diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/m68k/fchownat.c | 129 |
1 files changed, 1 insertions, 128 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/fchownat.c b/ports/sysdeps/unix/sysv/linux/m68k/fchownat.c index cbf538099..dfed76aeb 100644 --- a/ports/sysdeps/unix/sysv/linux/m68k/fchownat.c +++ b/ports/sysdeps/unix/sysv/linux/m68k/fchownat.c @@ -1,128 +1 @@ -/* Copyright (C) 2005, 2006, 2009 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 <unistd.h> -#include <string.h> - -#include <sysdep.h> -#include <sys/syscall.h> -#include <bp-checks.h> - -#include <linux/posix_types.h> -#include <kernel-features.h> - -#ifdef __NR_chown32 -# if __ASSUME_32BITUIDS == 0 -/* This variable is shared with all files that need to check for 32bit - uids. */ -extern int __libc_missing_32bit_uids; -# endif -#endif /* __NR_chown32 */ - -int -fchownat (int fd, const char *file, uid_t owner, gid_t group, int flag) -{ - if (flag & ~AT_SYMLINK_NOFOLLOW) - { - __set_errno (EINVAL); - return -1; - } - - char *buf = NULL; - - if (fd != AT_FDCWD && file[0] != '/') - { - size_t filelen = strlen (file); - if (__builtin_expect (filelen == 0, 0)) - { - __set_errno (ENOENT); - return -1; - } - - 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; - } - - int result; - INTERNAL_SYSCALL_DECL (err); - -#if __ASSUME_32BITUIDS > 0 - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lchown32, err, 3, CHECK_STRING (file), owner, - group); - else - result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file), owner, - group); -#else -# ifdef __NR_chown32 - if (__libc_missing_32bit_uids <= 0) - { - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lchown32, err, 3, CHECK_STRING (file), - owner, group); - else - result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file), owner, - group); - - if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) - return result; - if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS) - goto fail; - - __libc_missing_32bit_uids = 1; - } -# endif /* __NR_chown32 */ - - if (((owner + 1) > (gid_t) ((__kernel_uid_t) -1U)) - || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U))) - { - __set_errno (EINVAL); - return -1; - } - - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lchown, err, 3, CHECK_STRING (file), owner, - group); - else - result = INTERNAL_SYSCALL (chown, err, 3, CHECK_STRING (file), owner, - group); -#endif - - if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0)) - { - fail: - __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); - result = -1; - } - - return result; -} +#include <sysdeps/unix/sysv/linux/i386/fchownat.c> |