An error on a column's ctl, exec or rmdir names that file in the log

noteError named every column node col/<serial>/tag, so a refused ctl write
or rmdir pointed at the tag. It now names col/<serial>/ctl, /exec, /tag or
the directory itself.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/ninep/events.zig b/src/ninep/events.zig
index ccc61352..7402a763 100644
--- a/src/ninep/events.zig
+++ b/src/ninep/events.zig
@@ -165,7 +165,7 @@ pub fn notePath(p: *Pardes, what: []const u8, path: []const u8) void {
 
 pub fn noteError(p: *Pardes, req: Req, reply: Reply) void {
     const why = if (reply.ename.len > 0) reply.ename else cloud9.fs.errString(reply.errno);
-    var name: [16]u8 = undefined;
+    var name: [32]u8 = undefined;
     var serial: []const u8 = "-";
     var file: []const u8 = "os";
     if (req.node & tree.sources.archive_node != 0) file = "src";
@@ -174,7 +174,10 @@ pub fn noteError(p: *Pardes, req: Req, reply: Reply) void {
             .top => |f| file = f.fileName(),
             .col => |c| {
                 serial = "-";
-                file = std.fmt.bufPrint(&name, "col/{d}/tag", .{c.serial}) catch "col";
+                file = (if (c.file == .dir)
+                    std.fmt.bufPrint(&name, "col/{d}", .{c.serial})
+                else
+                    std.fmt.bufPrint(&name, "col/{d}/{s}", .{ c.serial, @tagName(c.file) })) catch "col";
             },
             .pane => |pt| {
                 serial = std.fmt.bufPrint(&name, "{d}", .{pt.serial}) catch "-";