From ee1f901b9a0b0cdb7f3ca4fd7cceee0da7144df3 Mon Sep 17 00:00:00 2001
From: Justus Winter <justus@sequoia-pgp.org>
Date: Mon, 4 Mar 2019 13:26:52 +0100
Subject: openpgp: Only print signature stats if we saw some.

---
 openpgp/examples/statistics.rs | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

(limited to 'openpgp/examples/statistics.rs')

diff --git a/openpgp/examples/statistics.rs b/openpgp/examples/statistics.rs
index c1c3c33a..c5749621 100644
--- a/openpgp/examples/statistics.rs
+++ b/openpgp/examples/statistics.rs
@@ -155,19 +155,21 @@ fn main() {
                      tags_size_bytes[t]);
         }
     }
-    println!();
 
-    println!("# Signature statistics");
-    println!();
-    println!("{:>22} {:>9}",
-             "", "count",);
-    println!("--------------------------------");
-    for t in 0..256 {
-        let max = tpk_max.sigs[t];
-        if max > 0 {
-            println!("{:>22} {:>9}",
-                     format!("{:?}", SignatureType::from(t as u8)),
-                     sigs_count[t]);
+    if tags_count[u8::from(Tag::Signature) as usize] > 0 {
+        println!();
+        println!("# Signature statistics");
+        println!();
+        println!("{:>22} {:>9}",
+                 "", "count",);
+        println!("--------------------------------");
+        for t in 0..256 {
+            let max = tpk_max.sigs[t];
+            if max > 0 {
+                println!("{:>22} {:>9}",
+                         format!("{:?}", SignatureType::from(t as u8)),
+                         sigs_count[t]);
+            }
         }
     }
 
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