1 /*
2  *   libcddb - CDDB Interface Library for xmcd/cda
3  *
4  *	This library implements an interface to access the "classic"
5  *	CDDB1 services.
6  *
7  *   Copyright (C) 1993-2004  Ti Kan
8  *   E-mail: xmcd@amb.org
9  *
10  *   This program is free software; you can redistribute it and/or modify
11  *   it under the terms of the GNU General Public License as published by
12  *   the Free Software Foundation; either version 2 of the License, or
13  *   (at your option) any later version.
14  *
15  *   This program is distributed in the hope that it will be useful,
16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  *   GNU General Public License for more details.
19  *
20  *   You should have received a copy of the GNU General Public License
21  *   along with this program; if not, write to the Free Software
22  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  *
24  */
25 #ifndef lint
26 static char     *_genrelist_c_ident_ = "@(#)genrelist.c	1.10 03/12/12";
27 #endif
28 
29 #include "fcddb.h"
30 
31 
32 /*
33  * CddbGenreList_GetCount
34  *	Return the number of genres in list
35  */
36 CddbResult
CddbGenreList_GetCount(CddbGenreListPtr glistp,long * pval)37 CddbGenreList_GetCount(CddbGenreListPtr glistp, long *pval)
38 {
39 	cddb_genrelist_t	*p = (cddb_genrelist_t *) glistp;
40 	cddb_genre_t		*gp;
41 	long			i;
42 
43 	for (i = 0, gp = p->genres; gp != NULL; i++, gp = gp->next)
44 		;
45 
46 	*pval = i;
47 	return Cddb_OK;
48 }
49 
50 
51 /*
52  * CddbGenreList_GetGenre
53  *	Return a genre in the list
54  */
55 CddbResult
CddbGenreList_GetGenre(CddbGenreListPtr glistp,long item,CddbGenrePtr * pval)56 CddbGenreList_GetGenre(CddbGenreListPtr glistp, long item, CddbGenrePtr *pval)
57 {
58 	cddb_genrelist_t	*p = (cddb_genrelist_t *) glistp;
59 	cddb_genre_t		*gp;
60 	long			i;
61 
62 	for (i = 1, gp = p->genres; gp != NULL; i++, gp = gp->next) {
63 		if (i == item)
64 			break;
65 	}
66 	if (i > item) {
67 		*pval = NULL;
68 		return Cddb_E_INVALIDARG;
69 	}
70 
71 	*pval = (CddbGenrePtr) gp;
72 	return Cddb_OK;
73 }
74 
75 
76