __P ((__const char *__filename,
+ __const struct stat *__status, int __flag,
+ struct FTW *__info));
+# ifdef __USE_LARGEFILE64
+typedef int (*__nftw64_func_t) __P ((__const char *__filename,
+ __const struct stat64 *__status,
+ int __flag, struct FTW *__info));
+# endif
+#endif
+
/* Call a function on every element in a directory tree. */
-extern int ftw __P ((__const char *__dir,
- int (*__func) (__const char *__file,
- __const struct stat *__status,
- int __flag),
+#ifndef __USE_FILE_OFFSET64
+extern int ftw __P ((__const char *__dir, __ftw_func_t __func,
int __descriptors));
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (ftw, __P ((__const char *__dir, __ftw_func_t __func,
+ int __descriptors)), ftw64);
+# else
+# define ftw ftw64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int ftw64 __P ((__const char *__dir, __ftw64_func_t __func,
+ int __descriptors));
+#endif
+
+#ifdef __USE_XOPEN_EXTENDED
+/* Call a function on every element in a directory tree. FLAG allows
+ to specify the behaviour more detailed. */
+# ifndef __USE_FILE_OFFSET64
+extern int nftw __P ((__const char *__dir, __nftw_func_t __func,
+ int __descriptors, int __flag));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (nftw, __P ((__const char *__dir, __nftw_func_t __func,
+ int __descriptors, int __flag)), nftw64);
+# else
+# define nftw nftw64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int nftw64 __P ((__const char *__dir, __nftw64_func_t __func,
+ int __descriptors, int __flag));
+# endif
+#endif
__END_DECLS