office-gobmx/external/boost/boost.file_iterator.sharing_win.patch

--- foo/misc/boost/boost/spirit/home/classic/iterator/impl/file_iterator.ipp.orig
+++ foo/misc/boost/boost/spirit/home/classic/iterator/impl/file_iterator.ipp
@@ -181,67 +181,28 @@ public:
     {}
 
     explicit mmap_file_iterator(std::string const& fileName)
-      : m_filesize(0), m_curChar(0)
-    {
-        HANDLE hFile = ::CreateFileA(
+      : mmap_file_iterator(::CreateFileA(
             fileName.c_str(),
             GENERIC_READ,
-            FILE_SHARE_READ,
+            FILE_SHARE_READ | FILE_SHARE_WRITE,
             NULL,
             OPEN_EXISTING,
             FILE_FLAG_SEQUENTIAL_SCAN,
             NULL
-        );
-
-        if (hFile == INVALID_HANDLE_VALUE)
-            return;
-
-        // Store the size of the file, it's used to construct
-        //  the end iterator
-        m_filesize = ::GetFileSize(hFile, NULL);
+        ))
+    {}
 
-        HANDLE hMap = ::CreateFileMapping(
-            hFile,
+    explicit mmap_file_iterator(std::wstring const& fileName)
+      : mmap_file_iterator(::CreateFileW(
+            fileName.c_str(),
+            GENERIC_READ,
+            FILE_SHARE_READ | FILE_SHARE_WRITE,
             NULL,
-            PAGE_READONLY,
-            0, 0,
+            OPEN_EXISTING,
+            FILE_FLAG_SEQUENTIAL_SCAN,
             NULL
-        );
-
-        if (hMap == NULL)
-        {
-            ::CloseHandle(hFile);
-            return;
-        }
-
-        LPVOID pMem = ::MapViewOfFile(
-            hMap,
-            FILE_MAP_READ,
-            0, 0, 0
-        );
-
-        if (pMem == NULL)
-        {
-            ::CloseHandle(hMap);
-            ::CloseHandle(hFile);
-            return;
-        }
-
-        // We hold both the file handle and the memory pointer.
-        // We can close the hMap handle now because Windows holds internally
-        //  a reference to it since there is a view mapped.
-        ::CloseHandle(hMap);
-
-        // It seems like we can close the file handle as well (because
-        //  a reference is hold by the filemap object).
-        ::CloseHandle(hFile);
-
-        // Store the handles inside the shared_ptr (with the custom destructors)
-        m_mem.reset(static_cast<CharT*>(pMem), ::UnmapViewOfFile);
-
-        // Start of the file
-        m_curChar = m_mem.get();
-    }
+        ))
+    {}
 
     mmap_file_iterator(const mmap_file_iterator& iter)
     { *this = iter; }
@@ -290,6 +251,59 @@ private:
     boost::shared_ptr<CharT> m_mem;
     std::size_t m_filesize;
     CharT* m_curChar;
+    
+    explicit mmap_file_iterator(HANDLE hFile)
+      : m_filesize(0), m_curChar(0)
+    {
+        if (hFile == INVALID_HANDLE_VALUE)
+            return;
+
+        // Store the size of the file, it's used to construct
+        //  the end iterator
+        m_filesize = ::GetFileSize(hFile, NULL);
+
+        HANDLE hMap = ::CreateFileMapping(
+            hFile,
+            NULL,
+            PAGE_READONLY,
+            0, 0,
+            NULL
+        );
+
+        if (hMap == NULL)
+        {
+            ::CloseHandle(hFile);
+            return;
+        }
+
+        LPVOID pMem = ::MapViewOfFile(
+            hMap,
+            FILE_MAP_READ,
+            0, 0, 0
+        );
+
+        if (pMem == NULL)
+        {
+            ::CloseHandle(hMap);
+            ::CloseHandle(hFile);
+            return;
+        }
+
+        // We hold both the file handle and the memory pointer.
+        // We can close the hMap handle now because Windows holds internally
+        //  a reference to it since there is a view mapped.
+        ::CloseHandle(hMap);
+
+        // It seems like we can close the file handle as well (because
+        //  a reference is hold by the filemap object).
+        ::CloseHandle(hFile);
+
+        // Store the handles inside the shared_ptr (with the custom destructors)
+        m_mem.reset(static_cast<CharT*>(pMem), ::UnmapViewOfFile);
+
+        // Start of the file
+        m_curChar = m_mem.get();
+    }
 };
 
 #endif // BOOST_SPIRIT_FILEITERATOR_WINDOWS
--- foo/misc/boost/boost/spirit/home/classic/iterator/file_iterator.hpp.orig
+++ foo/misc/boost/boost/spirit/home/classic/iterator/file_iterator.hpp
@@ -170,6 +170,12 @@ public:
     :   base_t(adapted_t(fileName))
     {}
 
+#ifdef BOOST_SPIRIT_FILEITERATOR_WINDOWS
+    file_iterator(std::wstring const& fileName)
+    :   base_t(adapted_t(fileName))
+    {}
+#endif
+
     file_iterator(const base_t& iter)
     :   base_t(iter)
     {}