diff options
author | evgeny <me@ch1p.com> | 2016-07-03 20:37:05 +0300 |
---|---|---|
committer | evgeny <me@ch1p.com> | 2016-07-03 20:37:05 +0300 |
commit | 71a71a2a99d8a9cbb57097927f339418ad7cc727 (patch) | |
tree | e0fec6c8ced2c2ac5cc0d3c6adfffd50fa7002e2 | |
parent | 89e740b2d6878d0039c3a01f93dab5b966660d76 (diff) |
retab
-rw-r--r-- | main.c | 82 |
1 files changed, 41 insertions, 41 deletions
@@ -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() |