mirror of
https://github.com/alsa-project/alsa-lib.git
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57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
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typedef enum {
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SND_CONFIG_TYPE_INTEGER,
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SND_CONFIG_TYPE_REAL,
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SND_CONFIG_TYPE_STRING,
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SND_CONFIG_TYPE_COMPOUND,
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} snd_config_type_t;
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typedef struct snd_config snd_config_t;
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struct snd_config {
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char *id;
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snd_config_type_t type;
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union {
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long integer;
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char *string;
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double real;
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struct {
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struct list_head fields;
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int join;
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} compound;
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} u;
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struct list_head list;
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snd_config_t *father;
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};
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int snd_config_load(snd_config_t **config, FILE *fp);
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int snd_config_save(snd_config_t *config, FILE *fp);
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int snd_config_search(snd_config_t *config, char *key, snd_config_t **result);
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int snd_config_add(snd_config_t *config, snd_config_t *leaf);
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int snd_config_delete(snd_config_t *config);
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int snd_config_make(snd_config_t **config, char *key,
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snd_config_type_t type);
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int snd_config_integer_set(snd_config_t *config, long value);
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int snd_config_real_set(snd_config_t *config, double value);
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int snd_config_string_set(snd_config_t *config, char *value);
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int snd_config_integer_get(snd_config_t *config, long *value);
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int snd_config_real_get(snd_config_t *config, double *value);
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int snd_config_string_get(snd_config_t *config, char **value);
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/* One argument: long, double or char* */
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int snd_config_set(snd_config_t *config, ...);
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int snd_config_get(snd_config_t *config, void *);
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typedef struct list_head *snd_config_iterator_t;
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#define snd_config_foreach(iterator, node) \
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assert((node)->type == SND_CONFIG_TYPE_COMPOUND); \
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for (iterator = (node)->u.compound.fields.next; iterator != &(node)->u.compound.fields; iterator = iterator->next)
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#define snd_config_entry(iterator) list_entry(iterator, snd_config_t, list)
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