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#!/bin/bash
# Copyright (C) 2015-2020 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/>.
# To test BZ #18872, we need a printf() with 10K arguments.
# Such a printf could be generated with non-trivial macro
# application, but it's simpler to generate the test source
# via this script.
n_args=10000
cat <<'EOF'
#include <stdio.h>
#include <mcheck.h>
/*
Compile do_test without optimization: GCC 4.9/5.0/6.0 takes a long time
to build this source. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67396 */
__attribute__ ((optimize ("-O0")))
int do_test (void)
{
mtrace ();
printf (
EOF
for ((j = 0; j < $n_args / 10; j++)); do
for ((k = 0; k < 10; k++)); do
printf '"%%%d$s" ' $((10 * $j + $k + 1))
done
printf "\n"
done
printf '"%%%d$s",\n' $(($n_args + 1))
for ((j = 0; j < $n_args / 10; j++)); do
for ((k = 0; k < 10; k++)); do
printf '"a", '
done
printf " /* %4d */\n" $((10 * $j + $k))
done
printf '"\\n");'
cat <<'EOF'
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
EOF
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