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Changed data type of alsa-lib handles from 'void *' to the specific type for

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the handle in use. This should be more type-safe as the compiler will perform
checking on type now.
This commit is contained in:
Frank van de Pol 1999-06-02 00:40:30 +00:00
parent 9679707a00
commit 19811bb9b4
15 changed files with 417 additions and 404 deletions
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30
include/mixer.h
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@ -17,27 +17,29 @@ typedef struct snd_mixer_callbacks {
extern "C" {
#endif
int snd_mixer_open(void **handle, int card, int device);
int snd_mixer_close(void *handle);
int snd_mixer_file_descriptor(void *handle);
int snd_mixer_info(void *handle, snd_mixer_info_t * info);
int snd_mixer_elements(void *handle, snd_mixer_elements_t * elements);
int snd_mixer_routes(void *handle, snd_mixer_routes_t * routes);
int snd_mixer_groups(void *handle, snd_mixer_groups_t * groups);
int snd_mixer_group(void *handle, snd_mixer_group_t * group);
int snd_mixer_element_info(void *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_read(void *handle, snd_mixer_element_t * element);
int snd_mixer_element_write(void *handle, snd_mixer_element_t * element);
int snd_mixer_read(void *handle, snd_mixer_callbacks_t * callbacks);
typedef struct snd_mixer snd_mixer_t;
int snd_mixer_open(snd_mixer_t **handle, int card, int device);
int snd_mixer_close(snd_mixer_t *handle);
int snd_mixer_file_descriptor(snd_mixer_t *handle);
int snd_mixer_info(snd_mixer_t *handle, snd_mixer_info_t * info);
int snd_mixer_elements(snd_mixer_t *handle, snd_mixer_elements_t * elements);
int snd_mixer_routes(snd_mixer_t *handle, snd_mixer_routes_t * routes);
int snd_mixer_groups(snd_mixer_t *handle, snd_mixer_groups_t * groups);
int snd_mixer_group(snd_mixer_t *handle, snd_mixer_group_t * group);
int snd_mixer_element_info(snd_mixer_t *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_read(snd_mixer_t *handle, snd_mixer_element_t * element);
int snd_mixer_element_write(snd_mixer_t *handle, snd_mixer_element_t * element);
int snd_mixer_read(snd_mixer_t *handle, snd_mixer_callbacks_t * callbacks);
void snd_mixer_set_bit(unsigned int *bitmap, int bit, int val);
int snd_mixer_get_bit(unsigned int *bitmap, int bit);
int snd_mixer_element_has_info(snd_mixer_eid_t *eid);
int snd_mixer_element_info_build(void *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_info_build(snd_mixer_t *handle, snd_mixer_element_info_t * info);
int snd_mixer_element_info_free(snd_mixer_element_info_t * info);
int snd_mixer_element_has_control(snd_mixer_eid_t *eid);
int snd_mixer_element_build(void *handle, snd_mixer_element_t * element);
int snd_mixer_element_build(snd_mixer_t *handle, snd_mixer_element_t * element);
int snd_mixer_element_free(snd_mixer_element_t * element);
#ifdef __cplusplus