diff options
Diffstat (limited to 'src/VBox/Runtime/r3/win/RTHandleGetStandard-win.cpp')
-rw-r--r-- | src/VBox/Runtime/r3/win/RTHandleGetStandard-win.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/win/RTHandleGetStandard-win.cpp b/src/VBox/Runtime/r3/win/RTHandleGetStandard-win.cpp new file mode 100644 index 00000000..7a182859 --- /dev/null +++ b/src/VBox/Runtime/r3/win/RTHandleGetStandard-win.cpp @@ -0,0 +1,126 @@ +/* $Id: RTHandleGetStandard-win.cpp $ */ +/** @file + * IPRT - RTHandleGetStandard, Windows. + */ + +/* + * Copyright (C) 2010-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "internal/iprt.h" +#include <iprt/handle.h> + +#include <iprt/file.h> +#include <iprt/pipe.h> +#include <iprt/assert.h> +#include <iprt/errcore.h> +#include <iprt/log.h> + +#include <iprt/win/windows.h> + +#include "internal/socket.h" /* (Needs Windows.h.) */ + + +RTDECL(int) RTHandleGetStandard(RTHANDLESTD enmStdHandle, PRTHANDLE ph) +{ + /* + * Validate and convert input. + */ + AssertPtrReturn(ph, VERR_INVALID_POINTER); + DWORD dwStdHandle; + switch (enmStdHandle) + { + case RTHANDLESTD_INPUT: dwStdHandle = STD_INPUT_HANDLE; break; + case RTHANDLESTD_OUTPUT: dwStdHandle = STD_OUTPUT_HANDLE; break; + case RTHANDLESTD_ERROR: dwStdHandle = STD_ERROR_HANDLE; break; + default: + AssertFailedReturn(VERR_INVALID_PARAMETER); + } + + /* + * Is the requested descriptor valid and which IPRT handle type does it + * best map on to? + */ + HANDLE hNative = GetStdHandle(dwStdHandle); + if (hNative == INVALID_HANDLE_VALUE) + return RTErrConvertFromWin32(GetLastError()); + + DWORD dwInfo; + if (!GetHandleInformation(hNative, &dwInfo)) + return RTErrConvertFromWin32(GetLastError()); + bool const fInherit = RT_BOOL(dwInfo & HANDLE_FLAG_INHERIT); + + RTHANDLE h; + DWORD dwType = GetFileType(hNative); + switch (dwType & ~FILE_TYPE_REMOTE) + { + default: + case FILE_TYPE_UNKNOWN: + case FILE_TYPE_CHAR: + case FILE_TYPE_DISK: + h.enmType = RTHANDLETYPE_FILE; + break; + + case FILE_TYPE_PIPE: + { + DWORD cMaxInstances; + DWORD fInfo; + if (!GetNamedPipeInfo(hNative, &fInfo, NULL, NULL, &cMaxInstances)) + h.enmType = RTHANDLETYPE_SOCKET; + else + h.enmType = RTHANDLETYPE_PIPE; + break; + } + } + + /* + * Create the IPRT handle. + */ + int rc; + switch (h.enmType) + { + case RTHANDLETYPE_FILE: + rc = RTFileFromNative(&h.u.hFile, (RTHCUINTPTR)hNative); + break; + + case RTHANDLETYPE_PIPE: + rc = RTPipeFromNative(&h.u.hPipe, (RTHCUINTPTR)hNative, + (enmStdHandle == RTHANDLESTD_INPUT ? RTPIPE_N_READ : RTPIPE_N_WRITE) + | (fInherit ? RTPIPE_N_INHERIT : 0)); + break; + + case RTHANDLETYPE_SOCKET: + rc = rtSocketCreateForNative(&h.u.hSocket, (RTHCUINTPTR)hNative); + break; + + default: /* shut up gcc */ + return VERR_INTERNAL_ERROR; + } + + if (RT_SUCCESS(rc)) + *ph = h; + + return rc; +} + |