fix delay in a cleaner way

diff --git a/slstatus.c b/slstatus.c
index e6e726ebdf33fdb2fe5209ac45491a0d7e197c6d..c92da0da6d12a6eef6ba34d8f3ff39293936b746 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -75,7 +75,7 @@ static void usage(void);
 
 char *argv0;
 char concat[];
-static unsigned short int delay;
+static unsigned short int delay = 0;
 static unsigned short int done;
 static unsigned short int dflag, oflag;
 static Display *dpy;
@@ -164,7 +164,7 @@ cpu_perc(void)
        fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
        fclose(fp);
 
-       delay = (UPDATE_INTERVAL - (UPDATE_INTERVAL - 1));
+       delay++;
        sleep(delay);
 
        fp = fopen("/proc/stat", "r");
@@ -829,8 +829,13 @@ main(int argc, char *argv[])
                 * subtract delay time spend in function
                 * calls from the actual global delay time
                 */
-               sleep(UPDATE_INTERVAL - delay);
-               delay = 0;
+               if ((UPDATE_INTERVAL - delay) <= 0) {
+                       delay = 0;
+                       continue;
+               } else {
+                       sleep(UPDATE_INTERVAL - delay);
+                       delay = 0;
+               }
        }
 
        if (!oflag) {