Remove __ASSUME_TRUNCATE64_SYSCALL.

[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / ftruncate64.c

diff --git a/sysdeps/unix/sysv/linux/ftruncate64.c b/sysdeps/unix/sysv/linux/ftruncate64.c
index 719f025929539e3b20f903663873dbbb58725481..af05a4bbba25f9ebd642f140a1c56e813d3965ad 100644 (file)
--- a/sysdeps/unix/sysv/linux/ftruncate64.c
+++ b/sysdeps/unix/sysv/linux/ftruncate64.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2001,2003,2005,2006,2011
-        Free Software Foundation, Inc.
+/* Copyright (C) 1997-2012 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
@@ -24,53 +23,14 @@
 #include <sysdep.h>
 #include <sys/syscall.h>
 
-#include <kernel-features.h>
-
-#ifdef __NR_ftruncate64
-#ifndef __ASSUME_TRUNCATE64_SYSCALL
-/* The variable is shared between all wrappers around *truncate64 calls.  */
-extern int __have_no_truncate64;
-#endif
-
-
 /* Truncate the file referenced by FD to LENGTH bytes.  */
 int
 __ftruncate64 (int fd, off64_t length)
 {
-#ifndef __ASSUME_TRUNCATE64_SYSCALL
-  if (! __have_no_truncate64)
-#endif
-    {
-      unsigned int low = length & 0xffffffff;
-      unsigned int high = length >> 32;
-#ifndef __ASSUME_TRUNCATE64_SYSCALL
-      int saved_errno = errno;
-#endif
-      int result = INLINE_SYSCALL (ftruncate64, 3, fd,
-                                  __LONG_LONG_PAIR (high, low));
-#ifndef __ASSUME_TRUNCATE64_SYSCALL
-      if (result != -1 || errno != ENOSYS)
-#endif
-       return result;
-
-#ifndef __ASSUME_TRUNCATE64_SYSCALL
-      __set_errno (saved_errno);
-      __have_no_truncate64 = 1;
-#endif
-    }
-
-#ifndef __ASSUME_TRUNCATE64_SYSCALL
-  if ((off_t) length != length)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-  return __ftruncate (fd, (off_t) length);
-#endif
+  unsigned int low = length & 0xffffffff;
+  unsigned int high = length >> 32;
+  int result = INLINE_SYSCALL (ftruncate64, 3, fd,
+                              __LONG_LONG_PAIR (high, low));
+  return result;
 }
 weak_alias (__ftruncate64, ftruncate64)
-
-#else
-/* Use the generic implementation.  */
-# include <misc/ftruncate64.c>
-#endif