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patch 8.2.4074: going over the end of NameBuff

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Problem:    Going over the end of NameBuff.
Solution:   Check length when appending a space.
This commit is contained in:
Bram Moolenaar
2022-01-13 13:08:14 +00:00
parent 54598066ca
commit de05bb2573
3 changed files with 22 additions and 4 deletions
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9
src/drawscreen.c
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@@ -462,12 +462,13 @@ win_redr_status(win_T *wp, int ignore_pum UNUSED)
p = NameBuff;
len = (int)STRLEN(p);
if (bt_help(wp->w_buffer)
if ((bt_help(wp->w_buffer)
#ifdef FEAT_QUICKFIX
|| wp->w_p_pvw
|| wp->w_p_pvw
#endif
|| bufIsChanged(wp->w_buffer)
|| wp->w_buffer->b_p_ro)
|| bufIsChanged(wp->w_buffer)
|| wp->w_buffer->b_p_ro)
&& len < MAXPATHL - 1)
*(p + len++) = ' ';
if (bt_help(wp->w_buffer))
{