about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/readlinkat.c
diff options
context:
space:
mode:
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/readlinkat.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.xz
glibc-a334319f6530564d22e775935d9c91663623a1b4.zip
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/unix/sysv/linux/readlinkat.c')
-rw-r--r--sysdeps/unix/sysv/linux/readlinkat.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/sysdeps/unix/sysv/linux/readlinkat.c b/sysdeps/unix/sysv/linux/readlinkat.c
deleted file mode 100644
index 1361596503..0000000000
--- a/sysdeps/unix/sysv/linux/readlinkat.c
+++ /dev/null
@@ -1,90 +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 <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysdep.h>
-#include <unistd.h>
-#include <kernel-features.h>
-
-
-/* Read the contents of the symbolic link PATH relative to FD into no
-   more than LEN bytes of BUF.  */
-ssize_t
-readlinkat (fd, path, buf, len)
-     int fd;
-     const char *path;
-     char *buf;
-     size_t len;
-{
-  int result;
-
-#ifdef __NR_readlinkat
-# ifndef __ASSUME_ATFCTS
-  if (__have_atfcts >= 0)
-# endif
-    {
-      result = INLINE_SYSCALL (readlinkat, 4, fd, path, buf, len);
-# ifndef __ASSUME_ATFCTS
-      if (result == -1 && errno == ENOSYS)
-	__have_atfcts = -1;
-      else
-# endif
-	return result;
-    }
-#endif
-
-#ifndef __ASSUME_ATFCTS
-  char *pathbuf = NULL;
-
-  if (fd != AT_FDCWD && path[0] != '/')
-    {
-      size_t pathlen = strlen (path);
-      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 + pathlen;
-      pathbuf = __alloca (buflen);
-
-      __snprintf (pathbuf, buflen, procfd, fd, path);
-      path = pathbuf;
-    }
-
-  INTERNAL_SYSCALL_DECL (err);
-
-  result = INTERNAL_SYSCALL (readlink, err, 3, path, buf, len);
-
-  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
-    {
-      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, pathbuf);
-      result = -1;
-    }
-
-  return result;
-#endif
-}
-libc_hidden_def (readlinkat)