Merge pull request #14 from R41z/master

cpu_perc() workaround

diff --combined slstatus.c
index 55bcdf8,0906b9d..76f0518
--- 1/slstatus.c
--- 2/slstatus.c
+++ b/slstatus.c
@@@ -37,6 -37,8 +37,8 @@@ struct arg 
        const char *args;
  };
  
+ static unsigned short int delay;
+ 
  static char *smprintf(const char *, ...);
  static char *battery_perc(const char *);
  static char *cpu_perc(void);
@@@ -126,7 -128,7 +128,7 @@@ battery_perc(const char *battery
  
  static char *
  cpu_perc(void)
- { /* FIXME: ugly function, would be better without sleep(), see below */
+ {
        int perc;
        long double a[4], b[4];
        FILE *fp = fopen("/proc/stat","r");
@@@ -139,7 -141,8 +141,8 @@@
        fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
        fclose(fp);
  
-       sleep(1);
+       delay = (UPDATE_INTERVAL - (UPDATE_INTERVAL - 1));
+       sleep(delay);
  
        fp = fopen("/proc/stat","r");
        if (fp == NULL) {
@@@ -470,24 -473,24 +473,24 @@@ uid(void
  
  static char * 
  vol_perc(const char *snd_card)
- { /* thanks to botika for this function */
+ { /* FIX THIS SHIT! */
        long int vol, max, min;
        snd_mixer_t *handle;
        snd_mixer_elem_t *elem;
        snd_mixer_selem_id_t *s_elem;
  
        snd_mixer_open(&handle, 0);
-       snd_mixer_attach(handle, "default");
+       snd_mixer_attach(handle, snd_card);
        snd_mixer_selem_register(handle, NULL, NULL);
        snd_mixer_load(handle);
        snd_mixer_selem_id_malloc(&s_elem);
-       snd_mixer_selem_id_set_name(s_elem, snd_card);
+       snd_mixer_selem_id_set_name(s_elem, ALSA_CHANNEL);
        elem = snd_mixer_find_selem(handle, s_elem);
  
        if (elem == NULL) {
                snd_mixer_selem_id_free(s_elem);
                snd_mixer_close(handle);
-               perror("alsa error");
+               warn("error: ALSA");
                return smprintf(UNKNOWN_STR);
        }
  
@@@ -498,7 -501,7 +501,7 @@@
        snd_mixer_selem_id_free(s_elem);
        snd_mixer_close(handle);
  
-       return smprintf("%d", (vol * 100) / max);
+       return smprintf("%d", ((uint_fast16_t)(vol * 100) / max));
  }
  
  static char *
@@@ -510,7 -513,7 +513,7 @@@ wifi_perc(const char *wificard
        char status[5];
        FILE *fp;
  
 -      ccat(3, "/sys/class/net", wificard, "/operstate");
 +      ccat(3, "/sys/class/net/", wificard, "/operstate");
  
        fp = fopen(concat, "r");
  
@@@ -601,7 -604,12 +604,12 @@@ main(void
                }
                XStoreName(dpy, DefaultRootWindow(dpy), status_string);
                XSync(dpy, False);
-               sleep(UPDATE_INTERVAL - 1); /* FIXME: ugly cpu function which uses 1 second */
+               /*
+                * subtract delay time spend in function
+                * calls from the actual global delay time
+                */
+               sleep(UPDATE_INTERVAL - delay);
+               delay = 0;
        }
  
        XCloseDisplay(dpy);