fixup! util: throw if file has !digit characters

Signed-off-by: Pranshu Srivastava <rexagod@gmail.com>
prometheus · Mar 30, 2024 · aa1c835 · aa1c835
1 parent e6bdd98
commit aa1c835
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/internal/util/parse.go b/internal/util/parse.go
@@ -88,8 +88,11 @@ func ReadUintFromFile(path string) (uint64, error) {
 		return 0, err
 	}
 	for _, c := range data {
+		if string(c) == "\n" {
+			continue
+		}
 		if !unicode.IsDigit(rune(c)) {
-			return 0, fmt.Errorf("%w: %s", strconv.ErrSyntax, path)
+			return 0, fmt.Errorf("%w ('%s'): %s", strconv.ErrSyntax, string(c), path)
 		}
 	}
 	return strconv.ParseUint(strings.TrimSpace(string(data)), 10, 64)