fixed some bugs/unproper code

logger.c

@@ -145,9 +145,6 @@ int LoggerWrite(Logger *log, time_t now, int period, char *value) {
   */
   strftime(stim, sizeof stim,"%H:%M:%S", tm);
   fprintf(fil, "%s\t%s%s\n", stim, value, buf);
-//  if (0 != strncmp(value, log->old, sizeof(log->old)) || buf[0]!='\0') {  /* value has changed */
-//    log->pos = ftell(fil); /* next time append to the end */
-//  }
   l = strlen(value);
   if (l >= sizeof(log->old)) {
     l = sizeof(log->old) - 1;
@@ -324,6 +321,7 @@ static void LoggerPut(Compressor *c, time_t t, char *value) {
 int LoggerGraph(SConnection *pCon, SicsInterp *pSics, void *pData,
                         int argc, char *argv[]) {
   time_t from, to, step, xs, lastt, now;
+  long lxs;
   char *p;
   int i, l, yday, iret, loss;
   int inRange;
@@ -431,7 +429,7 @@ int LoggerGraph(SConnection *pCon, SicsInterp *pSics, void *pData,
         if (p) {
           stp = p+1;
           *p='\0';
-          iret = sscanf(stp, "%ld", &xs);
+          iret = sscanf(stp, "%ld", &lxs); xs = lxs;
           if (iret == 1) {
             if (xs < step) {
               loss = 1;