public static void CopyFile(string sourceFullPath, string destFullPath, bool overwrite)
{
long fileLength;
UnixFileMode filePermissions;
using SafeFileHandle src = SafeFileHandle.OpenReadOnly(sourceFullPath, FileOptions.None, out fileLength, out filePermissions);
using SafeFileHandle dst = SafeFileHandle.Open(destFullPath, overwrite ? FileMode.Create : FileMode.CreateNew,
FileAccess.ReadWrite, FileShare.None, FileOptions.None, preallocationSize: 0, filePermissions,
CreateOpenException);
Interop.CheckIo(Interop.Sys.CopyFile(src, dst, fileLength));
public static void CopyFile(string sourceFullPath, string destFullPath, bool overwrite)
{
long fileLength;
Interop.Sys.Permissions filePermissions;
using SafeFileHandle src = SafeFileHandle.OpenReadOnly(sourceFullPath, FileOptions.None, out fileLength, out filePermissions);
using SafeFileHandle dst = SafeFileHandle.Open(destFullPath, overwrite ? FileMode.Create : FileMode.CreateNew,
FileAccess.ReadWrite, FileShare.None, FileOptions.None, preallocationSize: 0, openPermissions: filePermissions,
(Interop.ErrorInfo error, Interop.Sys.OpenFlags flags, string path) => CreateOpenException(error, flags, path));
Interop.CheckIo(Interop.Sys.CopyFile(src, dst, fileLength));
