chiark / gitweb /
Source code reorganization:
[disorder] / lib / table.h
CommitLineData
460b9539 1/*
2 * This file is part of DisOrder
5aff007d 3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
460b9539 4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
20
21#ifndef TABLE_H
22#define TABLE_H
23
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RK
24#include <stddef.h>
25
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RK
26#define TABLE_FIND(TABLE, FIELD, NAME) \
27 table_find((void *)TABLE, \
28 offsetof(typeof((TABLE)[0]), FIELD), \
29 sizeof ((TABLE)[0]), \
30 sizeof TABLE / sizeof ((TABLE)[0]), \
460b9539 31 NAME)
ba937f01 32/* Search TABLE[] for an element where TABLE[N].FIELD matches NAME
460b9539 33 * Returns the index N on success or -1 if not found
34 * The table must be lexically sorted on FIELD
35 */
36
37int table_find(const void *table, size_t offset, size_t eltsize, size_t nelts,
38 const char *name);
39
40#endif /* TABLE_H */
41
42/*
43Local Variables:
44c-basic-offset:2
45comment-column:40
46End:
47*/