[PATCH 0/1] MR9790: riched20: Don't crash on WM_COPY without selection.

[eric pouech (＠epo)]

Note: actual crash happens within ME_StreamOutRTF, which
do/while loop expects a non-zero length to be used.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59005

Signed-off-by: Eric Pouech <[e-mail]>

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/9790

[PATCH 1/1] riched20: Don't crash on WM_COPY without selection.

[Eric Pouech]

From: Eric Pouech <[e-mail]>

Note: actual crash happens within ME_StreamOutRTF, which
do/while loop expects a non-zero length to be used.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59005

Signed-off-by: Eric Pouech <[e-mail]>
---
 dlls/riched20/editor.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
index 1a0c444579b..d655c1f8598 100644
--- a/dlls/riched20/editor.c
+++ b/dlls/riched20/editor.c
@@ -2381,6 +2381,7 @@ static BOOL copy_or_cut( ME_TextEditor *editor, BOOL cut )
     if (editor->password_char) return FALSE;
 
     count -= offs;
+    if (!count) return FALSE;
     hr = editor_copy_or_cut( editor, cut, sel_start, count, NULL );
     if (FAILED( hr )) editor_beep( editor, MB_ICONERROR );
 
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/9790