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stdio-common: Add __printf_function_invoke

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And __wprintf_function_invoke.  These functions will be used to
to call registered printf specifier callbacks on printf buffers
after vfprintf and vfwprintf have been converted to buffers.  The new
implementation avoids alloca/variable length arrays.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2022-12-19 18:56:54 +01:00
parent 659fe9fdd1
commit c7bf2e99ca
5 changed files with 114 additions and 0 deletions
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22
stdio-common/wprintf_function_invoke.c Normal file
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/* Invoke a printf specifier handler. Wide version.
Copyright (C) 2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <printf.h>
#include <printf_buffer_as_file.h>
#include "printf_buffer-wchar_t.h"
#include "Xprintf_function_invoke.c"