[Freeciv-Dev] (PR#13708) Bug in get_science_target_text

["Mateusz Stefek" <mstefek@xxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=13708 >

There's a division by zero bug in get_science_target_text().
The attached patch fixes it.
--
mateusz

Index: client/text.c
===================================================================
RCS file: /home/freeciv/CVS/freeciv/client/text.c,v
retrieving revision 1.46
diff -u -r1.46 text.c
--- client/text.c       16 Aug 2005 06:54:53 -0000      1.46
+++ client/text.c       19 Aug 2005 07:33:37 -0000
@@ -439,10 +439,14 @@
     int total = total_bulbs_required(game.player_ptr);
     int done = research->bulbs_researched;
     int perturn = get_bulbs_per_turn(NULL, NULL);
-    int turns = (total - done + perturn - 1) / perturn;
 
-    astr_add(&str, PL_("%d/%d (%d turn)", "%d/%d (%d turns)", turns),
-            done, total, turns);
+    if (perturn > 0) {
+      int turns = (total - done + perturn - 1) / perturn;
+      astr_add(&str, PL_("%d/%d (%d turn)", "%d/%d (%d turns)", turns),
+              done, total, turns);
+    } else {
+      astr_add(&str, _("%d/%d (never)"), done, total);
+    }
     if (percent) {
       *percent = (double)done / (double)total;
       *percent = CLIP(0.0, *percent, 1.0);