neovim

commit 4cc05a75ea9e67099e8a54311390af299c4f462e
parent 0c6ad03c3f89c2ff26dfd2f2e861cf3ed09f6c87
Author: zeertzjq <zeertzjq@outlook.com>
Date:   Thu, 16 Jun 2022 07:18:27 +0800

vim-patch:8.2.5097: using uninitialized memory when using 'listchars' (#18974)

Problem:    Using uninitialized memory when using 'listchars'.
Solution:   Use the length returned by mb_char2bytes(). (closes vim/vim#10576)
https://github.com/vim/vim/commit/74ac29cecd56457ee93f3f71b31b7a2e6d9712d6
Diffstat:
M
src/nvim/message.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/nvim/message.c b/src/nvim/message.c
@@ -1851,8 +1851,8 @@ void msg_prt_line(char_u *s, int list)
       } else if (curwin->w_p_lcs_chars.nbsp != NUL && list
                  && (utf_ptr2char((char *)s) == 160
                      || utf_ptr2char((char *)s) == 0x202f)) {
-        utf_char2bytes(curwin->w_p_lcs_chars.nbsp, buf);
-        buf[utfc_ptr2len(buf)] = NUL;
+        int len = utf_char2bytes(curwin->w_p_lcs_chars.nbsp, buf);
+        buf[len] = NUL;
       } else {
         memmove(buf, s, (size_t)l);
         buf[l] = NUL;