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c9eaa8b9ba
1999-08-10 H.J. Lu <hjl@gnu.org> * stdio-common/vfprintf.c (ORIENT): Check for the old stream. (vfprintf): Likewise. * stdio-common/vfscanf.c (ORIENT): Likewise. * libio/genops.c (__underflow): Likewise. (__uflow): Likewise. * libio/iofputs.c (_IO_fputs): Likewise. * libio/ioftell.c (_IO_ftell): Likewise. * libio/iofwrite.c (_IO_fwrite): Likewise. * libio/ioputs.c (_IO_puts): Likewise. * libio/iosetbuffer.c (_IO_setbuffer): Likewise. * libio/iosetvbuf.c (_IO_setvbuf): Likewise.
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/* Copyright (C) 1993, 1996, 1997, 1998, 1999 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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#include "libioP.h"
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_IO_size_t
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_IO_fwrite (buf, size, count, fp)
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const void *buf;
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_IO_size_t size;
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_IO_size_t count;
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_IO_FILE *fp;
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{
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_IO_size_t request = size * count;
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_IO_size_t written = 0;
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CHECK_FILE (fp, 0);
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/* Many traditional implementations return 0 if size==0 && count > 0,
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but ANSI requires us to return count in this case. */
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if (request == 0)
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return count;
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_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
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_IO_flockfile (fp);
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if (fp->_vtable_offset != 0 || _IO_fwide (fp, -1) == -1)
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written = _IO_sputn (fp, (const char *) buf, request);
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_IO_funlockfile (fp);
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_IO_cleanup_region_end (0);
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if (written == request)
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return count;
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else
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return written / size;
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}
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#ifdef weak_alias
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weak_alias (_IO_fwrite, fwrite)
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# ifndef _IO_MTSAFE_IO
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weak_alias (_IO_fwrite, fwrite_unlocked)
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# endif
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#endif
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