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1 | /* |
2 | * This file is part of DisOrder. |
3 | * Copyright (C) 2007 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 | /** @file lib/queue-rights.c |
21 | * @brief Various rights-checking operations |
22 | */ |
23 | |
24 | #include <config.h> |
25 | #include "types.h" |
26 | |
27 | #include <string.h> |
28 | |
29 | #include "queue.h" |
30 | #include "rights.h" |
31 | |
32 | /** @brief Test for scratchability |
33 | * @param rights User rights |
34 | * @param who Username |
35 | * @param q Queue entry or NULL |
36 | * @return non-0 if scratchable, else 0 |
37 | */ |
38 | int right_scratchable(rights_type rights, const char *who, |
39 | const struct queue_entry *q) { |
40 | rights_type r; |
41 | |
42 | if(!q) |
43 | return 0; |
44 | if(q->submitter) |
45 | if(!strcmp(q->submitter, who)) |
46 | r = RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_ANY; |
47 | else |
48 | r = RIGHT_SCRATCH_ANY; |
49 | else |
50 | r = RIGHT_SCRATCH_RANDOM|RIGHT_SCRATCH_ANY; |
51 | return !!(rights & r); |
52 | } |
53 | |
54 | /** @brief Test for movability |
55 | * @param rights User rights |
56 | * @param who Username |
57 | * @param q Queue entry or NULL |
58 | * @return non-0 if movable, else 0 |
59 | */ |
60 | int right_movable(rights_type rights, const char *who, |
61 | const struct queue_entry *q) { |
62 | rights_type r; |
63 | |
64 | if(!q) |
65 | return 0; |
66 | if(q->submitter) |
67 | if(!strcmp(q->submitter, who)) |
68 | r = RIGHT_MOVE_MINE|RIGHT_MOVE_ANY; |
69 | else |
70 | r = RIGHT_MOVE_ANY; |
71 | else |
72 | r = RIGHT_MOVE_RANDOM|RIGHT_MOVE_ANY; |
73 | return !!(rights & r); |
74 | } |
75 | |
76 | /** @brief Test for removability |
77 | * @param rights User rights |
78 | * @param who Username |
79 | * @param q Queue entry or NULL |
80 | * @return non-0 if removable, else 0 |
81 | */ |
82 | int right_removable(rights_type rights, const char *who, |
83 | const struct queue_entry *q) { |
84 | rights_type r; |
85 | |
86 | if(!q) |
87 | return 0; |
88 | if(q->submitter) |
89 | if(!strcmp(q->submitter, who)) |
90 | r = RIGHT_REMOVE_MINE|RIGHT_REMOVE_ANY; |
91 | else |
92 | r = RIGHT_REMOVE_ANY; |
93 | else |
94 | r = RIGHT_REMOVE_RANDOM|RIGHT_REMOVE_ANY; |
95 | return !!(rights & r); |
96 | } |
97 | |
98 | /* |
99 | Local Variables: |
100 | c-basic-offset:2 |
101 | comment-column:40 |
102 | fill-column:79 |
103 | indent-tabs-mode:nil |
104 | End: |
105 | */ |