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hurd: Provide truncate64 and ftruncate64.

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* sysdeps/mach/hurd/ftruncate64.c: New file.
	* sysdeps/mach/hurd/truncate64.c: Likewise.
This commit is contained in:
Justus Winter 2017-03-03 21:27:27 +01:00 committed by Samuel Thibault
parent 7eb5c06c35
commit 21d58b2a43
3 changed files with 81 additions and 0 deletions
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ChangeLog
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2017-03-03 Justus Winter <justus@gnupg.org>
* sysdeps/mach/hurd/ftruncate64.c: New file.
* sysdeps/mach/hurd/truncate64.c: Likewise.
2017-03-03 Florian Weimer <fweimer@redhat.com>
* time/tzfile.c (NOID): Do not define.

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sysdeps/mach/hurd/ftruncate64.c Normal file
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/* Copyright (C) 1991-2017 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, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
#include <hurd.h>
#include <hurd/fd.h>
/* Truncate the file referenced by FD to LENGTH bytes. */
int
__ftruncate64 (int fd, off64_t length)
{
error_t err;
if (err = HURD_DPORT_USE (fd, __file_set_size (port, length)))
return __hurd_dfail (fd, err);
return 0;
}
weak_alias (__ftruncate64, ftruncate64)

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sysdeps/mach/hurd/truncate64.c Normal file
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/* Copyright (C) 1991-2017 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, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
#include <hurd.h>
/* Truncate FILE_NAME to LENGTH bytes. */
int
__truncate64 (const char *file_name, off64_t length)
{
error_t err;
file_t file = __file_name_lookup (file_name, O_WRITE, 0);
if (file == MACH_PORT_NULL)
return -1;
err = __file_set_size (file, length);
__mach_port_deallocate (__mach_task_self (), file);
if (err)
return __hurd_fail (err);
return 0;
}
weak_alias (__truncate64, truncate64)