From 7b8cf519f2884cba65087195707a964c32ec1a02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=92=D0=BB=D0=B0=D0=B4=D0=B8=D1=81=D0=BB=D0=B0=D0=B2=20?=
 =?UTF-8?q?=D0=A9=D0=B0=D0=BF=D0=BE=D0=B2?= <phprus@gmail.com>
Date: Sun, 3 Oct 2021 18:18:44 +0500
Subject: [PATCH] Replace std::shared_ptr to std::unique_ptr

---
 include/ghc/filesystem.hpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/ghc/filesystem.hpp b/include/ghc/filesystem.hpp
index e4b179a..82af327 100644
--- a/include/ghc/filesystem.hpp
+++ b/include/ghc/filesystem.hpp
@@ -2043,7 +2043,13 @@ typedef struct _REPARSE_DATA_BUFFER
 #endif
 #endif
 
-GHC_INLINE std::shared_ptr<REPARSE_DATA_BUFFER> getReparseData(const path& p, std::error_code& ec)
+template <class T>
+struct free_deleter
+{
+    void operator()(T* p) const { std::free(p); }
+};
+
+GHC_INLINE std::unique_ptr<REPARSE_DATA_BUFFER, free_deleter<REPARSE_DATA_BUFFER>> getReparseData(const path& p, std::error_code& ec)
 {
     std::shared_ptr<void> file(CreateFileW(GHC_NATIVEWP(p), 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS, 0), CloseHandle);
     if (file.get() == INVALID_HANDLE_VALUE) {
@@ -2051,7 +2057,7 @@ GHC_INLINE std::shared_ptr<REPARSE_DATA_BUFFER> getReparseData(const path& p, st
         return nullptr;
     }
 
-    std::shared_ptr<REPARSE_DATA_BUFFER> reparseData((REPARSE_DATA_BUFFER*)std::calloc(1, MAXIMUM_REPARSE_DATA_BUFFER_SIZE), std::free);
+    std::unique_ptr<REPARSE_DATA_BUFFER, free_deleter<REPARSE_DATA_BUFFER>> reparseData(reinterpret_cast<REPARSE_DATA_BUFFER*>(std::calloc(1, MAXIMUM_REPARSE_DATA_BUFFER_SIZE)));
     ULONG bufferUsed;
     if (DeviceIoControl(file.get(), FSCTL_GET_REPARSE_POINT, 0, 0, reparseData.get(), MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &bufferUsed, 0)) {
         return reparseData;