private static void InternalReplace(String sourceFileName, String destinationFileName, String destinationBackupFileName, bool ignoreMetadataErrors)
{
Contract.Requires(sourceFileName != null);
Contract.Requires(destinationFileName != null);
String fullSrcPath = Path.GetFullPath(sourceFileName);
String fullDestPath = Path.GetFullPath(destinationFileName);
String fullBackupPath = null;
if (destinationBackupFileName != null)
{
fullBackupPath = Path.GetFullPath(destinationBackupFileName);
}
int flags = Win32Native.REPLACEFILE_WRITE_THROUGH;
if (ignoreMetadataErrors)
{
flags |= Win32Native.REPLACEFILE_IGNORE_MERGE_ERRORS;
}
bool r = Win32Native.ReplaceFile(fullDestPath, fullSrcPath, fullBackupPath, flags, IntPtr.Zero, IntPtr.Zero);
if (!r)
{
__Error.WinIOError();
}
}
public static void Replace(String sourceFileName, String destinationFileName, String destinationBackupFileName, bool ignoreMetadataErrors)
{
if (sourceFileName == null)
{
throw new ArgumentNullException("sourceFileName");
}
if (destinationFileName == null)
{
throw new ArgumentNullException("destinationFileName");
}
// Write permission to all three files, read permission to source
// and dest.
String fullSrcPath = Path.GetFullPathInternal(sourceFileName);
String fullDestPath = Path.GetFullPathInternal(destinationFileName);
String fullBackupPath = null;
if (destinationBackupFileName != null)
{
fullBackupPath = Path.GetFullPathInternal(destinationBackupFileName);
}
FileIOPermission perm = new FileIOPermission(FileIOPermissionAccess.Read | FileIOPermissionAccess.Write, new String[] { fullSrcPath, fullDestPath });
if (destinationBackupFileName != null)
{
perm.AddPathList(FileIOPermissionAccess.Write, fullBackupPath);
}
perm.Demand();
int flags = Win32Native.REPLACEFILE_WRITE_THROUGH;
if (ignoreMetadataErrors)
{
flags |= Win32Native.REPLACEFILE_IGNORE_MERGE_ERRORS;
}
bool r = Win32Native.ReplaceFile(fullDestPath, fullSrcPath, fullBackupPath, flags, IntPtr.Zero, IntPtr.Zero);
if (!r)
{
__Error.WinIOError();
}
}
private static void InternalReplace(String sourceFileName, String destinationFileName, String destinationBackupFileName, bool ignoreMetadataErrors)
{
Contract.Requires(sourceFileName != null);
Contract.Requires(destinationFileName != null);
// Write permission to all three files, read permission to source
// and dest.
String fullSrcPath = Path.GetFullPath(sourceFileName);
String fullDestPath = Path.GetFullPath(destinationFileName);
String fullBackupPath = null;
if (destinationBackupFileName != null)
{
fullBackupPath = Path.GetFullPath(destinationBackupFileName);
}
FileSecurityState sourceState = new FileSecurityState(FileSecurityStateAccess.Read | FileSecurityStateAccess.Write, sourceFileName, fullSrcPath);
FileSecurityState destState = new FileSecurityState(FileSecurityStateAccess.Read | FileSecurityStateAccess.Write, destinationFileName, fullDestPath);
FileSecurityState backupState = new FileSecurityState(FileSecurityStateAccess.Read | FileSecurityStateAccess.Write, destinationBackupFileName, fullBackupPath);
sourceState.EnsureState();
destState.EnsureState();
backupState.EnsureState();
int flags = Win32Native.REPLACEFILE_WRITE_THROUGH;
if (ignoreMetadataErrors)
{
flags |= Win32Native.REPLACEFILE_IGNORE_MERGE_ERRORS;
}
bool r = Win32Native.ReplaceFile(fullDestPath, fullSrcPath, fullBackupPath, flags, IntPtr.Zero, IntPtr.Zero);
if (!r)
{
__Error.WinIOError();
}
}
