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patch 9.0.0483: illegal memory access when replacing in virtualedit mode

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Problem:    Illegal memory access when replacing in virtualedit mode.
Solution:   Check for replacing NUL after Tab.
This commit is contained in:
Bram Moolenaar
2022-09-16 22:16:59 +01:00
parent e24b4aba1f
commit c249913edc
3 changed files with 26 additions and 2 deletions
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12
src/ops.c
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@@ -1173,6 +1173,8 @@ op_replace(oparg_T *oap, int c)
while (LTOREQ_POS(curwin->w_cursor, oap->end))
{
int done = FALSE;
n = gchar_cursor();
if (n != NUL)
{
@@ -1186,6 +1188,7 @@ op_replace(oparg_T *oap, int c)
if (curwin->w_cursor.lnum == oap->end.lnum)
oap->end.col += new_byte_len - old_byte_len;
replace_character(c);
done = TRUE;
}
else
{
@@ -1204,10 +1207,15 @@ op_replace(oparg_T *oap, int c)
if (curwin->w_cursor.lnum == oap->end.lnum)
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;