fixed cpu_perc() stupidity && added some useful comment for drkh5h

diff --git a/slstatus.c b/slstatus.c
index 6c25f3f6eb98da97f7b45ef1977258dd5c2bbdd0..3391e670b7953023eae9e393267e9377e2e5118f 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -37,6 +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 @@ 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 @@ cpu_perc(void)
        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) {
@@ -470,7 +473,7 @@ 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;
@@ -601,7 +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);