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8d26bed1eb
clang generates internal calls for some _chk symbol, so add internal aliases for them, and stub some with rtld-stubbed-symbols to avoid ld.so linker issues. Reviewed-by: Sam James <sam@gentoo.org>
33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
/* Copyright (C) 1991-2025 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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<https://www.gnu.org/licenses/>. */
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#include <libio/libioP.h>
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/* Write formatted output to FP from the format string FORMAT. */
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int
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___vfprintf_chk (FILE *fp, int flag, const char *format, va_list ap)
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{
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/* For flag > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
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can only come from read-only format strings. */
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unsigned int mode = (flag > 0) ? PRINTF_FORTIFY : 0;
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return __vfprintf_internal (fp, format, ap, mode);
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}
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ldbl_strong_alias (___vfprintf_chk, __vfprintf_chk)
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ldbl_hidden_def (___vfprintf_chk, __vfprintf_chk)
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