#!/bin/bash

# Copyright (C) 2015-2018 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

# <http://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