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

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Problem:    When ml_get_buf() fails it messes up IObuff.
Solution:   Return a local pointer. (closes vim/vim#9214)
96e7a5928e
This commit is contained in:
zeertzjq
2022-07-07 07:51:50 +08:00
parent 4cded8cec1
commit 4bb01262ca
1 changed files with 3 additions and 2 deletions
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5
src/nvim/memline.c
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@@ -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;