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authorEric Andersen <andersen@codepoet.org>2003-09-05 22:33:19 +0000
committerEric Andersen <andersen@codepoet.org>2003-09-05 22:33:19 +0000
commitf6d73890f313184ae3012ec22600f1600236192a (patch)
treec1a9a579e435f52d9454c6823cd3296717e588d6 /include
parent6f06a7e4c1594f710828540afa4416ca1a0df031 (diff)
Add support for ftw and nftw
Diffstat (limited to 'include')
-rw-r--r--include/ftw.h150
1 files changed, 150 insertions, 0 deletions
diff --git a/include/ftw.h b/include/ftw.h
new file mode 100644
index 000000000..4939297b3
--- /dev/null
+++ b/include/ftw.h
@@ -0,0 +1,150 @@
+/* Copyright (C) 1992,1996,1997,1998,1999,2003 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * 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_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) (__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);
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (ftw, (__const char *__dir, __ftw_func_t __func,
+ int __descriptors), ftw64);
+# else
+# define ftw ftw64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int ftw64 (__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.
+
+ 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);
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (nftw, (__const char *__dir, __nftw_func_t __func,
+ int __descriptors, int __flag), nftw64);
+# else
+# define nftw nftw64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int nftw64 (__const char *__dir, __nftw64_func_t __func,
+ int __descriptors, int __flag);
+# endif
+#endif
+
+__END_DECLS
+
+#endif /* ftw.h */