Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / wordsize-64 / fxstatat.c

diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c
index d88b10e947b2b2154a4154887b9b609e96ffbf5f..99050dce0a1ea7acdcec9e02f70f9f50e5f4a956 100644 (file)
--- a/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c
+++ b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2018 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
@@ -12,9 +12,8 @@
    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.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 /* Ho hum, since fxstatat == fxstatat64 we must get rid of the
    prototype or gcc will complain since they don't strictly match.  */
@@ -24,58 +23,26 @@
 #include <fcntl.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <string.h>
 #include <sys/stat.h>
 
 #include <sysdep.h>
 #include <sys/syscall.h>
-#include <bp-checks.h>
+
 
 /* Get information about the file NAME relative to FD in ST.  */
 int
 __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
 {
-  if ((vers != _STAT_VER_KERNEL && vers != _STAT_VER_LINUX)
-      || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+  if (vers != _STAT_VER_KERNEL && vers != _STAT_VER_LINUX)
     {
       __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;
-    }
-
-  INTERNAL_SYSCALL_DECL (err);
-  int res;
-
-  if (flag & AT_SYMLINK_NOFOLLOW)
-    res = INTERNAL_SYSCALL (lstat, err, 2, file, CHECK_1 (st));
-  else
-    res = INTERNAL_SYSCALL (stat, err, 2, file, CHECK_1 (st));
-
-  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
-    {
-      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (res, err), fd, buf);
-      res = -1;
-    }
-
-  return res;
+  return INLINE_SYSCALL (newfstatat, 4, fd, file, st, flag);
 }
+libc_hidden_def (__fxstatat)
 #undef __fxstatat64
 strong_alias (__fxstatat, __fxstatat64);
+strong_alias (__fxstatat64, __GI___fxstatat64)