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patch 8.2.3548: GTK GUI crashen when reading from stdin

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Problem:    GTK GUI crashen when reading from stdin.
Solution:   Do not overwrite the NUL after the string. (closes #9028)
This commit is contained in:
Bram Moolenaar
2021-10-20 23:08:11 +01:00
parent 1d30fde3c9
commit d68a004485
3 changed files with 32 additions and 4 deletions
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12
src/gui_gtk_x11.c
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@@ -5744,12 +5744,16 @@ gui_gtk2_draw_string(int row, int col, char_u *s, int len, int flags)
}
}
// temporarily zero terminate substring, print, restore char, wrap
backup_ch = *(cs + slen);
*(cs + slen) = 0;
if (slen < len)
{
// temporarily zero terminate substring, print, restore char, wrap
backup_ch = *(cs + slen);
*(cs + slen) = NUL;
}
len_sum += gui_gtk2_draw_string_ext(row, col + len_sum,
cs, slen, flags, needs_pango);
*(cs + slen) = backup_ch;
if (slen < len)
*(cs + slen) = backup_ch;
cs += slen;
byte_sum += slen;
needs_pango = should_need_pango;