Update guards/github-guard/rust-guard/src/lib.rs

lpcox · Copilot · web-flow · commit c0dc2a4d53be · 2026-04-13T09:05:02.000-07:00
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/guards/github-guard/rust-guard/src/lib.rs b/guards/github-guard/rust-guard/src/lib.rs
@@ -35,7 +35,11 @@ fn safe_preview(s: &str, max_bytes: usize) -> &str {
     if s.len() <= max_bytes {
         return s;
     }
-    let end = s.floor_char_boundary(max_bytes);
+
+    let mut end = max_bytes;
+    while end > 0 && !s.is_char_boundary(end) {
+        end -= 1;
+    }
     &s[..end]
 }
 

Original file line number	Diff line number	Diff line change
`@@ -35,7 +35,11 @@ fn safe_preview(s: &str, max_bytes: usize) -> &str {`
`35`	`35`	`if s.len() <= max_bytes {`
`36`	`36`	`return s;`
`37`	`37`	`}`
`38`		`- let end = s.floor_char_boundary(max_bytes);`
	`38`	`+`
	`39`	`+ let mut end = max_bytes;`
	`40`	`+ while end > 0 && !s.is_char_boundary(end) {`
	`41`	`+ end -= 1;`
	`42`	`+ }`
`39`	`43`	`&s[..end]`
`40`	`44`	`}`
`41`	`45`