diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/xmknodat.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/xmknodat.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/sysdeps/unix/sysv/linux/xmknodat.c b/sysdeps/unix/sysv/linux/xmknodat.c deleted file mode 100644 index ef27b686cc..0000000000 --- a/sysdeps/unix/sysv/linux/xmknodat.c +++ /dev/null @@ -1,95 +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 <sys/types.h> -#include <sys/stat.h> -#include <sys/sysmacros.h> - -#include <sysdep.h> -#include <kernel-features.h> -#include <sys/syscall.h> -#include <bp-checks.h> - - -/* Create a device file named PATH relative to FD, with permission and - special bits MODE and device number DEV (which can be constructed - from major and minor device numbers with the `makedev' macro above). */ -int -__xmknodat (int vers, int fd, const char *file, mode_t mode, dev_t *dev) -{ - if (vers != _MKNOD_VER) - { - __set_errno (EINVAL); - return -1; - } - - /* We must convert the value to dev_t type used by the kernel. */ - unsigned long long int k_dev = (*dev) & ((1ULL << 32) - 1); - if (k_dev != *dev) - { - __set_errno (EINVAL); - return -1; - } - -#ifdef __NR_mknodat -# ifndef __ASSUME_ATFCTS - if (__have_atfcts >= 0) -# endif - { - int res = INLINE_SYSCALL (mknodat, 4, fd, file, mode, - (unsigned int) k_dev); -# ifndef __ASSUME_ATFCTS - if (res == -1 && errno == ENOSYS) - __have_atfcts = -1; - else -# endif - return res; - } -#endif - -#ifndef __ASSUME_ATFCTS - 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; - } - - return INLINE_SYSCALL (mknod, 3, CHECK_STRING (file), mode, - (unsigned int) k_dev); -#endif -} - -libc_hidden_def (__xmknodat) |