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fix(normal): fix segfault with bracket command jumping to a mark

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vim-patch:9.0.0043: insufficient testing for bracket commands

Problem:    Insufficient testing for bracket commands.
Solution:   Add a few more tests. (closes vim/vim#10668)
cf34434b5e

Cherry-pick a change from patch 8.2.0369.
This commit is contained in:
zeertzjq
2022-07-06 14:40:04 +08:00
parent 8e03d42ec8
commit 1a490a5bc5
2 changed files with 46 additions and 13 deletions
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18
src/nvim/normal.c
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@@ -5011,8 +5011,6 @@ static void nv_bracket_block(cmdarg_T *cap, const pos_T *old_pos)
/// cap->arg is BACKWARD for "[" and FORWARD for "]".
static void nv_brackets(cmdarg_T *cap)
{
pos_T prev_pos;
pos_T *pos = NULL; // init for GCC
pos_T old_pos; // cursor position before command
int flag;
long n;
@@ -5091,19 +5089,19 @@ static void nv_brackets(cmdarg_T *cap)
nv_put_opt(cap, true);
} else if (cap->nchar == '\'' || cap->nchar == '`') {
// "['", "[`", "]'" and "]`": jump to next mark
fmark_T *fm = NULL;
pos = &curwin->w_cursor;
fmark_T *fm = pos_to_mark(curbuf, NULL, curwin->w_cursor);
fmark_T *prev_fm;
for (n = cap->count1; n > 0; n--) {
prev_pos = *pos;
fm = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
prev_fm = fm;
fm = getnextmark(&fm->mark, cap->cmdchar == '[' ? BACKWARD : FORWARD,
cap->nchar == '\'');
if (pos == NULL) {
if (fm == NULL) {
break;
} else {
pos = fm != NULL ? &fm->mark : NULL; // Adjust for the next iteration.
}
}
fm = fm == NULL ? pos_to_mark(curbuf, NULL, curwin->w_cursor) : fm;
if (fm == NULL) {
fm = prev_fm;
}
MarkMove flags = kMarkContext;
flags |= cap->nchar == '\'' ? kMarkBeginLine: 0;
nv_mark_move_to(cap, flags, fm);