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authorevgeny <me@ch1p.com>2016-07-03 20:37:05 +0300
committerevgeny <me@ch1p.com>2016-07-03 20:37:05 +0300
commit71a71a2a99d8a9cbb57097927f339418ad7cc727 (patch)
treee0fec6c8ced2c2ac5cc0d3c6adfffd50fa7002e2
parent89e740b2d6878d0039c3a01f93dab5b966660d76 (diff)
retab
-rw-r--r--main.c82
1 files changed, 41 insertions, 41 deletions
diff --git a/main.c b/main.c
index 9ef961b..201f59e 100644
--- a/main.c
+++ b/main.c
@@ -32,78 +32,78 @@ int notify(DBusConnection *conn)
int open_ctl(const char *name, snd_ctl_t **ctlp)
{
- snd_ctl_t *ctl;
- int err;
-
- err = snd_ctl_open(&ctl, name, SND_CTL_READONLY);
- if (err < 0) {
- fprintf(stderr, "Cannot open ctl %s\n", name);
- return err;
- }
- err = snd_ctl_subscribe_events(ctl, 1);
- if (err < 0) {
- fprintf(stderr, "Cannot open subscribe events to ctl %s\n", name);
- snd_ctl_close(ctl);
- return err;
- }
- *ctlp = ctl;
- return 0;
+ snd_ctl_t *ctl;
+ int err;
+
+ err = snd_ctl_open(&ctl, name, SND_CTL_READONLY);
+ if (err < 0) {
+ fprintf(stderr, "Cannot open ctl %s\n", name);
+ return err;
+ }
+ err = snd_ctl_subscribe_events(ctl, 1);
+ if (err < 0) {
+ fprintf(stderr, "Cannot open subscribe events to ctl %s\n", name);
+ snd_ctl_close(ctl);
+ return err;
+ }
+ *ctlp = ctl;
+ return 0;
}
int check_event(snd_ctl_t *ctl, DBusConnection *conn)
{
- snd_ctl_event_t *event;
- unsigned int mask;
- int err;
-
- snd_ctl_event_alloca(&event);
- err = snd_ctl_read(ctl, event);
- if (err < 0)
- return err;
-
- if (snd_ctl_event_get_type(event) != SND_CTL_EVENT_ELEM)
- return 0;
-
+ snd_ctl_event_t *event;
+ unsigned int mask;
+ int err;
+
+ snd_ctl_event_alloca(&event);
+ err = snd_ctl_read(ctl, event);
+ if (err < 0)
+ return err;
+
+ if (snd_ctl_event_get_type(event) != SND_CTL_EVENT_ELEM)
+ return 0;
+
mask = snd_ctl_event_elem_get_mask(event);
if (!(mask & SND_CTL_EVENT_MASK_VALUE))
return 0;
notify(conn);
- return 0;
+ return 0;
}
-#define MAX_CARDS 256
+#define MAX_CARDS 256
int monitor(const char *name, DBusConnection *conn) {
snd_ctl_t *ctl;
- int err = 0;
+ int err = 0;
err = open_ctl(name, &ctl);
if (err < 0)
goto error;
while (1) {
- struct pollfd fd;
+ struct pollfd fd;
- snd_ctl_poll_descriptors(ctl, &fd, 1);
+ snd_ctl_poll_descriptors(ctl, &fd, 1);
- err = poll(&fd, 1, -1);
- if (err <= 0) {
- err = 0;
- break;
- }
+ err = poll(&fd, 1, -1);
+ if (err <= 0) {
+ err = 0;
+ break;
+ }
unsigned short revents;
snd_ctl_poll_descriptors_revents(ctl, &fd, 1,
&revents);
if (revents & POLLIN)
check_event(ctl, conn);
- }
+ }
error:
- snd_ctl_close(ctl);
- return err;
+ snd_ctl_close(ctl);
+ return err;
}
void usage()