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code.delx.au - pulseaudio/blob - polyp/hashmap.h
739f89477de0736d2be5be39de07466689ea2061
7 This file is part of polypaudio.
9 polypaudio is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published
11 by the Free Software Foundation; either version 2 of the License,
12 or (at your option) any later version.
14 polypaudio is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with polypaudio; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
27 struct pa_hashmap
*pa_hashmap_new(unsigned (*hash_func
) (const void *p
), int (*compare_func
) (const void*a
, const void*b
));
28 void pa_hashmap_free(struct pa_hashmap
*, void (*free_func
)(void *p
, void *userdata
), void *userdata
);
30 int pa_hashmap_put(struct pa_hashmap
*h
, const void *key
, void *value
);
31 void* pa_hashmap_get(struct pa_hashmap
*h
, const void *key
);
33 void* pa_hashmap_remove(struct pa_hashmap
*h
, const void *key
);
35 unsigned pa_hashmap_ncontents(struct pa_hashmap
*h
);
37 /* May be used to iterate through the hashmap. Initially the opaque
38 pointer *state has to be set to NULL. The hashmap may not be
39 modified during iteration. The key of the entry is returned in
40 *key, if key is non-NULL. After the last entry in the hashmap NULL
42 void *pa_hashmap_iterate(struct pa_hashmap
*h
, void **state
, const void**key
);