add vol_perc notes, add braces to singleline statements

[slstatus.git] / slstatus.c

diff --git a/slstatus.c b/slstatus.c
index d580ac0..ff81e0c 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -628,14 +628,18 @@ vol_perc(const char *card)
        }
 
        ioctl(afd, MIXER_READ(SOUND_MIXER_DEVMASK), &devmask);
-       for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++)
-               if (devmask & (1 << i))
-                       if (!strcmp("vol", vnames[i]))
+       for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) {
+               if (devmask & (1 << i)) {
+                       if (!strcmp("vol", vnames[i])) {
                                ioctl(afd, MIXER_READ(i), &v);
+                       }
+               }
+       }
 
        close(afd);
-       if (v == 0)
+       if (v == 0) {
                return smprintf("mute");
+       }
        return smprintf("%d%%", v & 0xff);
 }