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patch 8.0.0374: invalid memory access when using :sc in Ex mode

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Problem:    Invalid memory access when using :sc in Ex mode. (Dominique Pelle)
Solution:   Avoid the column being negative.  Also fix a hang in Ex mode.
This commit is contained in:
Bram Moolenaar
2017-02-26 14:00:07 +01:00
parent 376407674f
commit ba748c8a84
4 changed files with 21 additions and 2 deletions
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2
src/ex_cmds.c
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@@ -5288,6 +5288,8 @@ do_sub(exarg_T *eap)
getvcol(curwin, &curwin->w_cursor, &sc, NULL, NULL);
curwin->w_cursor.col = regmatch.endpos[0].col - 1;
if (curwin->w_cursor.col < 0)
curwin->w_cursor.col = 0;
getvcol(curwin, &curwin->w_cursor, NULL, NULL, &ec);
if (subflags.do_number || curwin->w_p_nu)
{