diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/fchownat.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/fchownat.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/fchownat.c b/sysdeps/unix/sysv/linux/powerpc/fchownat.c deleted file mode 100644 index 67c5706..0000000 --- a/sysdeps/unix/sysv/linux/powerpc/fchownat.c +++ /dev/null @@ -1,110 +0,0 @@ -/* Copyright (C) 2005, 2006 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. */ - -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <limits.h> -#include <sysdep.h> -#include <stdlib.h> - -#include <kernel-features.h> - -/* - In Linux 2.1.x the chown functions have been changed. A new function lchown - was introduced. The new chown now follows symlinks - the old chown and the - new lchown do not follow symlinks. - This file emulates chown() under the old kernels. -*/ - -int -fchownat (int fd, const char *file, uid_t owner, gid_t group, int flag) -{ - int result; - -#ifdef __NR_fchownat -# ifndef __ASSUME_ATFCTS - if (__have_atfcts >= 0) -# endif - { - result = INLINE_SYSCALL (fchownat, 5, fd, file, owner, group, flag); -# ifndef __ASSUME_ATFCTS - if (result == -1 && errno == ENOSYS) - __have_atfcts = -1; - else -# endif - return result; - } -#endif - -#ifndef __ASSUME_ATFCTS - if (flag & ~AT_SYMLINK_NOFOLLOW) - { - __set_errno (EINVAL); - return -1; - } - - char *buf = NULL; - - if (fd != AT_FDCWD && file[0] != '/') - { - size_t filelen = strlen (file); - static const char procfd[] = "/proc/self/fd/%d/%s"; - /* Buffer for the path name we are going to use. It consists of - - the string /proc/self/fd/ - - the file descriptor number - - the file name provided. - The final NUL is included in the sizeof. A bit of overhead - due to the format elements compensates for possible negative - numbers. */ - size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; - buf = alloca (buflen); - - __snprintf (buf, buflen, procfd, fd, file); - file = buf; - } - -# if __ASSUME_LCHOWN_SYSCALL - INTERNAL_SYSCALL_DECL (err); - - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lchown, err, 3, file, owner, group); - else - result = INTERNAL_SYSCALL (chown, err, 3, file, owner, group); - - if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0)) - { - __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); - return -1; - } -# else - /* Don't inline the rest to avoid unnecessary code duplication. */ - if (flag & AT_SYMLINK_NOFOLLOW) - result = __lchown (file, owner, group); - else - result = __chown (file, owner, group); - if (result < 0) - __atfct_seterrno (errno, fd, buf); -# endif - - return result; - -#endif -} |