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Validate rect co-ords

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Kovid Goyal 2025-08-25 10:28:30 +05:30
parent 574e5ab1d5
commit d74fd5c94a
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kitty/screen.c
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@ -2952,6 +2952,7 @@ screen_multi_cursor(Screen *self, int queried_shape, int *params, unsigned num_p
for (unsigned i = 0; i + 3 < num_params; i += 4) {
index_type top = params[i]-1, left = params[i+1]-1, bottom = params[i+2]-1, right = params[i+3]-1;
bottom = MIN(bottom, self->lines-1); right = MIN(right, self->columns -1);
if (right < left || bottom < top) continue;
size_t xnum = right + 1 - left, ynum = bottom + 1 - top;
ensure_space_for(&self->extra_cursors, locations, ExtraCursor,
self->extra_cursors.count + xnum * ynum, capacity, 20 * 80, false);