Added xact_t::count member

This allows reports to access the "whicheth" index of the reported
transaction.  It's used mainly by the --average report, which divides
the running total by this count to get the arithmetic mean.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/filters.cc b/src/filters.cc
index f97e58d0..8d8589e4 100644
--- a/src/filters.cc
+++ b/src/filters.cc
@@ -186,8 +186,13 @@ void calc_xacts::operator()(xact_t& xact)
   try {
     xact_t::xdata_t& xdata(xact.xdata());
 
-    if (last_xact && last_xact->has_xdata())
+    if (last_xact) {
+      assert(last_xact->has_xdata());
       add_or_set_value(xdata.total, last_xact->xdata().total);
+      xdata.count = last_xact->xdata().count + 1;
+    } else {
+      xdata.count = 1;
+    }
 
     xact.add_to_value(xdata.total, amount_expr);