fix integer overflow + some gui improvements

slowrx.c

@@ -78,7 +78,7 @@ void *Listen() {
     timeptr = gmtime(&timet);
     strftime(timestr, sizeof(timestr)-1,"%Y%m%d-%H%M%Sz", timeptr);
     snprintf(pngfilename, sizeof(timestr)-1, "rx/%s_%s.png", timestr, ModeSpec[Mode].ShortName);
-    snprintf(lumfilename, sizeof(timestr)-1, "rx/%s_%s-lum", timestr, ModeSpec[Mode].ShortName);
+    snprintf(lumfilename, sizeof(timestr)-1, "rx-lum/%s_%s-lum", timestr, ModeSpec[Mode].ShortName);
     printf("  \"%s\"\n", pngfilename);
     
 

sync.c

@@ -20,8 +20,8 @@ double FindSync (guchar Mode, double Rate, int *Skip) {
 
   int      LineWidth = ModeSpec[Mode].LineLen / ModeSpec[Mode].SyncLen * 4;
   int      x,y,xmid,x0;
-  int      q, d, qMost, dMost;
-  gushort  xAcc[700] = {0}, xmax, s;
+  int      q, d, qMost, dMost, s;
+  gushort  xAcc[700] = {0}, xmax;
   gushort  lines[600][(MAXSLANT-MINSLANT)*2];
   gushort  cy, cx, Retries = 0;
   bool     SyncImg[700][630] = {{false}};

vis.c

@@ -126,6 +126,10 @@ guchar GetVIS () {
               gtk_label_set_markup(GTK_LABEL(infolabel), infostr);
               gdk_threads_leave();
             } else {
+              gdk_threads_enter();
+              gtk_combo_box_set_active (GTK_COMBO_BOX(modecombo), VISmap[VIS]-1);
+              gtk_spin_button_set_value (GTK_SPIN_BUTTON(shiftspin), HedrShift);
+              gdk_threads_leave();
               break;
             }
           }