From ae8e7f39f5b3e4f647a29d39d19cce7626528bb1 Mon Sep 17 00:00:00 2001
From: Alexander Tkachev
Date: Wed, 25 May 2016 16:32:22 +0600
Subject: CLOUD: Make download() create necessary directories

DumpFile::open() with createPath=true create would create the missing
directories from the path before opening a file. Thus, one can easily
create a file and avoid "can't open a file" error.
---
 backends/fs/windows/windows-fs.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'backends/fs/windows/windows-fs.cpp')

diff --git a/backends/fs/windows/windows-fs.cpp b/backends/fs/windows/windows-fs.cpp
index 49549b83cb..b43686f911 100644
--- a/backends/fs/windows/windows-fs.cpp
+++ b/backends/fs/windows/windows-fs.cpp
@@ -244,4 +244,36 @@ Common::WriteStream *WindowsFilesystemNode::createWriteStream() {
 	return StdioStream::makeFromPath(getPath(), true);
 }
 
+bool WindowsFilesystemNode::create(bool isDirectory) {
+	bool success;
+
+	if (isDirectory) {
+		success = CreateDirectory(toUnicode(_path.c_str()), NULL) != 0;
+	} else {
+		success = CreateFile(toUnicode(_path.c_str()), GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL) != INVALID_HANDLE_VALUE;
+	}
+
+	if (success) {
+		//this piece is copied from constructor, it checks that file exists and detects whether it's a directory
+		DWORD fileAttribs = GetFileAttributes(toUnicode(_path.c_str()));
+		if (fileAttribs != INVALID_FILE_ATTRIBUTES) {
+			_isDirectory = ((fileAttribs & FILE_ATTRIBUTE_DIRECTORY) != 0);
+			_isValid = true;
+			// Add a trailing slash, if necessary.
+			if (_isDirectory && _path.lastChar() != '\\') {
+				_path += '\\';
+			}
+
+			if (_isDirectory != isDirectory) warning("failed to create %s: got %s", isDirectory ? "directory" : "file", _isDirectory ? "directory" : "file");
+			return _isDirectory == isDirectory;
+		}
+
+		warning("WindowsFilesystemNode: Create%s() was a success, but GetFileAttributes() indicates there is no such %s",
+			    isDirectory ? "Directory" : "File", isDirectory ? "directory" : "file");
+		return false;
+	}
+
+	return false;
+}
+
 #endif //#ifdef WIN32
-- 
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