3 files changed, 72 insertions, 0 deletions
diff --git a/libc/src/time/baremetal/CMakeLists.txt b/libc/src/time/baremetal/CMakeLists.txt
index 3072c8b14959..cbe9cf3db3e2 100644
--- a/libc/src/time/baremetal/CMakeLists.txt
+++ b/libc/src/time/baremetal/CMakeLists.txt
@@ -19,3 +19,29 @@ add_entrypoint_object(
     libc.hdr.time_macros
     libc.hdr.types.struct_timespec
 )
+
+add_entrypoint_object(
+  localtime
+  SRCS
+    localtime.cpp
+  HDRS
+    ../localtime.h
+    time_utils.h
+  DEPENDS
+    .time_utils
+    libc.hdr.types.struct_tm
+    libc.hdr.types.time_t
+)
+
+add_entrypoint_object(
+  localtime_r
+  SRCS
+    localtime_r.cpp
+  HDRS
+    ../localtime.h
+    time_utils.h
+  DEPENDS
+    .time_utils
+    libc.hdr.types.struct_tm
+    libc.hdr.types.time_t
+)
diff --git a/libc/src/time/baremetal/localtime.cpp b/libc/src/time/baremetal/localtime.cpp
new file mode 100644
index 000000000000..d39c2738e81a
--- /dev/null
+++ b/libc/src/time/baremetal/localtime.cpp
@@ -0,0 +1,22 @@
+//===-- Implementation of localtime for baremetal -------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/time/localtime.h"
+#include "hdr/types/struct_tm.h"
+#include "hdr/types/time_t.h"
+#include "src/time/time_utils.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(struct tm *, localtime, (time_t *timer)) {
+  static struct tm tm_out;
+
+  return time_utils::localtime_internal(timer, &tm_out);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/time/baremetal/localtime_r.cpp b/libc/src/time/baremetal/localtime_r.cpp
new file mode 100644
index 000000000000..3b57450ca449
--- /dev/null
+++ b/libc/src/time/baremetal/localtime_r.cpp
@@ -0,0 +1,24 @@
+//===-- Implementation of localtime_r for baremetal -----------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/time/localtime_r.h"
+#include "hdr/types/struct_tm.h"
+#include "hdr/types/time_t.h"
+#include "src/__support/macros/null_check.h"
+#include "src/time/time_utils.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(struct tm *, localtime_r,
+                   (const time_t *timer, struct tm *buf)) {
+  LIBC_CRASH_ON_NULLPTR(timer);
+
+  return time_utils::localtime_internal(timer, buf);
+}
+
+} // namespace LIBC_NAMESPACE_DECL