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patch 9.1.0719: Resetting cell widths can make 'listchars' or 'fillchars' invalid

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Problem:  Resetting cell widths can make 'listchars' or 'fillchars'
          invalid.
Solution: Check for conflicts when resetting cell widths (zeertzjq).

closes: #15629

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2024-09-06 16:24:41 +02:00
committed by Christian Brabandt
parent 82f6134b1b
commit 66f65a46c5
3 changed files with 22 additions and 16 deletions
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24
src/mbyte.c
View File

@@ -5630,7 +5630,8 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED)
int item;
int i;
listitem_T **ptrs;
cw_interval_T *table;
cw_interval_T *table = NULL;
size_t table_size;
cw_interval_T *cw_table_save;
size_t cw_table_size_save;
char *error = NULL;
@@ -5639,15 +5640,12 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED)
return;
l = argvars[0].vval.v_list;
if (l->lv_len == 0)
{
table_size = (size_t)l->lv_len;
if (table_size == 0)
// Clearing the table.
VIM_CLEAR(cw_table);
cw_table_size = 0;
goto done;
}
goto update;
ptrs = ALLOC_MULT(listitem_T *, l->lv_len);
ptrs = ALLOC_MULT(listitem_T *, table_size);
if (ptrs == NULL)
return;
@@ -5706,9 +5704,9 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED)
}
// Sort the list on the first number.
qsort((void *)ptrs, (size_t)l->lv_len, sizeof(listitem_T *), tv_nr_compare);
qsort((void *)ptrs, table_size, sizeof(listitem_T *), tv_nr_compare);
table = ALLOC_MULT(cw_interval_T, l->lv_len);
table = ALLOC_MULT(cw_interval_T, table_size);
if (table == NULL)
{
vim_free(ptrs);
@@ -5716,7 +5714,7 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED)
}
// Store the items in the new table.
for (item = 0; item < l->lv_len; ++item)
for (item = 0; (size_t)item < table_size; ++item)
{
listitem_T *lili = ptrs[item];
varnumber_T n1;
@@ -5738,10 +5736,11 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED)
vim_free(ptrs);
update:
cw_table_save = cw_table;
cw_table_size_save = cw_table_size;
cw_table = table;
cw_table_size = l->lv_len;
cw_table_size = table_size;
// Check that the new value does not conflict with 'listchars' or
// 'fillchars'.
@@ -5756,7 +5755,6 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED)
}
vim_free(cw_table_save);
done:
changed_window_setting_all();
redraw_all_later(UPD_CLEAR);
}

12
src/testdir/test_utf8.vim
View File

@@ -255,15 +255,21 @@ func Test_setcellwidths()
call assert_fails('call setcellwidths([[0x33, 0x44, 2]])', 'E1114:')
set listchars=tab:--\\u2192
set listchars=tab:--\\u2192 fillchars=stl:\\u2501
call assert_fails('call setcellwidths([[0x2192, 0x2192, 2]])', 'E834:')
set fillchars=stl:\\u2501
call assert_fails('call setcellwidths([[0x2501, 0x2501, 2]])', 'E835:')
call setcellwidths([[0x201c, 0x201d, 1]])
set listchars& fillchars& ambiwidth=double
set listchars=nbsp:\\u201c fillchars=vert:\\u201d
call assert_fails('call setcellwidths([])', 'E834:')
set listchars&
call assert_fails('call setcellwidths([])', 'E835:')
set fillchars&
call setcellwidths([])
set ambiwidth&
bwipe!
endfunc

2
src/version.c
View File

@@ -704,6 +704,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
719,
/**/
718,
/**/