From c82fd98b275cb25122106797af00feabc5015c7f Mon Sep 17 00:00:00 2001
From: David Capello <david@igara.com>
Date: Mon, 3 Jun 2024 11:28:22 -0300
Subject: [PATCH] Add freopen() wrapper

---
 base/file_handle.cpp | 15 ++++++++++++++-
 base/file_handle.h   |  3 ++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/base/file_handle.cpp b/base/file_handle.cpp
index 363f03807..70ef13032 100644
--- a/base/file_handle.cpp
+++ b/base/file_handle.cpp
@@ -1,5 +1,5 @@
 // LAF Base Library
-// Copyright (c) 2020-2021 Igara Studio S.A.
+// Copyright (c) 2020-2024 Igara Studio S.A.
 // Copyright (c) 2001-2018 David Capello
 //
 // This file is released under the terms of the MIT license.
@@ -55,6 +55,19 @@ FILE* open_file_raw(const string& filename, const string& mode)
 #endif
 }
 
+FILE* reopen_file_raw(const string& filename, const string& mode, FILE* stream)
+{
+#if LAF_WINDOWS
+  return _wfreopen((!filename.empty() ? from_utf8(filename).c_str(): nullptr),
+                   from_utf8(mode).c_str(),
+                   stream);
+#else
+  return freopen((!filename.empty() ? filename.c_str(): nullptr),
+                 mode.c_str(),
+                 stream);
+#endif
+}
+
 FileHandle open_file(const string& filename, const string& mode)
 {
   return FileHandle(open_file_raw(filename, mode), fclose_if_valid);
diff --git a/base/file_handle.h b/base/file_handle.h
index 31db0a1e9..ef9f3e73f 100644
--- a/base/file_handle.h
+++ b/base/file_handle.h
@@ -1,5 +1,5 @@
 // LAF Base Library
-// Copyright (c) 2020 Igara Studio S.A.
+// Copyright (c) 2020-2024 Igara Studio S.A.
 // Copyright (c) 2001-2018 David Capello
 //
 // This file is released under the terms of the MIT license.
@@ -18,6 +18,7 @@ namespace base {
   using FileHandle = std::shared_ptr<FILE>;
 
   FILE* open_file_raw(const std::string& filename, const std::string& mode);
+  FILE* reopen_file_raw(const std::string& filename, const std::string& mode, FILE* stream);
   FileHandle open_file(const std::string& filename, const std::string& mode);
   FileHandle open_file_with_exception(const std::string& filename, const std::string& mode);
   FileHandle open_file_with_exception_sync_on_close(const std::string& filename, const std::string& mode);