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41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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typesafe qsort
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Copyright (C) Andrew Tridgell 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TSORT_H
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#define _TSORT_H
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#include <assert.h>
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/*
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a wrapper around qsort() that ensures the comparison function is
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type safe.
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*/
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#ifndef TYPESAFE_QSORT
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#define TYPESAFE_QSORT(base, numel, comparison) \
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do { \
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if (numel > 1) { \
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qsort(base, numel, sizeof((base)[0]), (int (*)(const void *, const void *))comparison); \
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assert(comparison(&((base)[0]), &((base)[1])) <= 0); \
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} \
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} while (0)
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#endif
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#endif
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