summaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/truncate64.c
diff options
context:
space:
mode:
authorJoseph Myers <joseph@codesourcery.com>2012-05-30 14:52:34 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-05-30 14:52:34 +0000
commit3a85279c0b02c3fcbe47f08743cace8550bf618e (patch)
tree0d1e3183aa2c329c9cb5786782dae7fcc12651a4 /sysdeps/unix/sysv/linux/truncate64.c
parent4da0431d5f4d9c88d476d1209849ff5344345021 (diff)
Remove __ASSUME_TRUNCATE64_SYSCALL.
Diffstat (limited to 'sysdeps/unix/sysv/linux/truncate64.c')
-rw-r--r--sysdeps/unix/sysv/linux/truncate64.c51
1 files changed, 6 insertions, 45 deletions
diff --git a/sysdeps/unix/sysv/linux/truncate64.c b/sysdeps/unix/sysv/linux/truncate64.c
index 12ae4b5dd3..b31b74d1de 100644
--- a/sysdeps/unix/sysv/linux/truncate64.c
+++ b/sysdeps/unix/sysv/linux/truncate64.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1997-2000,2003,2004,2005,2006,2011
- 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
@@ -25,51 +24,13 @@
#include <sys/syscall.h>
#include <bp-checks.h>
-#include <kernel-features.h>
-
-#ifdef __NR_truncate64
-#ifndef __ASSUME_TRUNCATE64_SYSCALL
-/* The variable is shared between all wrappers around *truncate64 calls. */
-int __have_no_truncate64;
-#endif
-
/* Truncate the file referenced by FD to LENGTH bytes. */
int
truncate64 (const char *path, 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 (truncate64, 3, CHECK_STRING (path),
- __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 __truncate (path, (off_t) length);
-#endif
+ unsigned int low = length & 0xffffffff;
+ unsigned int high = length >> 32;
+ int result = INLINE_SYSCALL (truncate64, 3, CHECK_STRING (path),
+ __LONG_LONG_PAIR (high, low));
+ return result;
}
-
-#else
-/* Use the generic implementation. */
-# include <misc/truncate64.c>
-#endif