63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/***
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This file is part of systemd
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Copyright 2013 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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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 License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef const char* (*lookup_t)(int);
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typedef int (*reverse_t)(const char*);
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static inline void _test_table(const char *name,
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lookup_t lookup,
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reverse_t reverse,
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int size,
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bool sparse) {
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int i, boring = 0;
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for (i = -1; i < size + 1; i++) {
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const char* val = lookup(i);
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int rev;
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if (val) {
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rev = reverse(val);
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boring = 0;
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} else {
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rev = reverse("--no-such--value----");
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boring += i >= 0;
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}
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if (boring < 1 || i == size)
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printf("%s: %d → %s → %d\n", name, i, val, rev);
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else if (boring == 1)
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printf("%*s ...\n", (int) strlen(name), "");
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assert_se(!(i >= 0 && i < size ?
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sparse ? rev != i && rev != -1 : val == NULL || rev != i :
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val != NULL || rev != -1));
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}
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}
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#define test_table(lower, upper) \
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_test_table(STRINGIFY(lower), lower##_to_string, lower##_from_string, _##upper##_MAX, false)
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#define test_table_sparse(lower, upper) \
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_test_table(STRINGIFY(lower), lower##_to_string, lower##_from_string, _##upper##_MAX, true)
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