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47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
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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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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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int i;
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for (i = 0; i < size; i++) {
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const char* val = lookup(i);
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int rev = -1;
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if (val)
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rev = reverse(val);
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printf("%s: %d → %s → %d\n", name, i, val, rev);
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if (!val || rev != i)
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exit(EXIT_FAILURE);
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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)
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