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patch 8.2.4255: theoretical computation overflow

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Problem:    Theoretical computation overflow.
Solution:   Perform multiplication in a wider type. (closes #9657)
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2022-01-29 15:19:23 +00:00
committed by Bram Moolenaar
parent f12b7815f6
commit d5cec1f1f0
11 changed files with 28 additions and 23 deletions
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2
src/drawline.c
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@@ -2800,7 +2800,7 @@ win_line(
if (((wp->w_p_cuc
&& (int)wp->w_virtcol >= VCOL_HLC - eol_hl_off
&& (int)wp->w_virtcol <
wp->w_width * (row - startrow + 1) + v
(long)wp->w_width * (row - startrow + 1) + v
&& lnum != wp->w_cursor.lnum)
|| draw_color_col
|| win_attr != 0)