[PATCH v2 1/3] comctl32/taskdialog: Use dynamic buffer for taskdialog_get_label_size().
Zhiyi Zhang
zzhang at codeweavers.com
Mon Jun 25 22:35:24 CDT 2018
Signed-off-by: Zhiyi Zhang <zzhang at codeweavers.com>
---
dlls/comctl32/taskdialog.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/dlls/comctl32/taskdialog.c b/dlls/comctl32/taskdialog.c
index 33fb578910..5625f2bc24 100644
--- a/dlls/comctl32/taskdialog.c
+++ b/dlls/comctl32/taskdialog.c
@@ -235,7 +235,7 @@ static void taskdialog_get_label_size(struct taskdialog_info *dialog_info, HWND
HFONT hfont, old_hfont;
HDC hdc;
RECT rect = {0};
- WCHAR text[1024];
+ WCHAR *text;
INT text_length;
if (syslink)
@@ -250,7 +250,15 @@ static void taskdialog_get_label_size(struct taskdialog_info *dialog_info, HWND
style |= DT_LEFT;
hfont = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0);
- text_length = GetWindowTextW(hwnd, text, ARRAY_SIZE(text));
+ text_length = GetWindowTextLengthW(hwnd);
+ text = Alloc((text_length + 1) * sizeof(WCHAR));
+ if (!text)
+ {
+ size->cx = 0;
+ size->cy = 0;
+ return;
+ }
+ GetWindowTextW(hwnd, text, text_length + 1);
hdc = GetDC(hwnd);
old_hfont = SelectObject(hdc, hfont);
rect.right = max_width;
@@ -258,6 +266,7 @@ static void taskdialog_get_label_size(struct taskdialog_info *dialog_info, HWND
size->cx = min(max_width, rect.right - rect.left);
if (old_hfont) SelectObject(hdc, old_hfont);
ReleaseDC(hwnd, hdc);
+ Free(text);
}
static ULONG_PTR taskdialog_get_standard_icon(LPCWSTR icon)
--
2.17.1
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