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fix: replace manual zero-guarded divisions with checked_div

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jasonwitty
2026-05-17 05:22:56 -07:00
parent f7fbd648cb
commit 7999bdef76
2 changed files with 12 additions and 20 deletions
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socktop/src/ui/cpu.rs
+9 -15
View File
@@ -133,11 +133,9 @@ pub fn per_core_handle_scrollbar_mouse(
}
let thumb_len = (track * view).div_ceil(total).max(1).min(track);
let top_for_offset = |off: usize| -> usize {
if max_off == 0 {
0
} else {
((track - thumb_len) * off + max_off / 2) / max_off
}
((track - thumb_len) * off + max_off / 2)
.checked_div(max_off)
.unwrap_or(0)
};
let thumb_top = top_for_offset(offset);
@@ -190,11 +188,9 @@ pub fn per_core_handle_scrollbar_mouse(
// Inverse mapping top -> offset
if track > thumb_len {
let denom = track - thumb_len;
offset = if max_off == 0 {
0
} else {
(new_top * max_off + denom / 2) / denom
};
offset = (new_top * max_off + denom / 2)
.checked_div(denom)
.unwrap_or(0);
} else {
offset = 0;
}
@@ -411,11 +407,9 @@ pub fn draw_per_core_bars(
let max_off = total.saturating_sub(view);
let thumb_len = (track * view).div_ceil(total).max(1).min(track);
let thumb_top = if max_off == 0 {
0
} else {
((track - thumb_len) * offset + max_off / 2) / max_off
};
let thumb_top = ((track - thumb_len) * offset + max_off / 2)
.checked_div(max_off)
.unwrap_or(0);
// Build lines: top arrow, track (with thumb), bottom arrow
let mut lines: Vec<Line> = Vec::with_capacity(scroll_area.height as usize);
socktop/src/ui/processes.rs
+3 -5
View File
@@ -307,11 +307,9 @@ pub fn draw_top_processes(f: &mut ratatui::Frame<'_>, area: Rect, params: Proces
let max_off = total.saturating_sub(view);
let thumb_len = (track * view).div_ceil(total).max(1).min(track);
let thumb_top = if max_off == 0 {
0
} else {
((track - thumb_len) * offset + max_off / 2) / max_off
};
let thumb_top = ((track - thumb_len) * offset + max_off / 2)
.checked_div(max_off)
.unwrap_or(0);
// Build lines: top arrow, track (with thumb), bottom arrow
let mut lines: Vec<Line> = Vec::with_capacity(scroll_area.height as usize);