44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Copyright (C) 1991, 92, 93, 94, 95, 97, 98 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <hurd.h>
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/* Truncate FILE_NAME to LENGTH bytes. */
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int
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truncate (file_name, length)
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const char *file_name;
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off_t length;
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{
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error_t err;
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file_t file = __file_name_lookup (file_name, O_WRITE, 0);
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if (file == MACH_PORT_NULL)
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return -1;
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err = __file_set_size (file, length);
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__mach_port_deallocate (__mach_task_self (), file);
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if (err)
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return __hurd_fail (err);
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return 0;
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}
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