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patch 9.0.2159: screenpos() may crash with neg. column

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Problem:  screenpos() may crash with neg. column
Solution: validate and correct column

closes: #13669

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2023-12-12 16:43:44 +01:00
committed by Christian Brabandt
parent a40e1687e7
commit ec54af4e26
3 changed files with 9 additions and 0 deletions
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src/move.c
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@@ -1531,6 +1531,8 @@ f_screenpos(typval_T *argvars UNUSED, typval_T *rettv)
return;
}
pos.col = tv_get_number(&argvars[2]) - 1;
if (pos.col < 0)
pos.col = 0;
pos.coladd = 0;
textpos2screenpos(wp, &pos, &row, &scol, &ccol, &ecol);