patch 8.0.0374: invalid memory access when using :sc in Ex mode
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.
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 5b118e5..c38687d 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -5288,6 +5288,8 @@
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)
{