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560b0446 PP |
1 | #!/bin/bash |
2 | # Copyright (C) 2015 Free Software Foundation, Inc. | |
3 | # This file is part of the GNU C Library. | |
4 | ||
5 | # The GNU C Library is free software; you can redistribute it and/or | |
6 | # modify it under the terms of the GNU Lesser General Public | |
7 | # License as published by the Free Software Foundation; either | |
8 | # version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | # The GNU C Library is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | # Lesser General Public License for more details. | |
14 | ||
15 | # You should have received a copy of the GNU Lesser General Public | |
16 | # License along with the GNU C Library; if not, see | |
17 | # <http://www.gnu.org/licenses/>. | |
18 | ||
19 | # To test BZ #18872, we need a printf() with 10K arguments. | |
20 | # Such a printf could be generated with non-trivial macro | |
21 | # application, but it's simpler to generate the test source | |
22 | # via this script. | |
23 | ||
24 | n_args=10000 | |
25 | ||
26 | cat <<'EOF' | |
27 | #include <stdio.h> | |
28 | #include <mcheck.h> | |
29 | ||
30 | /* | |
31 | Compile do_test without optimization: GCC 4.9/5.0/6.0 takes a long time | |
32 | to build this source. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67396 */ | |
560b0446 | 33 | |
ab382c88 | 34 | __attribute__ ((optimize ("-O0"))) |
560b0446 PP |
35 | int do_test (void) |
36 | { | |
37 | mtrace (); | |
38 | printf ( | |
39 | EOF | |
40 | ||
41 | for ((j = 0; j < $n_args / 10; j++)); do | |
42 | for ((k = 0; k < 10; k++)); do | |
43 | printf '"%%%d$s" ' $((10 * $j + $k + 1)) | |
44 | done | |
45 | printf "\n" | |
46 | done | |
47 | ||
48 | printf '"%%%d$s",\n' $(($n_args + 1)) | |
49 | ||
50 | for ((j = 0; j < $n_args / 10; j++)); do | |
51 | for ((k = 0; k < 10; k++)); do | |
52 | printf '"a", ' | |
53 | done | |
54 | printf " /* %4d */\n" $((10 * $j + $k)) | |
55 | done | |
56 | ||
57 | printf '"\\n");' | |
58 | ||
59 | ||
60 | cat <<'EOF' | |
61 | ||
62 | return 0; | |
63 | } | |
560b0446 PP |
64 | |
65 | #define TEST_FUNCTION do_test () | |
66 | #include "../test-skeleton.c" | |
67 | ||
68 | EOF |