glibc/sysdeps/unix/sysv/linux/ftruncate64.c
Ulrich Drepper 313fed0111 Update.
2000-01-12  Andreas Jaeger  <aj@suse.de>

	* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_32BITUIDS):
	Added for Linux 2.3.39+.

	* sysdeps/unix/sysv/linux/getresgid.c: Support 32bit UIDs and
	32bit GIDs.
	* sysdeps/unix/sysv/linux/getresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setegid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setfsgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setfsuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setregid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setuid.c: Likewise.
	* sysdeps/unix/sysv/linux/setegid.c: Likewise.

	* sysdeps/unix/sysv/linux/arm/chown.c: New file.
	* sysdeps/unix/sysv/linux/arm/fchown.c: New file.
	* sysdeps/unix/sysv/linux/arm/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/arm/getegid.c: New file.
	* sysdeps/unix/sysv/linux/arm/getuid.c: New file.
	* sysdeps/unix/sysv/linux/arm/getgid.c: New file.
	* sysdeps/unix/sysv/linux/arm/lchown.c: New file.
	* sysdeps/unix/sysv/linux/i386/fchown.c: New file.
	* sysdeps/unix/sysv/linux/i386/getegid.c: New file.
	* sysdeps/unix/sysv/linux/i386/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/getgid.c: New file.
	* sysdeps/unix/sysv/linux/i386/getuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/lchown.c: New file.
	* sysdeps/unix/sysv/linux/m68k/chown.c: New file.
	* sysdeps/unix/sysv/linux/m68k/fchown.c: New file.
	* sysdeps/unix/sysv/linux/m68k/getegid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/getgid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/getuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/lchown.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/chown.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/fchown.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getegid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getgid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/lchown.c: New file.
	Based on a patch by Chris Wing <wingc@engin.umich.edu>.

2000-01-14  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/sparc/sys/procfs.h: New file.

2000-01-13  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/generic/backtrace.c: Include signal.h which
	sigcontextinfo.h headers are used to expect.
	* sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h
	(register_dump): Fix a typo in the printout.
	Avoid using reg_window, so that asm/ptrace.h is not necessary.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
	(ADVANCE_STACK_FRAME): Likewise.

	* stdlib/longlong.h: Avoid using __sparc_v9__ ifdefs.
	* sysdeps/sparc/sparc32/bits/wordsize.h: Likewise.
	* sysdeps/sparc/sparc64/bits/wordsize.h: Likewise.

	* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Include bits/wordsize.h
	to make it clear this file depends on __WORDSIZE.
	* sysdeps/unix/sysv/linux/ftruncate64.c (__have_no_truncate64):
	Renamed from have_no_truncate64.
	* sysdeps/unix/sysv/linux/truncate64.c (__have_no_truncate64):
	Likewise.
2000-01-17 05:24:52 +00:00

79 lines
2.2 KiB
C

/* Copyright (C) 1997, 1998, 1999, 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/types.h>
#include <errno.h>
#include <unistd.h>
#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
extern int __syscall_ftruncate64 (int fd, int high_length, int low_length);
/* Truncate the file FD refers to to LENGTH bytes. */
int
ftruncate64 (fd, length)
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, low, high);
#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
}
#else
/* Use the generic implementation. */
# include <sysdeps/generic/ftruncate64.c>
#endif