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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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50
src/timer/timer.c
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@ -31,11 +31,11 @@
#define SND_FILE_TIMER "/dev/snd/timer"
#define SND_TIMER_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 0 )
typedef struct {
struct snd_timer {
int fd;
} snd_timer_t;
};
int snd_timer_open(void **handle)
int snd_timer_open(snd_timer_t **handle)
{
int fd, ver;
snd_timer_t *tmr;
@ -65,12 +65,12 @@ int snd_timer_open(void **handle)
return 0;
}
int snd_timer_close(void *handle)
int snd_timer_close(snd_timer_t *handle)
{
snd_timer_t *tmr;
int res;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
res = close(tmr->fd) < 0 ? -errno : 0;
@ -78,21 +78,21 @@ int snd_timer_close(void *handle)
return res;
}
int snd_timer_file_descriptor(void *handle)
int snd_timer_file_descriptor(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
return tmr->fd;
}
int snd_timer_general_info(void *handle, snd_timer_general_info_t * info)
int snd_timer_general_info(snd_timer_t *handle, snd_timer_general_info_t * info)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !info)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_GINFO, info) < 0)
@ -100,11 +100,11 @@ int snd_timer_general_info(void *handle, snd_timer_general_info_t * info)
return 0;
}
int snd_timer_select(void *handle, snd_timer_select_t * tselect)
int snd_timer_select(snd_timer_t *handle, snd_timer_select_t * tselect)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !tselect)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_SELECT, tselect) < 0)
@ -112,11 +112,11 @@ int snd_timer_select(void *handle, snd_timer_select_t * tselect)
return 0;
}
int snd_timer_info(void *handle, snd_timer_info_t * info)
int snd_timer_info(snd_timer_t *handle, snd_timer_info_t * info)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !info)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_INFO, info) < 0)
@ -124,11 +124,11 @@ int snd_timer_info(void *handle, snd_timer_info_t * info)
return 0;
}
int snd_timer_params(void *handle, snd_timer_params_t * params)
int snd_timer_params(snd_timer_t *handle, snd_timer_params_t * params)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !params)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_PARAMS, params) < 0)
@ -136,11 +136,11 @@ int snd_timer_params(void *handle, snd_timer_params_t * params)
return 0;
}
int snd_timer_status(void *handle, snd_timer_status_t * status)
int snd_timer_status(snd_timer_t *handle, snd_timer_status_t * status)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || !status)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_STATUS, status) < 0)
@ -148,11 +148,11 @@ int snd_timer_status(void *handle, snd_timer_status_t * status)
return 0;
}
int snd_timer_start(void *handle)
int snd_timer_start(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_START) < 0)
@ -160,11 +160,11 @@ int snd_timer_start(void *handle)
return 0;
}
int snd_timer_stop(void *handle)
int snd_timer_stop(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_STOP) < 0)
@ -172,11 +172,11 @@ int snd_timer_stop(void *handle)
return 0;
}
int snd_timer_continue(void *handle)
int snd_timer_continue(snd_timer_t *handle)
{
snd_timer_t *tmr;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr)
return -EINVAL;
if (ioctl(tmr->fd, SND_TIMER_IOCTL_CONTINUE) < 0)
@ -184,12 +184,12 @@ int snd_timer_continue(void *handle)
return 0;
}
ssize_t snd_timer_read(void *handle, void *buffer, size_t size)
ssize_t snd_timer_read(snd_timer_t *handle, void *buffer, size_t size)
{
snd_timer_t *tmr;
ssize_t result;
tmr = (snd_timer_t *) handle;
tmr = handle;
if (!tmr || (!buffer && size > 0) || size < 0)
return -EINVAL;
result = read(tmr->fd, buffer, size);