fix(log): reject arguments to close

docs/docs/namespaces/log.md

@@ -18,7 +18,7 @@ The journal is intentionally minimal: there's no per-entry timestamp or transact
 | [`.log.roll`](#log-roll) | nullary | restricted | Close the active segment and start a new one. |
 | [`.log.replay`](#log-replay) | unary | restricted | Replay a journal file; return entry count. |
 | [`.log.validate`](#log-validate) | unary | — | Scan a journal file; return `(chunks valid_bytes)`. |
-| [`.log.close`](#log-close) | variadic | restricted | Flush and close the active journal. |
+| [`.log.close`](#log-close) | nullary | restricted | Flush and close the active journal. |
 | [`.log.purge`](#log-purge) | nullary | restricted | Close the active journal and delete all its files. |
 
 ## `.log.open` { #log-open }

src/ops/journal.c

@@ -218,7 +218,8 @@ ray_t* ray_log_sync_fn(ray_t** args, int64_t n) {
 }
 
 ray_t* ray_log_close_fn(ray_t** args, int64_t n) {
-    (void)args; (void)n;
+    (void)args;
+    if (n != 0) return ray_error("arity", ".log.close takes no arguments");
     return err_to_ray(ray_journal_close(), "io");
 }
 

test/rfl/journal/ops_journal_wrappers.rfl

@@ -43,6 +43,7 @@
 ;; left a journal open would make our .log.open fail with "already open".
 ;; Close defensively first (no-op + RAY_OK if already closed).
 (nil? (.log.close)) -- true
+(.log.close 1) !- arity
 (.sys.exec "rm -f /tmp/rfl_ops_journal_wrap.log /tmp/rfl_ops_journal_wrap.qdb /tmp/rfl_ops_journal_wrap.qdb.tmp /tmp/rfl_ops_journal_wrap.*.log")
 
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