display the infinity symbol in stats for ratio when there is upload but no download

NEWS

@@ -11,9 +11,9 @@ NEWS file for Transmission <http://transmission.m0k.org/>
    + Statistics window
    + Pieces Bar (return of Advanced Bar)
    + Availability Bar (overlay on regular bar)
-   + Leopard: Time Machine will ignore incomplete downloads
    + Display remaining time for seeding transfers
    + Sort by total activity
+   + Leopard: Time Machine will ignore incomplete downloads
    + Leopard: Fix bug where text fields would reject localized decimal values
 - GTK+:
    + Statistics window

libtransmission/stats.c

@@ -138,7 +138,10 @@ tr_getSessionStats( const tr_handle   * handle,
 {
     const struct tr_stats_handle * stats = handle->sessionStats;
     *setme = stats->single;
-    setme->ratio = setme->downloadedBytes ? (double)setme->uploadedBytes / (double)setme->downloadedBytes : TR_RATIO_NA;
+    
+    setme->ratio = setme->downloadedBytes ? (double)setme->uploadedBytes / (double)setme->downloadedBytes
+                                            : ( setme->uploadedBytes ? TR_RATIO_INF : TR_RATIO_NA );
+    
     setme->secondsActive += ( time(NULL) - stats->startTime );
 }
 

libtransmission/transmission.h

@@ -699,6 +699,7 @@ struct tr_stat
     float               swarmspeed;
 
 #define TR_RATIO_NA  -1
+#define TR_RATIO_INF -2
     float               ratio;
     
     uint64_t            startDate;

macosx/NSStringAdditions.m

@@ -97,6 +97,8 @@
 {
     if (ratio == TR_RATIO_NA)
         return NSLocalizedString(@"N/A", "No Ratio");
+    else if (ratio == TR_RATIO_INF)
+        return [NSString stringWithUTF8String: "\xE2\x88\x9E"];
     else if (ratio < 0)
         return NSLocalizedString(@"error", "Ratio invalid");
     else;

macosx/StatusBarView.m

@@ -49,7 +49,7 @@
 
 - (void) setShowOnTiger: (BOOL) show
 {
-    fShow = [NSApp isOnLeopardOrBetter] || show;
+    fShow = show || [NSApp isOnLeopardOrBetter];
 }
 
 - (BOOL) isOpaque