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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* Copyright (C) 1991-2017 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, see
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<http://www.gnu.org/licenses/>. */
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#include <stdarg.h>
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#include <stdio.h>
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#include "../libio/libioP.h"
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/* Write formatted output to stdout from the format string FORMAT. */
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int
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___printf_chk (int flag, const char *format, ...)
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{
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va_list ap;
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int done;
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_IO_acquire_lock_clear_flags2 (stdout);
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if (flag > 0)
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stdout->_flags2 |= _IO_FLAGS2_FORTIFY;
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va_start (ap, format);
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done = vfprintf (stdout, format, ap);
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va_end (ap);
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if (flag > 0)
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stdout->_flags2 &= ~_IO_FLAGS2_FORTIFY;
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_IO_release_lock (stdout);
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return done;
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}
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ldbl_strong_alias (___printf_chk, __printf_chk)
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