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vim-patch:9.0.0483: illegal memory access when replacing in virtualedit mode (#20225)

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Problem:    Illegal memory access when replacing in virtualedit mode.
Solution:   Check for replacing NUL after Tab.
c249913edc

Cherry-pick Test_virtualedit_mouse() from patch 9.0.0177.
This commit is contained in:
zeertzjq
2022-09-17 10:20:06 +08:00
committed by GitHub
parent 26b54d5c16
commit 72e1041429
2 changed files with 59 additions and 2 deletions
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12
src/nvim/ops.c
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@@ -1961,6 +1961,8 @@ static int op_replace(oparg_T *oap, int c)
// TODO(bfredl): we could batch all the splicing
// done on the same line, at least
while (ltoreq(curwin->w_cursor, oap->end)) {
bool done = false;
n = gchar_cursor();
if (n != NUL) {
int new_byte_len = utf_char2len(c);
@@ -1973,6 +1975,7 @@ static int op_replace(oparg_T *oap, int c)
oap->end.col += new_byte_len - old_byte_len;
}
replace_character(c);
done = true;
} else {
if (n == TAB) {
int end_vcol = 0;
@@ -1988,9 +1991,14 @@ static int op_replace(oparg_T *oap, int c)
getvpos(&oap->end, end_vcol);
}
}
pbyte(curwin->w_cursor, c);
// with "coladd" set may move to just after a TAB
if (gchar_cursor() != NUL) {
pbyte(curwin->w_cursor, c);
done = true;
}
}
} else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum) {
}
if (!done && virtual_op && curwin->w_cursor.lnum == oap->end.lnum) {
int virtcols = oap->end.coladd;
if (curwin->w_cursor.lnum == oap->start.lnum