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add vol_perc notes, add braces to singleline statements

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parazyd 2016-12-30 12:16:07 +01:00
parent c2808b6d99
commit 62f4016430
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3 changed files with 19 additions and 5 deletions
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10
README.md
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@ -50,6 +50,16 @@ If you use any other status bar or window manager you will have to figure it out
slstatus -o | other_status_bar & slstatus -o | other_status_bar &
### Specific function quirks
- Volume percentage
If there is no `/dev/mixer` on your system and you use ALSA, it means you have to load the OSS compatibility module by issuing:
```
# modprobe snd-pcm-oss
```
## Contributing ## Contributing
Hunt FIXME's in the code or do WTF you want! If it is useful, I will merge. Hunt FIXME's in the code or do WTF you want! If it is useful, I will merge.

2
config.def.h
View file

@ -34,7 +34,7 @@
- uid (uid of current user) [argument: NULL] - uid (uid of current user) [argument: NULL]
- uptime (uptime) [argument: NULL] - uptime (uptime) [argument: NULL]
- username (username of current user) [argument: NULL] - username (username of current user) [argument: NULL]
- vol_perc (oss/alsa volume and mute status in percent) [argument: /dev/mixer] - vol_perc (oss/alsa volume status (see README)) [argument: /dev/mixer]
- wifi_perc (wifi signal in percent) [argument: wifi card interface name] - wifi_perc (wifi signal in percent) [argument: wifi card interface name]
- wifi_essid (wifi essid) [argument: wifi card interface name] */ - wifi_essid (wifi essid) [argument: wifi card interface name] */
static const struct arg args[] = { static const struct arg args[] = {

12
slstatus.c
View file

@ -628,14 +628,18 @@ vol_perc(const char *card)
} }
ioctl(afd, MIXER_READ(SOUND_MIXER_DEVMASK), &devmask); ioctl(afd, MIXER_READ(SOUND_MIXER_DEVMASK), &devmask);
for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) {
if (devmask & (1 << i)) if (devmask & (1 << i)) {
if (!strcmp("vol", vnames[i])) if (!strcmp("vol", vnames[i])) {
ioctl(afd, MIXER_READ(i), &v); ioctl(afd, MIXER_READ(i), &v);
}
}
}
close(afd); close(afd);
if (v == 0) if (v == 0) {
return smprintf("mute"); return smprintf("mute");
}
return smprintf("%d%%", v & 0xff); return smprintf("%d%%", v & 0xff);
} }