From 02bfa0898c84611f79d179c365746357e7f369a4 Mon Sep 17 00:00:00 2001
From: ngugcx <ngugcx@gmail.com>
Date: Sun, 15 Mar 2020 20:09:28 +0800
Subject: [PATCH] Do not fill blanks to align if there is only one line.

---
 include/spdlog/fmt/bin_to_hex.h | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/include/spdlog/fmt/bin_to_hex.h b/include/spdlog/fmt/bin_to_hex.h
index ed661ba4..7e65ae91 100644
--- a/include/spdlog/fmt/bin_to_hex.h
+++ b/include/spdlog/fmt/bin_to_hex.h
@@ -177,14 +177,17 @@ struct formatter<spdlog::details::dump_info<T>>
         }
         if (show_ascii)
         {
-            auto blank_num = size_per_line - (the_range.end() - start_of_line);
-            while (blank_num-- > 0)
+            if (the_range.end() - the_range.begin() > size_per_line)
             {
-                *inserter++ = ' ';
-                *inserter++ = ' ';
-                if (put_delimiters)
+                auto blank_num = size_per_line - (the_range.end() - start_of_line);
+                while (blank_num-- > 0)
                 {
                     *inserter++ = ' ';
+                    *inserter++ = ' ';
+                    if (put_delimiters)
+                    {
+                        *inserter++ = ' ';
+                    }
                 }
             }
             *inserter++ = ' ';