Reorder struct grid_cell_entry

On aarch64 with llvm 15, the new -Wunaligned-access emits noise on every
one of tmux's source files. This avoids this warning by moving a u_char
to the end of the struct. This does not change the size of the struct on
any architecture.

ok nicm

diff --git a/usr.bin/tmux/grid.c b/usr.bin/tmux/grid.c
index 552a88e..09816b5 100644 (file)
--- a/usr.bin/tmux/grid.c
+++ b/usr.bin/tmux/grid.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: grid.c,v 1.127 2022/09/28 07:55:29 nicm Exp $ */
+/* $OpenBSD: grid.c,v 1.128 2023/05/08 10:03:39 tb Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -53,7 +53,7 @@ static const struct grid_cell grid_cleared_cell = {
        { { ' ' }, 0, 1, 1 }, 0, GRID_FLAG_CLEARED, 8, 8, 0, 0
 };
 static const struct grid_cell_entry grid_cleared_entry = {
-       GRID_FLAG_CLEARED, { .data = { 0, 8, 8, ' ' } }
+       { .data = { 0, 8, 8, ' ' } }, GRID_FLAG_CLEARED
 };
 
 /* Store cell in entry. */

diff --git a/usr.bin/tmux/tmux.h b/usr.bin/tmux/tmux.h
index 5f1397e..ff4512e 100644 (file)
--- a/usr.bin/tmux/tmux.h
+++ b/usr.bin/tmux/tmux.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.1197 2023/04/25 09:31:50 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.1198 2023/05/08 10:03:39 tb Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -723,7 +723,6 @@ struct grid_extd_entry {
 
 /* Grid cell entry. */
 struct grid_cell_entry {
-       u_char                  flags;
        union {
                u_int           offset;
                struct {
@@ -733,6 +732,7 @@ struct grid_cell_entry {
                        u_char  data;
                } data;
        };
+       u_char                  flags;
 } __packed;
 
 /* Grid line. */