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patch 8.2.2113: MS-Windows GUI: crash after using ":set guifont=" four times

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Problem:    MS-Windows GUI: crash after using ":set guifont=" four times.
Solution:   Check for NULL pointer. (Ken Takata, closes #7434)
This commit is contained in:
Bram Moolenaar
2020-12-08 21:12:40 +01:00
parent ac665c24c9
commit 1b3e0727ce
3 changed files with 11 additions and 1 deletions
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3
src/gui_dwrite.cpp
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@@ -239,7 +239,8 @@ public:
if (mItems[n].pTextFormat != item.pTextFormat)
{
SafeRelease(&mItems[n].pTextFormat);
item.pTextFormat->AddRef();
if (item.pTextFormat != NULL)
item.pTextFormat->AddRef();
}
mItems[n] = item;
slide(n);

7
src/testdir/test_gui.vim
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@@ -386,6 +386,13 @@ func Test_set_guifont()
if has('win32')
" Invalid font names are accepted in GTK GUI
call assert_fails('set guifont=xa1bc23d7f', 'E596:')
" doing this four times used to cause a crash
set guifont=
set guifont=
set guifont=
set guifont=
set guifont=
endif
if has('xfontset')

2
src/version.c
View File

@@ -750,6 +750,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
2113,
/**/
2112,
/**/