mdw@git.distorted.org.uk Git - disorder/blob - lib/tracksort.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2008 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 #include "common.h"
  21
  22 #include "trackname.h"
  23 #include "mem.h"
  24
  25 /** @brief Compare two @ref entry objects */
  26 static int tracksort_compare(const void *a, const void *b) {
  27   const struct tracksort_data *ea = a, *eb = b;
  28
  29   return compare_tracks(ea->sort, eb->sort,
  30                         ea->display, eb->display,
  31                         ea->track, eb->track);
  32 }
  33
  34 struct tracksort_data *tracksort_init(int ntracks,
  35                                       char **tracks,
  36                                       const char *type) {
  37   struct tracksort_data *td = xcalloc(ntracks, sizeof *td);
  38   for(int n = 0; n < ntracks; ++n) {
  39     td[n].track = tracks[n];
  40     td[n].sort = trackname_transform(type, tracks[n], "sort");
  41     td[n].display = trackname_transform(type, tracks[n], "display");
  42   }
  43   qsort(td, ntracks, sizeof *td, tracksort_compare);
  44   return td;
  45 }
  46
  47 /*
  48 Local Variables:
  49 c-basic-offset:2
  50 comment-column:40
  51 fill-column:79
  52 indent-tabs-mode:nil
  53 End:
  54 */