| #!/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 |