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vim-patch:8.2.4397: crash when using many composing characters in error message (#23481)

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Problem:    Crash when using many composing characters in error message.
Solution:   Use mb_cptr2char_adv() instead of mb_ptr2char_adv().

34f8117dec

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq
2023-05-05 06:22:37 +08:00
committed by GitHub
parent f6299e9d6e
commit d79e726212
2 changed files with 9 additions and 1 deletions
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2
src/nvim/testing.c
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@@ -121,7 +121,7 @@ static void ga_concat_shorten_esc(garray_T *gap, const char *str)
for (const char *p = str; *p != NUL; p++) {
int same_len = 1;
const char *s = p;
const int c = mb_ptr2char_adv(&s);
const int c = mb_cptr2char_adv(&s);
const int clen = (int)(s - p);
while (*s != NUL && c == utf_ptr2char(s)) {
same_len++;