glibc/io/ftw.h
Ulrich Drepper 2c008571c3 Update.
2003-04-19  Ulrich Drepper  <drepper@redhat.com>

	* catgets/nl_types.h: Remove __THROW marker from cancellation points.
	* dirent/dirent.h: Likewise.
	* dlfcn/dlfcn.h: Likewise.
	* grp/grp.h: Likewise.
	* iconv/iconv.h: Likewise.
	* io/fcntl.h: Likewise.
	* io/ftw.h: Likewise.
	* libio/stdio.h: Likewise.
	* misc/sys/mman.h: Likewise.
	* misc/sys/select.h: Likewise.
	* misc/sys/syslog.h: Likewise.
	* misc/sys/uio.h: Likewise.
	* posix/spawn.h: Likewise.
	* posix/unistd.h: Likewise.
	* posix/sys/wait.h: Likewise.
	* pwd/pwd.h: Likewise.
	* resolv/netdb.h: Likewise.
	* rt/aio.h: Likewise.
	* shadow/shadow.h: Likewise.
	* signal/signal.h: Likewise.
	* socket/sys/socket.h: Likewise.
	* stdlib/stdlib.h: Likewise.
	* streams/stropts.h: Likewise.
	* string/string.h: Likewise.
	* sysdeps/gnu/utmpx.h: Likewise.
	* sysvipc/sys/msg.h: Likewise.
	* termios/termios.h: Likewise.
	* time/time.h: Likewise.
	* wcsmbs/wchar.h: Likewise.
	* iconv/gconv_cache.c: Include <not-cancel.h> and use non-cancelable
	functions.
	* misc/daemon.c: Likewise.
	* sysdeps/generic/backtracesymsfd.c: Likewise.
	* sysdeps/generic/check_fds.c: Likewise.
	* sysdeps/unix/sysv/linux/gethostid.c: Likewise.
	* sysdeps/unix/sysv/linux/not-cancel.h: New file.
	* sysdeps/generic/not-cancel.h: New file.
	* csu/Makefile (distribute): Add not-cancel.h.
	* sysdeps/unix/sysv/linux/fatal-prepare.h: New file.
	* sysdeps/unix/sysv/linux/Makefile: Define FATAL_PREPARE_INCLUDE
	for assert.c and assert-perr.c to include <fatal-prepare.h>.
	* sysdeps/unix/sysv/linux/Dist: Add fatal-prepare.h.

	* sysdeps/posix/remove.c (remove): Rewrite.  No need to restore
	errno and unlink first.

	* io/ftw.c (ftw_dir): In all places assume fchdir is available.

2003-04-18  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/libc_fatal.c (__libc_fatal): Use
	INTERNAL_SYSCALL instead of INLINE_SYSCALL.
2003-04-19 16:57:17 +00:00

151 lines
4.2 KiB
C

/* 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 */