Commit | Line | Data |
---|---|---|
2fadbbc6 RK |
1 | /* |
2 | * This file is part of DisOrder | |
3 | * Copyright (C) 2008 Richard Kettlewell | |
4 | * | |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
2fadbbc6 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
2fadbbc6 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
2fadbbc6 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
2fadbbc6 | 17 | */ |
132a5a4a RK |
18 | /** @file lib/tracksort.c |
19 | * @brief Track ordering | |
20 | */ | |
2fadbbc6 RK |
21 | #include "common.h" |
22 | ||
23 | #include "trackname.h" | |
24 | #include "mem.h" | |
25 | ||
26 | /** @brief Compare two @ref entry objects */ | |
27 | static int tracksort_compare(const void *a, const void *b) { | |
28 | const struct tracksort_data *ea = a, *eb = b; | |
29 | ||
30 | return compare_tracks(ea->sort, eb->sort, | |
31 | ea->display, eb->display, | |
32 | ea->track, eb->track); | |
33 | } | |
34 | ||
d53ef367 RK |
35 | /** @brief Sort tracks |
36 | * @param ntracks Number of tracks to sort | |
37 | * @param tracks List of tracks | |
38 | * @param type Comparison type | |
39 | * @return Sorted track data | |
40 | * | |
41 | * Tracks are compared using compare_tracks(), with the sort key and display | |
42 | * string set according to @p type, which should be "track" if the tracks are | |
43 | * really tracks and "dir" if they are directories. | |
44 | */ | |
2fadbbc6 RK |
45 | struct tracksort_data *tracksort_init(int ntracks, |
46 | char **tracks, | |
47 | const char *type) { | |
48 | struct tracksort_data *td = xcalloc(ntracks, sizeof *td); | |
49 | for(int n = 0; n < ntracks; ++n) { | |
50 | td[n].track = tracks[n]; | |
51 | td[n].sort = trackname_transform(type, tracks[n], "sort"); | |
52 | td[n].display = trackname_transform(type, tracks[n], "display"); | |
53 | } | |
54 | qsort(td, ntracks, sizeof *td, tracksort_compare); | |
55 | return td; | |
56 | } | |
57 | ||
58 | /* | |
59 | Local Variables: | |
60 | c-basic-offset:2 | |
61 | comment-column:40 | |
62 | fill-column:79 | |
63 | indent-tabs-mode:nil | |
64 | End: | |
65 | */ |