diff options
| author | Bram Moolenaar <Bram@vim.org> | 2019-07-12 16:05:45 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2019-07-12 16:05:45 +0200 |
| commit | b4207474780569bcc9840e03f13edb5d9c2554f5 (patch) | |
| tree | 0dc0e386c11d123e867c0824bff7a50b37b26da1 /src/popupwin.c | |
| parent | 847a5d69a826c02a7cb8a14884f3fef69d74fed7 (diff) | |
patch 8.1.1665: crash when popup window with mask is below the screenv8.1.1665
Problem: Crash when popup window with mask is below the screen.
Solution: Correct boundary check.
Diffstat (limited to 'src/popupwin.c')
| -rw-r--r-- | src/popupwin.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/popupwin.c b/src/popupwin.c index 484f774067..968f6eeda4 100644 --- a/src/popupwin.c +++ b/src/popupwin.c @@ -2323,8 +2323,10 @@ update_popup_transparent(win_T *wp, int val) --lines; if (lines < 0) lines = 0; - for (line = lines; line < linee && line < screen_Rows; ++line) - for (col = cols; col < cole && col < screen_Columns; ++col) + for (line = lines; line < linee + && line + wp->w_winrow < screen_Rows; ++line) + for (col = cols; col < cole + && col + wp->w_wincol < screen_Columns; ++col) popup_transparent[(line + wp->w_winrow) * screen_Columns + col + wp->w_wincol] = val; } |