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1 | /* Copyright (C) 1995, 1996 Tom Lord |
2 | * | |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU Library General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU Library General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Library General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
15 | * the Free Software Foundation, 59 Temple Place - Suite 330, | |
16 | * Boston, MA 02111-1307, USA. | |
17 | */ | |
18 | ||
19 | \f | |
20 | /* | |
21 | * Tom Lord (lord@cygnus.com, lord@gnu.ai.mit.edu) | |
22 | */ | |
23 | \f | |
24 | ||
25 | ||
26 | #include "rxall.h" | |
27 | #include "rxcset.h" | |
28 | /* Utilities for manipulating bitset represntations of characters sets. */ | |
29 | ||
30 | #ifdef __STDC__ | |
31 | rx_Bitset | |
32 | rx_cset (int size) | |
33 | #else | |
34 | rx_Bitset | |
35 | rx_cset (size) | |
36 | int size; | |
37 | #endif | |
38 | { | |
39 | rx_Bitset b; | |
40 | b = (rx_Bitset) malloc (rx_sizeof_bitset (size)); | |
41 | if (b) | |
42 | rx_bitset_null (size, b); | |
43 | return b; | |
44 | } | |
45 | ||
46 | ||
47 | #ifdef __STDC__ | |
48 | rx_Bitset | |
49 | rx_copy_cset (int size, rx_Bitset a) | |
50 | #else | |
51 | rx_Bitset | |
52 | rx_copy_cset (size, a) | |
53 | int size; | |
54 | rx_Bitset a; | |
55 | #endif | |
56 | { | |
57 | rx_Bitset cs; | |
58 | cs = rx_cset (size); | |
59 | ||
60 | if (cs) | |
61 | rx_bitset_union (size, cs, a); | |
62 | ||
63 | return cs; | |
64 | } | |
65 | ||
66 | ||
67 | #ifdef __STDC__ | |
68 | void | |
69 | rx_free_cset (rx_Bitset c) | |
70 | #else | |
71 | void | |
72 | rx_free_cset (c) | |
73 | rx_Bitset c; | |
74 | #endif | |
75 | { | |
76 | if (c) | |
77 | free ((char *)c); | |
78 | } | |
79 |