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patch 9.1.0340: Problem: Error with matchaddpos() and empty list

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Problem:  Error with matchaddpos() and empty list
          (@rickhow)
Solution: Return early for an empty list

fixes: #14525
closes: #14563

Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Christian Brabandt 2024-04-16 22:23:17 +02:00
parent 8560e6cf97
commit f7d31adcc2
No known key found for this signature in database
GPG Key ID: F3F92DA383FDDE09
3 changed files with 5 additions and 3 deletions
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4
src/match.c
View File

@ -87,7 +87,7 @@ match_add(
m = ALLOC_CLEAR_ONE(matchitem_T);
if (m == NULL)
return -1;
if (pos_list != NULL)
if (pos_list != NULL && pos_list->lv_len > 0)
{
m->mit_pos_array = ALLOC_CLEAR_MULT(llpos_T, pos_list->lv_len);
if (m->mit_pos_array == NULL)
@ -1294,7 +1294,7 @@ f_matchaddpos(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
return;
}
l = argvars[1].vval.v_list;
if (l == NULL)
if (l == NULL || l->lv_len == 0)
return;
if (argvars[2].v_type != VAR_UNKNOWN)

2
src/testdir/test_match.vim
View File

@ -307,6 +307,7 @@ func Test_matchaddpos_error()
" Why doesn't the following error have an error code E...?
call assert_fails("call matchaddpos('Error', [{}])", 'E290:')
call assert_equal(-1, matchaddpos('Error', test_null_list()))
call assert_equal(-1, matchaddpos('Error', []))
call assert_fails("call matchaddpos('Error', [1], [], 1)", 'E745:')
call assert_equal(-1, matchaddpos('Search', [[]]))
call assert_fails("call matchaddpos('Search', [[{}]])", 'E728:')
@ -433,5 +434,4 @@ func Test_match_tab_with_linebreak()
call StopVimInTerminal(buf)
endfunc
" vim: shiftwidth=2 sts=2 expandtab

2
src/version.c
View File

@ -704,6 +704,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
340,
/**/
339,
/**/