From 9252c11d372562fb4cb91a93952617e3c562f7db Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Thu, 19 Jan 2023 20:48:30 +0100
Subject: [PATCH] tabnr_formatter: get correct name for tabpage

---
 autoload/airline/extensions/tabline.vim | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/autoload/airline/extensions/tabline.vim b/autoload/airline/extensions/tabline.vim
index edd406cd..84501610 100644
--- a/autoload/airline/extensions/tabline.vim
+++ b/autoload/airline/extensions/tabline.vim
@@ -219,7 +219,10 @@ if !exists(":def") || !airline#util#has_vim9_script()
       if len(curbuf) ==  0
         call add(curbuf, tabpagebuflist(a:n)[0])
       endif
-      return airline#extensions#tabline#get_buffer_name(a:n, curbuf)
+      " a:n: -> buffer number
+      " curbuf: list of buffers in current tabpage
+      " we need the buffername in current tab page.
+      return airline#extensions#tabline#get_buffer_name(curbuf[0], curbuf)
     endif
 
     return title
@@ -435,7 +438,7 @@ else
       if len(curbuf) ==  0
         add(curbuf, tabpagebuflist(n)[0])
       endif
-      return airline#extensions#tabline#get_buffer_name(n, curbuf)
+      return airline#extensions#tabline#get_buffer_name(curbuf[0], curbuf)
     endif
     return title
   enddef