Fix 'attempt to divide by zero' panic (helix-editor#6155)

nuid64 · wes-adams · commit 75fb80f2a782 · 2023-07-03T18:39:34.000-04:00
diff --git a/helix-term/src/ui/text.rs b/helix-term/src/ui/text.rs
@@ -58,7 +58,7 @@ pub fn required_size(text: &tui::text::Text, max_text_width: u16) -> (u16, u16)
         let content_width = content.width() as u16;
         if content_width > max_text_width {
             text_width = max_text_width;
-            height += content_width / max_text_width;
+            height += content_width.checked_div(max_text_width).unwrap_or(0);
         } else if content_width > text_width {
             text_width = content_width;
         }

Original file line number	Diff line number	Diff line change
`@@ -58,7 +58,7 @@ pub fn required_size(text: &tui::text::Text, max_text_width: u16) -> (u16, u16)`
`58`	`58`	`let content_width = content.width() as u16;`
`59`	`59`	`if content_width > max_text_width {`
`60`	`60`	`text_width = max_text_width;`
`61`		`- height += content_width / max_text_width;`
	`61`	`+ height += content_width.checked_div(max_text_width).unwrap_or(0);`
`62`	`62`	`} else if content_width > text_width {`
`63`	`63`	`text_width = content_width;`
`64`	`64`	`}`