patch 8.2.3916: no error for passing an invalid line number to append()
Problem: No error for passing an invalid line number to append().
Solution: In Vim9 script check for a non-negative number. (closes #9417)
diff --git a/src/eval.c b/src/eval.c
index 4e720e8..40a5910 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -5359,8 +5359,9 @@
name = tv_get_string_chk(varp);
if (name == NULL)
return NULL;
- if (name[0] == '.') // cursor
+ if (name[0] == '.' && (!in_vim9script() || name[1] == NUL))
{
+ // cursor
pos = curwin->w_cursor;
if (charcol)
pos.col = buf_byteidx_to_charidx(curbuf, pos.lnum, pos.col);
@@ -5376,8 +5377,10 @@
pos.col = buf_byteidx_to_charidx(curbuf, pos.lnum, pos.col);
return &pos;
}
- if (name[0] == '\'') // mark
+ if (name[0] == '\'' && (!in_vim9script()
+ || (name[1] != NUL && name[2] == NUL)))
{
+ // mark
pp = getmark_buf_fnum(curbuf, name[1], FALSE, fnum);
if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0)
return NULL;