1997-08-20 05:53:21 +02:00
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/* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
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This file is part of the GNU IO Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2, or (at
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your option) any later version.
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This library is distributed in the hope that it will be useful, but
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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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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does
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not cause the resulting executable to be covered by the GNU General
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Public License. This exception does not however invalidate any
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other reasons why the executable file might be covered by the GNU
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General Public License. */
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Sat Nov 18 16:46:01 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>
* libio/Makefile, libio/cleanup.c, libio/clearerr.c, libio/feof.c,
libio/ferror.c, libio/fgetc.c, libio/filedoalloc.c, libio/fileno.c,
libio/fileops.c, libio/fputc.c, libio/freopen.c, libio/fseek.c,
libio/genops.c, libio/getc.c, libio/getchar.c, libio/iofclose.c,
libio/iofdopen.c, libio/iofflush.c, libio/iofgetpos.c, libio/iofgets.c,
libio/iofopen.c, libio/iofprintf.c, libio/iofputs.c, libio/iofread.c,
libio/iofscanf.c, libio/iofsetpos.c, libio/ioftell.c, libio/iofwrite.c,
libio/iogetdelim.c, libio/iogetline.c, libio/iogets.c, libio/iolibio.h,
libio/iopadn.c, libio/ioprims.c, libio/ioputs.c, libio/ioseekoff.c,
libio/ioseekpos.c, libio/iosetbuffer.c, libio/iosetvbuf.c,
libio/iosprintf.c, libio/ioungetc.c, libio/iovsprintf.c,
libio/iovsscanf.c, libio/libio.h, libio/libioP.h, libio/putc.c,
libio/putchar.c, libio/rewind.c, libio/setbuf.c, libio/setlinebuf.c,
libio/stdfiles.c, libio/stdio.c, libio/stdio.h, libio/strfile.h,
libio/strops.c, libio/vasprintf.c, libio/vscanf.c, libio/vsnprintf.c:
New files. Slightly modified version from Linux libc.
* libio/memstream.c, libio/vdprintf.c: New files for functions not
(yet) part of GNU libio.
* libio/iofopncook.c: Implementation of `fopencookie', mainly written
by Per Bothner.
* stdio-common/getline.c: Adapted to libio.
* stdio-common/snprintf.c: Adapted to libio.
* stdio-common/vfprintf.c: Adapted to libio.
* stdio-common/vfscanf.c: Adapted to libio.
* sysdeps/posix/tempname.c: Adapted to libio.
1995-11-20 04:48:11 +01:00
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#include <libioP.h>
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_IO_pos_t
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1997-08-20 05:53:21 +02:00
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_IO_seekoff (fp, offset, dir, mode)
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_IO_FILE *fp;
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_IO_off_t offset;
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int dir;
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int mode;
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Sat Nov 18 16:46:01 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>
* libio/Makefile, libio/cleanup.c, libio/clearerr.c, libio/feof.c,
libio/ferror.c, libio/fgetc.c, libio/filedoalloc.c, libio/fileno.c,
libio/fileops.c, libio/fputc.c, libio/freopen.c, libio/fseek.c,
libio/genops.c, libio/getc.c, libio/getchar.c, libio/iofclose.c,
libio/iofdopen.c, libio/iofflush.c, libio/iofgetpos.c, libio/iofgets.c,
libio/iofopen.c, libio/iofprintf.c, libio/iofputs.c, libio/iofread.c,
libio/iofscanf.c, libio/iofsetpos.c, libio/ioftell.c, libio/iofwrite.c,
libio/iogetdelim.c, libio/iogetline.c, libio/iogets.c, libio/iolibio.h,
libio/iopadn.c, libio/ioprims.c, libio/ioputs.c, libio/ioseekoff.c,
libio/ioseekpos.c, libio/iosetbuffer.c, libio/iosetvbuf.c,
libio/iosprintf.c, libio/ioungetc.c, libio/iovsprintf.c,
libio/iovsscanf.c, libio/libio.h, libio/libioP.h, libio/putc.c,
libio/putchar.c, libio/rewind.c, libio/setbuf.c, libio/setlinebuf.c,
libio/stdfiles.c, libio/stdio.c, libio/stdio.h, libio/strfile.h,
libio/strops.c, libio/vasprintf.c, libio/vscanf.c, libio/vsnprintf.c:
New files. Slightly modified version from Linux libc.
* libio/memstream.c, libio/vdprintf.c: New files for functions not
(yet) part of GNU libio.
* libio/iofopncook.c: Implementation of `fopencookie', mainly written
by Per Bothner.
* stdio-common/getline.c: Adapted to libio.
* stdio-common/snprintf.c: Adapted to libio.
* stdio-common/vfprintf.c: Adapted to libio.
* stdio-common/vfscanf.c: Adapted to libio.
* sysdeps/posix/tempname.c: Adapted to libio.
1995-11-20 04:48:11 +01:00
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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_have_backup (fp))
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{
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if (dir == _IO_seek_cur && _IO_in_backup (fp))
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offset -= fp->_IO_read_end - fp->_IO_read_ptr;
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_IO_free_backup_area (fp);
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}
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return _IO_SEEKOFF (fp, offset, dir, mode);
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}
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