1 files changed, 1 insertions, 0 deletions
diff --git a/src/ninep/ctl.zig b/src/ninep/ctl.zig
index 98899edb..397f3339 100644
--- a/src/ninep/ctl.zig
+++ b/src/ninep/ctl.zig
@@ -260,6 +260,7 @@ pub fn resultsLen(p: *Pardes) u64 {
     var n: u64 = 0;
     for (p.fs.results[0..p.fs.results_len]) |serial| {
         var digits: [16]u8 = undefined;
+        // unreachable: a u32 serial and a newline fit 16
         n += (std.fmt.bufPrint(&digits, "{d}\n", .{serial}) catch unreachable).len;
     }
     return n;