--- /dev/null
+/* Copyright (C) 1992-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * X/Open Portability Guide 4.2: ftw.h
+ */
+
+#ifndef _FTW_H
+#define _FTW_H 1
+
+#include <features.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+
+__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_MISC || 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
+# ifdef __USE_GNU
+ ,
+ FTW_ACTIONRETVAL = 16 /* Assume callback to return FTW_* values instead of
+ zero to continue and non-zero to terminate. */
+# define FTW_ACTIONRETVAL FTW_ACTIONRETVAL
+# endif
+};
+
+#ifdef __USE_GNU
+/* Return values from callback functions. */
+enum
+{
+ FTW_CONTINUE = 0, /* Continue with next sibling or for FTW_D with the
+ first child. */
+# define FTW_CONTINUE FTW_CONTINUE
+ FTW_STOP = 1, /* Return from `ftw' or `nftw' with FTW_STOP as return
+ value. */
+# define FTW_STOP FTW_STOP
+ FTW_SKIP_SUBTREE = 2, /* Only meaningful for FTW_D: Don't walk through the
+ subtree, instead just continue with its next
+ sibling. */
+# define FTW_SKIP_SUBTREE FTW_SKIP_SUBTREE
+ FTW_SKIP_SIBLINGS = 3,/* Continue with FTW_DP callback for current directory
+ (if FTW_DEPTH) and then its siblings. */
+# define FTW_SKIP_SIBLINGS FTW_SKIP_SIBLINGS
+};
+#endif
+
+/* 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) (const char *__filename,
+ const struct stat *__status, int __flag);
+#ifdef __USE_LARGEFILE64
+typedef int (*__ftw64_func_t) (const char *__filename,
+ const struct stat64 *__status, int __flag);
+#endif
+#ifdef __USE_XOPEN_EXTENDED
+typedef int (*__nftw_func_t) (const char *__filename,
+ const struct stat *__status, int __flag,
+ struct FTW *__info);
+# ifdef __USE_LARGEFILE64
+typedef int (*__nftw64_func_t) (const char *__filename,
+ const struct stat64 *__status,
+ int __flag, struct FTW *__info);
+# endif
+#endif
+
+/* Call a function on every element in a directory tree.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+#ifndef __USE_FILE_OFFSET64
+extern int ftw (const char *__dir, __ftw_func_t __func, int __descriptors)
+ __nonnull ((1, 2));
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (ftw, (const char *__dir, __ftw_func_t __func,
+ int __descriptors), ftw64) __nonnull ((1, 2));
+# else
+# define ftw ftw64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int ftw64 (const char *__dir, __ftw64_func_t __func,
+ int __descriptors) __nonnull ((1, 2));
+#endif
+
+#ifdef __USE_XOPEN_EXTENDED
+/* Call a function on every element in a directory tree. FLAG allows
+ to specify the behaviour more detailed.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int nftw (const char *__dir, __nftw_func_t __func, int __descriptors,
+ int __flag) __nonnull ((1, 2));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (nftw, (const char *__dir, __nftw_func_t __func,
+ int __descriptors, int __flag), nftw64)
+ __nonnull ((1, 2));
+# else
+# define nftw nftw64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int nftw64 (const char *__dir, __nftw64_func_t __func,
+ int __descriptors, int __flag) __nonnull ((1, 2));
+# endif
+#endif
+
+__END_DECLS
+
+#endif /* ftw.h */
projects / cross.git / blobdiff