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1 | /* |
2 | * This file is part of DisOrder |
3 | * Copyright (C) 2004 Richard Kettlewell |
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 | #include <config.h> |
22 | |
23 | #include <string.h> |
24 | |
25 | #include "table.h" |
26 | |
27 | int table_find(const void *table, size_t offset, size_t eltsize, size_t nelts, |
28 | const char *name) { |
29 | int l = 0, r = (int)nelts - 1, c, m; |
30 | const char *k; |
31 | |
32 | while(l <= r) { |
33 | k = *(const char **)((char *)table + offset + eltsize * (m = (l + r) / 2)); |
34 | if(!(c = strcmp(name, k))) |
35 | return m; |
36 | if(c < 0) |
37 | r = m - 1; |
38 | else |
39 | l = m + 1; |
40 | } |
41 | return -1; |
42 | } |
43 | |
44 | /* |
45 | Local Variables: |
46 | c-basic-offset:2 |
47 | comment-column:40 |
48 | End: |
49 | */ |