mirror of git://sourceware.org/git/glibc.git
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/* Copyright (C) 1993,1997-1999,2002,2003,2004 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link the code in this file with
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files compiled with a GNU compiler to produce an executable,
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that does not cause the resulting executable to be covered by
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the GNU Lesser General Public License. This exception does not
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however invalidate any other reasons why the executable file
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might be covered by the GNU Lesser General Public License.
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This exception applies to code released by its copyright holders
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in files containing the exception. */
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#include <libioP.h>
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_IO_off64_t
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_IO_seekpos_unlocked (fp, pos, mode)
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_IO_FILE *fp;
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_IO_off64_t pos;
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int mode;
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{
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/* If we have a backup buffer, get rid of it, since the __seekoff
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callback may not know to do the right thing about it.
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This may be over-kill, but it'll do for now. TODO */
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if (_IO_fwide (fp, 0) <= 0)
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{
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if (_IO_have_backup (fp))
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INTUSE(_IO_free_backup_area) (fp);
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}
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else
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{
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if (_IO_have_wbackup (fp))
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INTUSE(_IO_free_wbackup_area) (fp);
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}
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return _IO_SEEKOFF (fp, pos, 0, mode);
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}
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_IO_off64_t
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_IO_seekpos (fp, pos, mode)
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_IO_FILE *fp;
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_IO_off64_t pos;
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int mode;
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{
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_IO_off64_t retval;
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_IO_acquire_lock (fp);
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retval = _IO_seekpos_unlocked (fp, pos, mode);
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_IO_release_lock (fp);
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return retval;
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}
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