/* 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 */