neovim

commit 4bb01262ca8644ff62bb37b40d5f0ccebadcc1fb
parent 4cded8cec13cb91ce97d6c505879123b8b892bb3
Author: zeertzjq <zeertzjq@outlook.com>
Date:   Thu,  7 Jul 2022 07:51:50 +0800

vim-patch:8.2.3674: when ml_get_buf() fails it messes up IObuff

Problem:    When ml_get_buf() fails it messes up IObuff.
Solution:   Return a local pointer. (closes vim/vim#9214)
https://github.com/vim/vim/commit/96e7a5928e1e7a350cd6c6d0b9376305190046e7

Diffstat:
M
src/nvim/memline.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/nvim/memline.c b/src/nvim/memline.c
@@ -1834,6 +1834,7 @@ char_u *ml_get_buf(buf_T *buf, linenr_T lnum, bool will_change)
   DATA_BL *dp;
   char_u *ptr;
   static int recursive = 0;
+  static char_u questions[4];
 
   if (lnum > buf->b_ml.ml_line_count) {  // invalid line number
     if (recursive == 0) {
@@ -1844,8 +1845,8 @@ char_u *ml_get_buf(buf_T *buf, linenr_T lnum, bool will_change)
       recursive--;
     }
 errorret:
-    STRCPY(IObuff, "???");
-    return IObuff;
+    STRCPY(questions, "???");
+    return questions;
   }
   if (lnum <= 0) {                      // pretend line 0 is line 1
     lnum = 1;