| 1 | /* BZ #19408 linux personality syscall wrapper test. |
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| 2 | |
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| 3 | Copyright (C) 2015-2022 Free Software Foundation, Inc. |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library; if not, see |
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| 18 | <https://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #include <errno.h> |
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| 21 | #include <sys/personality.h> |
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| 22 | |
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| 23 | static int |
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| 24 | do_test (void) |
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| 25 | { |
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| 26 | int rc = 0; |
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| 27 | unsigned int test_persona = -EINVAL; |
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| 28 | unsigned int saved_persona; |
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| 29 | |
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| 30 | errno = 0xdefaced; |
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| 31 | saved_persona = personality (persona: 0xffffffff); |
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| 32 | |
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| 33 | if (personality (persona: test_persona) != saved_persona |
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| 34 | || personality (persona: 0xffffffff) == -1 |
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| 35 | || personality (persona: PER_LINUX) == -1 |
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| 36 | || personality (persona: 0xffffffff) != PER_LINUX |
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| 37 | || 0xdefaced != errno) |
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| 38 | rc = 1; |
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| 39 | |
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| 40 | (void) personality (persona: saved_persona); |
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| 41 | return rc; |
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| 42 | } |
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| 43 | |
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| 44 | #define TEST_FUNCTION do_test () |
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| 45 | #include "../test-skeleton.c" |
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| 46 | |
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