From 370ab6906a6e1c9cf1853acfba29c3acd1c71d7b Mon Sep 17 00:00:00 2001
From: Melvin Walls <mwalls67@gmail.com>
Date: Mon, 23 Jan 2023 21:02:29 -0800
Subject: [PATCH] [cpp] return managed Tuple from MakeDirCacheKey()

mycpp generates code that uses pointers at the call sites for this
function.
---
 cpp/core.cc      | 4 ++--
 cpp/core.h       | 2 +-
 cpp/core_test.cc | 6 +++---
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/cpp/core.cc b/cpp/core.cc
index d37ce4dde7..1c01b9bba8 100644
--- a/cpp/core.cc
+++ b/cpp/core.cc
@@ -267,13 +267,13 @@ void InitShell() {
   gSignalHandler->signal_queue_ = AllocSignalQueue();
 }
 
-Tuple2<Str*, int> MakeDirCacheKey(Str* path) {
+Tuple2<Str*, int>* MakeDirCacheKey(Str* path) {
   struct stat st;
   if (::stat(path->data(), &st) == -1) {
     throw Alloc<OSError>(errno);
   }
 
-  return Tuple2<Str*, int>(path, st.st_mtime);
+  return Alloc<Tuple2<Str*, int>>(path, st.st_mtime);
 }
 
 }  // namespace pyos
diff --git a/cpp/core.h b/cpp/core.h
index bbb40eaf9b..f418b71a86 100644
--- a/cpp/core.h
+++ b/cpp/core.h
@@ -125,7 +125,7 @@ void SetSigwinchCode(int code);
 
 void InitShell();
 
-Tuple2<Str*, int> MakeDirCacheKey(Str* path);
+Tuple2<Str*, int>* MakeDirCacheKey(Str* path);
 
 }  // namespace pyos
 
diff --git a/cpp/core_test.cc b/cpp/core_test.cc
index 9969f2c3f4..09378b125f 100644
--- a/cpp/core_test.cc
+++ b/cpp/core_test.cc
@@ -286,9 +286,9 @@ TEST dir_cache_key_test() {
   struct stat st;
   ASSERT(::stat("/", &st) == 0);
 
-  Tuple2<Str*, int> key = pyos::MakeDirCacheKey(StrFromC("/"));
-  ASSERT(str_equals(key.at0(), StrFromC("/")));
-  ASSERT(key.at1() == st.st_mtime);
+  Tuple2<Str*, int>* key = pyos::MakeDirCacheKey(StrFromC("/"));
+  ASSERT(str_equals(key->at0(), StrFromC("/")));
+  ASSERT(key->at1() == st.st_mtime);
 
   int ec = -1;
   try {