tally: invert histograms so maximum is on top.

[ccan] / ccan / tally / tally.c

diff --git a/ccan/tally/tally.c b/ccan/tally/tally.c
index b3ac863ba68119aedc59973b72c1d3716bb35867..b89b0600ac301d0f5d088cb5a31176c841e1c8c3 100644 (file)
--- a/ccan/tally/tally.c
+++ b/ccan/tally/tally.c
@@ -455,14 +455,17 @@ char *tally_histogram(const struct tally *tally,
        }
 
        for (i = 0; i < height; i++) {
-               unsigned covered = 1;
-               count = (double)tally->counts[i] / largest_bucket * (width-1)+1;
+               unsigned covered = 1, row;
 
-               if (i == 0)
+               /* People expect minimum at the bottom. */
+               row = height - i - 1;
+               count = (double)tally->counts[row] / largest_bucket * (width-1)+1;
+
+               if (row == 0)
                        covered = snprintf(p, width, "%zi", tally->min);
-               else if (i == height - 1)
+               else if (row == height - 1)
                        covered = snprintf(p, width, "%zi", tally->max);
-               else if (i == bucket_of(tally->min, tally->step_bits, 0))
+               else if (row == bucket_of(tally->min, tally->step_bits, 0))
                        *p = '+';
                else
                        *p = '|';