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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/unix/sysv/linux/linkat.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/unix/sysv/linux/linkat.c')
-rw-r--r--sysdeps/unix/sysv/linux/linkat.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/sysdeps/unix/sysv/linux/linkat.c b/sysdeps/unix/sysv/linux/linkat.c
deleted file mode 100644
index cfd0e18223..0000000000
--- a/sysdeps/unix/sysv/linux/linkat.c
+++ /dev/null
@@ -1,115 +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 <string.h>
-#include <stdio.h>
-#include <sysdep.h>
-#include <unistd.h>
-#include <kernel-features.h>
-
-
-/* Make a link to FROM named TO but relative paths in TO and FROM are
- interpreted relative to FROMFD and TOFD respectively. */
-int
-linkat (fromfd, from, tofd, to, flags)
- int fromfd;
- const char *from;
- int tofd;
- const char *to;
- int flags;
-{
- int result;
-
-#ifdef __NR_linkat
-# ifndef __ASSUME_ATFCTS
- if (__have_atfcts >= 0)
-# endif
- {
- result = INLINE_SYSCALL (linkat, 5, fromfd, from, tofd, to, flags);
-# ifndef __ASSUME_ATFCTS
- if (result == -1 && errno == ENOSYS)
- __have_atfcts = -1;
- else
-# endif
- return result;
- }
-#endif
-
-#ifndef __ASSUME_ATFCTS
- /* Without kernel support we cannot handle AT_SYMLINK_FOLLOW. */
- if (flags != 0)
- {
- __set_errno (EINVAL);
- return -1;
- }
-
- static const char procfd[] = "/proc/self/fd/%d/%s";
- char *buffrom = NULL;
-
- if (fromfd != AT_FDCWD && from[0] != '/')
- {
- size_t filelen = strlen (from);
- /* 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;
- buffrom = alloca (buflen);
-
- __snprintf (buffrom, buflen, procfd, fromfd, from);
- from = buffrom;
- }
-
- char *bufto = NULL;
-
- if (tofd != AT_FDCWD && to[0] != '/')
- {
- size_t filelen = strlen (to);
- /* 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;
- bufto = alloca (buflen);
-
- __snprintf (bufto, buflen, procfd, tofd, to);
- to = bufto;
- }
-
- INTERNAL_SYSCALL_DECL (err);
-
- result = INTERNAL_SYSCALL (link, err, 2, from, to);
-
- if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
- {
- __atfct_seterrno_2 (INTERNAL_SYSCALL_ERRNO (result, err), tofd, bufto,
- fromfd, buffrom);
- result = -1;
- }
-
- return result;
-#endif
-}