[PATCH v4 3/4] create CopyFile2_impl that uses SetLastError error handling

[Kartavya Vashishtha]

From: Kartavya Vashishtha

- add FIXME messages for callback and cancel_ptr parameters in CopyFile2 and CopyFileEx

- initialize all elements of CopyFile2 params
---
 dlls/kernelbase/file.c | 63 +++++++++++++++++++++++++++---------------
 1 file changed, 41 insertions(+), 22 deletions(-)

diff --git a/dlls/kernelbase/file.c b/dlls/kernelbase/file.c
index cc21f11117a..22fb00926fb 100644
--- a/dlls/kernelbase/file.c
+++ b/dlls/kernelbase/file.c
@@ -487,15 +487,9 @@ BOOL WINAPI DECLSPEC_HOTPATCH AreFileApisANSI(void)
     return !oem_file_apis;
 }

-/***********************************************************************
- *	CopyFile2   (kernelbase.@)
- * 
- * FIXME: Silently ignores:
- * the callback function
- * cancel_ptr
- */
-HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EXTENDED_PARAMETERS* params) {
-    static const int buffer_size = 65536;
+// uses the SetLastError style of error handling
+static BOOL CopyFile2_impl ( const PCWSTR source, const PCWSTR dest, COPYFILE2_EXTENDED_PARAMETERS* params) {
+        static const int buffer_size = 65536;
     HANDLE h1, h2;
     FILE_BASIC_INFORMATION info;
     IO_STATUS_BLOCK io;
@@ -504,14 +498,24 @@ HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EX
     char *buffer;

DWORD flags = params ? params->dwCopyFlags : 0;
+    BOOL *cancel_ptr = params ? params->pfCancel : NULL;
+    PCOPYFILE2_PROGRESS_ROUTINE progress = params ? params->pProgressRoutine : NULL;
+    void *callback_context = params ? params->pvCallbackContext : NULL;
+
+    if (cancel_ptr)
+        FIXME("pfCancel is not supported\n");
+    if (progress)
+        FIXME("PCOPYFILE2_PROGRESS_ROUTINE is not supported\n");

if (!source || !dest)
     {
-        return HRESULT_FROM_WIN32( ERROR_PATH_NOT_FOUND );
+        SetLastError( ERROR_PATH_NOT_FOUND );
+        return FALSE;
     }
     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size )))
     {
-        return HRESULT_FROM_WIN32( ERROR_NOT_ENOUGH_MEMORY );
+        SetLastError( ERROR_NOT_ENOUGH_MEMORY );
+        return FALSE;
     }

TRACE("%s -> %s, %lx\n", debugstr_w(source), debugstr_w(dest), flags);
@@ -528,7 +532,8 @@ HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EX
     {
         WARN("Unable to open source %s\n", debugstr_w(source));
         HeapFree( GetProcessHeap(), 0, buffer );
-        return HRESULT_FROM_WIN32( ERROR_FILE_NOT_FOUND );
+        SetLastError( ERROR_FILE_NOT_FOUND );
+        return FALSE;
     }

if (!set_ntstatus( NtQueryInformationFile( h1, &io, &info, sizeof(info), FileBasicInformation )))
@@ -536,7 +541,7 @@ HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EX
         WARN("GetFileInformationByHandle returned error for %s\n", debugstr_w(source));
         HeapFree( GetProcessHeap(), 0, buffer );
         CloseHandle( h1 );
-        return HRESULT_FROM_WIN32( GetLastError() );
+        return FALSE;
     }

if (!(flags & COPY_FILE_FAIL_IF_EXISTS))
@@ -552,7 +557,8 @@ HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EX
         {
             HeapFree( GetProcessHeap(), 0, buffer );
             CloseHandle( h1 );
-            return HRESULT_FROM_WIN32( ERROR_SHARING_VIOLATION );
+            SetLastError( ERROR_SHARING_VIOLATION );
+            return FALSE;
         }
     }

@@ -563,7 +569,7 @@ HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EX
         WARN("Unable to open dest %s\n", debugstr_w(dest));
         HeapFree( GetProcessHeap(), 0, buffer );
         CloseHandle( h1 );
-        return HRESULT_FROM_WIN32( GetLastError() );
+        return FALSE;
     }

while (ReadFile( h1, buffer, buffer_size, &count, NULL ) && count)
@@ -577,7 +583,7 @@ HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EX
             count -= res;
         }
     }
-    ret = S_OK;
+    ret = TRUE;
 done:
     /* Maintain the timestamp of source file to destination file */
     info.FileAttributes = 0;
@@ -588,6 +594,16 @@ done:
     return ret;
 }

+/***********************************************************************
+ *	CopyFile2   (kernelbase.@)
+ */
+HRESULT WINAPI CopyFile2 ( const PCWSTR source , const PCWSTR dest, COPYFILE2_EXTENDED_PARAMETERS* params) {
+    if (CopyFile2_impl(source, dest, params)) {
+        return S_OK;
+    }
+    return HRESULT_FROM_WIN32(GetLastError());
+}
+

/***********************************************************************
  *	CopyFileExW   (kernelbase.@)
@@ -595,17 +611,20 @@ done:
 BOOL WINAPI CopyFileExW( const WCHAR *source, const WCHAR *dest, LPPROGRESS_ROUTINE progress,
                          void *param, BOOL *cancel_ptr, DWORD flags )
 {
-    HRESULT ret;
     COPYFILE2_EXTENDED_PARAMETERS params;

+    if (progress)
+        FIXME("LPPROGRESS_ROUTINE is not supported\n");
+    if (cancel_ptr)
+        FIXME("cancel_ptr is not supported\n");
+
     params.dwSize = sizeof(params);
     params.dwCopyFlags = flags;
+    params.pProgressRoutine = NULL;
+    params.pvCallbackContext = NULL;
+    params.pfCancel = NULL;

-    ret = CopyFile2( source, dest, &params );
-    if (ret != S_OK) {
-        SetLastError( ret );
-    }
-    return SUCCEEDED(ret);
+    return CopyFile2_impl( source, dest, &params );
 }