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