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fix(terminal): return early if there are no invalid rows

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Prevent on_lines emitting out-of-bounds line indexes.
This commit is contained in:
zeertzjq
2021-12-08 08:41:46 +08:00
parent be768be6b7
commit c83fedf0bd
2 changed files with 44 additions and 1 deletions
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7
src/nvim/terminal.c
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@@ -1508,6 +1508,13 @@ static void refresh_screen(Terminal *term, buf_T *buf)
// Terminal height may have decreased before `invalid_end` reflects it.
term->invalid_end = MIN(term->invalid_end, height);
// There are no invalid rows.
if (term->invalid_start >= term->invalid_end) {
term->invalid_start = INT_MAX;
term->invalid_end = -1;
return;
}
for (int r = term->invalid_start, linenr = row_to_linenr(term, r);
r < term->invalid_end; r++, linenr++) {
fetch_row(term, r, width);