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patch 8.2.4969: changing text in Visual mode may cause invalid memory access

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Problem:    Changing text in Visual mode may cause invalid memory access.
Solution:   Check the Visual position after making a change.
This commit is contained in:
Bram Moolenaar
2022-05-16 19:40:59 +01:00
parent 60ae0e7149
commit 7ce5b2b590
6 changed files with 44 additions and 11 deletions
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12
src/edit.c
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@@ -2541,16 +2541,8 @@ stop_insert(
// <C-S-Right> may have started Visual mode, adjust the position for
// deleted characters.
if (VIsual_active && VIsual.lnum == curwin->w_cursor.lnum)
{
int len = (int)STRLEN(ml_get_curline());
if (VIsual.col > len)
{
VIsual.col = len;
VIsual.coladd = 0;
}
}
if (VIsual_active)
check_visual_pos();
}
}
did_ai = FALSE;