fix: write override behavior

IO.write() takes an arbitrary number of argumens, that are converted to string
and joined on write. We should behave the same way.

Moreover, the returned value is the number of bytes, and this is bytesize
in modern Ruby.

1 files changed, 6 insertions, 4 deletions

diff --git a/lib/rbot/ircbot.rb b/lib/rbot/ircbot.rb
index f9f1758a..564403f5 100644
--- a/lib/rbot/ircbot.rb
+++ b/lib/rbot/ircbot.rb
@@ -444,17 +444,19 @@ class Bot
         end
       end
 
-      def $stdout.write(str=nil)
+      def $stdout.write(*args)
+        str = args.map { |s| s.to_s }.join("")
         log str, 2
-        return str.to_s.size
+        return str.bytesize
       end
-      def $stderr.write(str=nil)
+      def $stderr.write(*args)
+        str = args.map { |s| s.to_s }.join("")
         if str.to_s.match(/:\d+: warning:/)
           warning str, 2
         else
           error str, 2
         end
-        return str.to_s.size
+        return str.bytesize
       end
 
       LoggerManager.instance.log_session_start