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d951286f64
* io/Makefile (test-srcs): Add ftwtest. (distribute): Add ftwtest-sh. (tests): Call ftwtest-sh for this goal. * io/ftwtest-sh: New file. Sets up test environment, calls test program and compares the result. * io/ftwtest.c: Test program for ftw. * misc/search.h: Add comments. Declare tdestroy. * misc/tsearch.c (tdestroy): New function.
110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/* Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/*
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* X/Open Portability Guide 4.2: ftw.h
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*/
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#ifndef _FTW_H
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#define _FTW_H 1
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#include <features.h>
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#include <sys/types.h>
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#include <statbuf.h>
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__BEGIN_DECLS
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/* Values for the FLAG argument to the user function passed to `ftw'
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and 'nftw'. */
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enum
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{
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FTW_F, /* Regular file. */
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#define FTW_F FTW_F
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FTW_D, /* Directory. */
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#define FTW_D FTW_D
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FTW_DNR, /* Unreadable directory. */
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#define FTW_DNR FTW_DNR
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FTW_NS, /* Unstatable file. */
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#define FTW_NS FTW_NS
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#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
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FTW_SL, /* Symbolic link. */
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# define FTW_SL FTW_SL
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#endif
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#ifdef __USE_XOPEN_EXTENDED
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/* These flags are only passed from the `nftw' function. */
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FTW_DP, /* Directory, all subdirs have been visited. */
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# define FTW_DP FTW_DP
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FTW_SLN /* Symbolic link naming non-existing file. */
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# define FTW_SLN FTW_SLN
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#endif /* extended X/Open */
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};
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#ifdef __USE_XOPEN_EXTENDED
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/* Flags for fourth argument of `nftw'. */
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enum
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{
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FTW_PHYS = 1, /* Perform physical walk, ignore symlinks. */
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# define FTW_PHYS FTW_PHYS
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FTW_MOUNT = 2, /* Report only files on same file system as the
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argument. */
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# define FTW_MOUNT FTW_MOUNT
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FTW_CHDIR = 4, /* Change to current directory while processing it. */
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# define FTW_CHDIR FTW_CHDIR
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FTW_DEPTH = 8 /* Report files in directory before directory itself.*/
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# define FTW_DEPTH FTW_DEPTH
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};
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/* Structure used for fourth argument to callback function for `nftw'. */
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struct FTW
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{
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int base;
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int level;
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};
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#endif /* extended X/Open */
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/* Convenient types for callback functions. */
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typedef int (*__ftw_func_t) __P ((__const char *filename,
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__const struct stat *status, int flag));
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#ifdef __USE_XOPEN_EXTENDED
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typedef int (*__nftw_func_t) __P ((__const char *filename,
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__const struct stat *status, int flag,
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struct FTW *));
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#endif
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/* Call a function on every element in a directory tree. */
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extern int ftw __P ((__const char *dir, __ftw_func_t func, int descriptors));
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#ifdef __USE_XOPEN_EXTENDED
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/* Call a function on every element in a directory tree. FLAG allows
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to specify the behaviour more detailed. */
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extern int nftw __P ((__const char *dir, __nftw_func_t func,
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int descriptors, int flag));
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#endif
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__END_DECLS
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#endif /* ftw.h */
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