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Check if the range is invalid using start,end rather than length since

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it will never be negative.
This commit is contained in:
nicm
2026-05-30 08:58:29 +00:00
parent 55db69e3b2
commit c40302a7ff
1 changed files with 4 additions and 4 deletions
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8
screen-write.c
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@@ -2090,16 +2090,16 @@ screen_write_collect_flush_line(struct screen_write_ctx *ctx, u_int y)
if (c_start + xoff > r_end || c_end + xoff < r_start) if (c_start + xoff > r_end || c_end + xoff < r_start)
continue; continue;
if (r_start > c_start + xoff) if (r_start > c_start + xoff)
w_start = c_start + (r_start - c_start + xoff); w_start = r_start - xoff;
else else
w_start = c_start; w_start = c_start;
if (c_end + xoff > r_end) if (c_end + xoff > r_end)
w_end = c_end - (c_end + xoff - r_end); w_end = r_end - xoff;
else else
w_end = c_end; w_end = c_end;
w_length = w_end - w_start; if (w_end <= w_start)
if (w_length <= 0)
continue; continue;
w_length = w_end - w_start;
screen_write_set_cursor(ctx, w_start, y); screen_write_set_cursor(ctx, w_start, y);
if (ci->type == CLEAR) { if (ci->type == CLEAR) {