From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- sysdeps/unix/sysv/linux/mips/truncate64.c | 76 +++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/mips/truncate64.c (limited to 'sysdeps/unix/sysv/linux/mips/truncate64.c') diff --git a/sysdeps/unix/sysv/linux/mips/truncate64.c b/sysdeps/unix/sysv/linux/mips/truncate64.c new file mode 100644 index 0000000000..e955f18ea3 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/truncate64.c @@ -0,0 +1,76 @@ +/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 + 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 +#include +#include +#include + +#include +#include +#include + +#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 FD refers to 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, 4, CHECK_STRING (path), 0, + __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 +} + +#else +/* Use the generic implementation. */ +# include +#endif -- cgit v1.2.3