From c05e7f0fdd15d550cfb1054416a08d4514a4fb7e Mon Sep 17 00:00:00 2001
From: Marco Hinz <mh.codebro@gmail.com>
Date: Mon, 9 Jan 2017 14:35:04 +0100
Subject: vim-patch:7.4.2024

Problem:  More buf_valid() calls can be optimized.
Solution: Use bufref_valid() instead.

NOTE: Some changes related to channels and the Python and Netbeans interfaces
were obviously left out.

https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b
---
 src/nvim/ex_getln.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

(limited to 'src/nvim/ex_getln.c')

diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index dba7a73814..2555b64dfd 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -5134,9 +5134,9 @@ int cmd_gchar(int offset)
 static int ex_window(void)
 {
   struct cmdline_info save_ccline;
-  buf_T               *old_curbuf = curbuf;
+  bufref_T            old_curbuf;
+  bufref_T            bufref;
   win_T               *old_curwin = curwin;
-  buf_T               *bp;
   win_T               *wp;
   int i;
   linenr_T lnum;
@@ -5155,6 +5155,8 @@ static int ex_window(void)
     return K_IGNORE;
   }
 
+  set_bufref(&old_curbuf, curbuf);
+
   /* Save current window sizes. */
   win_size_save(&winsizes);
 
@@ -5269,7 +5271,7 @@ static int ex_window(void)
 
   /* Safety check: The old window or buffer was deleted: It's a bug when
    * this happens! */
-  if (!win_valid(old_curwin) || !buf_valid(old_curbuf)) {
+  if (!win_valid(old_curwin) || !bufref_valid(&old_curbuf)) {
     cmdwin_result = Ctrl_C;
     EMSG(_("E199: Active window or buffer deleted"));
   } else {
@@ -5320,14 +5322,15 @@ static int ex_window(void)
     // Avoid command-line window first character being concealed
     curwin->w_p_cole = 0;
     wp = curwin;
-    bp = curbuf;
+    set_bufref(&bufref, curbuf);
     win_goto(old_curwin);
     win_close(wp, TRUE);
 
-    /* win_close() may have already wiped the buffer when 'bh' is
-     * set to 'wipe' */
-    if (buf_valid(bp))
-      close_buffer(NULL, bp, DOBUF_WIPE, FALSE);
+    // win_close() may have already wiped the buffer when 'bh' is
+    // set to 'wipe'.
+    if (bufref_valid(&bufref)) {
+      close_buffer(NULL, bufref.br_buf, DOBUF_WIPE, false);
+    }
 
     /* Restore window sizes. */
     win_size_restore(&winsizes);
-- 
cgit