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616915dd | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
77d37419 | 3 | ** Copyright (C) 1994-2002 University of Virginia, |
616915dd | 4 | ** Massachusetts Institute of Technology |
5 | ** | |
6 | ** This program is free software; you can redistribute it and/or modify it | |
7 | ** under the terms of the GNU General Public License as published by the | |
8 | ** Free Software Foundation; either version 2 of the License, or (at your | |
9 | ** option) any later version. | |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, but | |
12 | ** WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ** General Public License for more details. | |
15 | ** | |
16 | ** The GNU General Public License is available from http://www.gnu.org/ or | |
17 | ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | ** MA 02111-1307, USA. | |
19 | ** | |
155af98d | 20 | ** For information on splint: info@splint.org |
21 | ** To report a bug: splint-bug@splint.org | |
11db3170 | 22 | ** For more information: http://www.splint.org |
616915dd | 23 | */ |
24 | /* | |
25 | ** sRefSetList.c | |
26 | ** | |
27 | ** based on list_template.c | |
28 | ** | |
29 | ** where T has T_equal (or change this) and T_unparse | |
30 | */ | |
31 | ||
1b8ae690 | 32 | # include "splintMacros.nf" |
616915dd | 33 | # include "basic.h" |
34 | ||
35 | static /*@notnull@*/ /*@only@*/ sRefSetList | |
36 | sRefSetList_newEmpty (void) | |
37 | { | |
38 | sRefSetList s = (sRefSetList) dmalloc (sizeof (*s)); | |
39 | ||
40 | s->nelements = 0; | |
41 | s->nspace = sRefSetListBASESIZE; | |
42 | s->elements = (sRefSet *) dmalloc (sizeof (*s->elements) * sRefSetListBASESIZE); | |
43 | ||
44 | return (s); | |
45 | } | |
46 | ||
47 | static void | |
48 | sRefSetList_grow (/*@notnull@*/ sRefSetList s) | |
49 | { | |
50 | int i; | |
51 | sRefSet *newelements; | |
52 | ||
53 | s->nspace += sRefSetListBASESIZE; | |
54 | ||
55 | newelements = (sRefSet *) dmalloc (sizeof (*newelements) | |
56 | * (s->nelements + s->nspace)); | |
57 | ||
58 | for (i = 0; i < s->nelements; i++) | |
59 | { | |
60 | newelements[i] = s->elements[i]; | |
61 | } | |
62 | ||
63 | sfree (s->elements); | |
64 | s->elements = newelements; | |
65 | } | |
66 | ||
67 | sRefSetList sRefSetList_add (sRefSetList s, /*@dependent@*/ sRefSet el) | |
68 | { | |
69 | if (sRefSetList_isUndefined (s)) | |
70 | { | |
71 | s = sRefSetList_newEmpty (); | |
72 | } | |
73 | ||
74 | if (s->nspace <= 0) | |
75 | { | |
76 | sRefSetList_grow (s); | |
77 | } | |
78 | ||
79 | s->nspace--; | |
80 | s->elements[s->nelements] = el; | |
81 | s->nelements++; | |
82 | ||
83 | return s; | |
84 | } | |
85 | ||
86 | void | |
87 | sRefSetList_clear (sRefSetList s) | |
88 | { | |
89 | if (sRefSetList_isDefined (s)) | |
90 | { | |
91 | s->nspace += s->nelements; | |
92 | s->nelements = 0; | |
93 | } | |
94 | } | |
95 | ||
96 | void | |
97 | sRefSetList_free (sRefSetList s) | |
98 | { | |
99 | if (sRefSetList_isDefined (s)) | |
100 | { | |
101 | sfree (s->elements); | |
102 | sfree (s); | |
103 | } | |
104 | } |