| 1 | /* $Id: nocrt-streams-win.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - No-CRT - minimal stream implementation
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2024 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.virtualbox.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * The contents of this file may alternatively be used under the terms
|
|---|
| 26 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
|
|---|
| 28 | * in the VirtualBox distribution, in which case the provisions of the
|
|---|
| 29 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 30 | *
|
|---|
| 31 | * You may elect to license modified versions of this file under the
|
|---|
| 32 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 33 | *
|
|---|
| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 | /*********************************************************************************************************************************
|
|---|
| 39 | * Header Files *
|
|---|
| 40 | *********************************************************************************************************************************/
|
|---|
| 41 | #include "internal/iprt.h"
|
|---|
| 42 | #include <iprt/stream.h>
|
|---|
| 43 |
|
|---|
| 44 | #include <iprt/nt/nt-and-windows.h>
|
|---|
| 45 |
|
|---|
| 46 | #include <iprt/ctype.h>
|
|---|
| 47 | #include <iprt/file.h>
|
|---|
| 48 | #include <iprt/string.h>
|
|---|
| 49 |
|
|---|
| 50 |
|
|---|
| 51 |
|
|---|
| 52 | /*********************************************************************************************************************************
|
|---|
| 53 | * Structures and Typedefs *
|
|---|
| 54 | *********************************************************************************************************************************/
|
|---|
| 55 | typedef struct PRINTFBUF
|
|---|
| 56 | {
|
|---|
| 57 | HANDLE hNative;
|
|---|
| 58 | size_t offBuf;
|
|---|
| 59 | char szBuf[128];
|
|---|
| 60 | } PRINTFBUF;
|
|---|
| 61 |
|
|---|
| 62 | struct RTSTREAM
|
|---|
| 63 | {
|
|---|
| 64 | int iStream;
|
|---|
| 65 | HANDLE hNative;
|
|---|
| 66 | RTFILE hFile;
|
|---|
| 67 | };
|
|---|
| 68 |
|
|---|
| 69 |
|
|---|
| 70 | /*********************************************************************************************************************************
|
|---|
| 71 | * Defined Constants And Macros *
|
|---|
| 72 | *********************************************************************************************************************************/
|
|---|
| 73 | #define MAKE_SURE_WE_HAVE_HFILE_RETURN(a_pStream) do { \
|
|---|
| 74 | if ((a_pStream)->hFile != NIL_RTFILE) \
|
|---|
| 75 | break; \
|
|---|
| 76 | int rc = RTFileFromNative(&(a_pStream)->hFile, (uintptr_t)(a_pStream)->hNative); \
|
|---|
| 77 | AssertRCReturn(rc, rc); \
|
|---|
| 78 | } while (0)
|
|---|
| 79 |
|
|---|
| 80 |
|
|---|
| 81 | /*********************************************************************************************************************************
|
|---|
| 82 | * Global Variables *
|
|---|
| 83 | *********************************************************************************************************************************/
|
|---|
| 84 | RTSTREAM g_aStdStreams[3] =
|
|---|
| 85 | {
|
|---|
| 86 | { 0, NULL, NIL_RTFILE },
|
|---|
| 87 | { 1, NULL, NIL_RTFILE },
|
|---|
| 88 | { 2, NULL, NIL_RTFILE },
|
|---|
| 89 | };
|
|---|
| 90 |
|
|---|
| 91 | RTSTREAM *g_pStdIn = &g_aStdStreams[0];
|
|---|
| 92 | RTSTREAM *g_pStdOut = &g_aStdStreams[1];
|
|---|
| 93 | RTSTREAM *g_pStdErr = &g_aStdStreams[2];
|
|---|
| 94 |
|
|---|
| 95 |
|
|---|
| 96 |
|
|---|
| 97 | DECLHIDDEN(void) InitStdHandles(PRTL_USER_PROCESS_PARAMETERS pParams)
|
|---|
| 98 | {
|
|---|
| 99 | if (pParams)
|
|---|
| 100 | {
|
|---|
| 101 | g_pStdIn->hNative = pParams->StandardInput;
|
|---|
| 102 | g_pStdOut->hNative = pParams->StandardOutput;
|
|---|
| 103 | g_pStdErr->hNative = pParams->StandardError;
|
|---|
| 104 | }
|
|---|
| 105 | }
|
|---|
| 106 |
|
|---|
| 107 |
|
|---|
| 108 | static void FlushPrintfBuffer(PRINTFBUF *pBuf)
|
|---|
| 109 | {
|
|---|
| 110 | if (pBuf->offBuf)
|
|---|
| 111 | {
|
|---|
| 112 | DWORD cbWritten = 0;
|
|---|
| 113 | WriteFile(pBuf->hNative, pBuf->szBuf, (DWORD)pBuf->offBuf, &cbWritten, NULL);
|
|---|
| 114 | pBuf->offBuf = 0;
|
|---|
| 115 | pBuf->szBuf[0] = '\0';
|
|---|
| 116 | }
|
|---|
| 117 | }
|
|---|
| 118 |
|
|---|
| 119 |
|
|---|
| 120 | /** @callback_method_impl{FNRTSTROUTPUT} */
|
|---|
| 121 | static DECLCALLBACK(size_t) MyPrintfOutputter(void *pvArg, const char *pachChars, size_t cbChars)
|
|---|
| 122 | {
|
|---|
| 123 | PRINTFBUF *pBuf = (PRINTFBUF *)pvArg;
|
|---|
| 124 | if (cbChars != 0)
|
|---|
| 125 | {
|
|---|
| 126 | size_t offSrc = 0;
|
|---|
| 127 | while (offSrc < cbChars)
|
|---|
| 128 | {
|
|---|
| 129 | size_t cbLeft = sizeof(pBuf->szBuf) - pBuf->offBuf - 1;
|
|---|
| 130 | if (cbLeft > 0)
|
|---|
| 131 | {
|
|---|
| 132 | size_t cbToCopy = RT_MIN(cbChars - offSrc, cbLeft);
|
|---|
| 133 | memcpy(&pBuf->szBuf[pBuf->offBuf], &pachChars[offSrc], cbToCopy);
|
|---|
| 134 | pBuf->offBuf += cbToCopy;
|
|---|
| 135 | pBuf->szBuf[pBuf->offBuf] = '\0';
|
|---|
| 136 | if (cbLeft > cbToCopy)
|
|---|
| 137 | break;
|
|---|
| 138 | offSrc += cbToCopy;
|
|---|
| 139 | }
|
|---|
| 140 | FlushPrintfBuffer(pBuf);
|
|---|
| 141 | }
|
|---|
| 142 | }
|
|---|
| 143 | else /* Special zero byte write at the end of the formatting. */
|
|---|
| 144 | FlushPrintfBuffer(pBuf);
|
|---|
| 145 | return cbChars;
|
|---|
| 146 | }
|
|---|
| 147 |
|
|---|
| 148 |
|
|---|
| 149 | RTR3DECL(int) RTStrmPrintfV(PRTSTREAM pStream, const char *pszFormat, va_list args)
|
|---|
| 150 | {
|
|---|
| 151 | PRINTFBUF Buf;
|
|---|
| 152 | Buf.hNative = pStream->hNative;
|
|---|
| 153 | Buf.offBuf = 0;
|
|---|
| 154 | Buf.szBuf[0] = '\0';
|
|---|
| 155 |
|
|---|
| 156 | return (int)RTStrFormatV(MyPrintfOutputter, &Buf, NULL, NULL, pszFormat, args);
|
|---|
| 157 | }
|
|---|
| 158 |
|
|---|
| 159 |
|
|---|
| 160 | RTR3DECL(int) RTStrmPrintf(PRTSTREAM pStream, const char *pszFormat, ...)
|
|---|
| 161 | {
|
|---|
| 162 | va_list args;
|
|---|
| 163 | va_start(args, pszFormat);
|
|---|
| 164 | int rc = RTStrmPrintfV(pStream, pszFormat, args);
|
|---|
| 165 | va_end(args);
|
|---|
| 166 | return rc;
|
|---|
| 167 | }
|
|---|
| 168 |
|
|---|
| 169 |
|
|---|
| 170 | RTR3DECL(int) RTPrintfV(const char *pszFormat, va_list va)
|
|---|
| 171 | {
|
|---|
| 172 | PRINTFBUF Buf;
|
|---|
| 173 | Buf.hNative = g_pStdOut->hNative;
|
|---|
| 174 | Buf.offBuf = 0;
|
|---|
| 175 | Buf.szBuf[0] = '\0';
|
|---|
| 176 |
|
|---|
| 177 | return (int)RTStrFormatV(MyPrintfOutputter, &Buf, NULL, NULL, pszFormat, va);
|
|---|
| 178 | }
|
|---|
| 179 |
|
|---|
| 180 |
|
|---|
| 181 | RTR3DECL(int) RTPrintf(const char *pszFormat, ...)
|
|---|
| 182 | {
|
|---|
| 183 | va_list va;
|
|---|
| 184 | va_start(va, pszFormat);
|
|---|
| 185 | int rc = RTPrintfV(pszFormat, va);
|
|---|
| 186 | va_end(va);
|
|---|
| 187 | return rc;
|
|---|
| 188 | }
|
|---|
| 189 |
|
|---|
| 190 | #ifndef IPRT_MINIMAL_STREAM
|
|---|
| 191 |
|
|---|
| 192 | # if 0
|
|---|
| 193 | RTR3DECL(int) RTStrmReadEx(PRTSTREAM pStream, void *pvBuf, size_t cbToRead, size_t *pcbRead)
|
|---|
| 194 | {
|
|---|
| 195 | MAKE_SURE_WE_HAVE_HFILE_RETURN(pStream);
|
|---|
| 196 | return RTFileRead(pStream->hFile, pvBuf, cbToRead, pcbRead);
|
|---|
| 197 | }
|
|---|
| 198 | # endif
|
|---|
| 199 |
|
|---|
| 200 |
|
|---|
| 201 | RTR3DECL(int) RTStrmWriteEx(PRTSTREAM pStream, const void *pvBuf, size_t cbToWrite, size_t *pcbWritten)
|
|---|
| 202 | {
|
|---|
| 203 | MAKE_SURE_WE_HAVE_HFILE_RETURN(pStream);
|
|---|
| 204 | return RTFileWrite(pStream->hFile, pvBuf, cbToWrite, pcbWritten);
|
|---|
| 205 | }
|
|---|
| 206 |
|
|---|
| 207 |
|
|---|
| 208 | RTR3DECL(int) RTStrmFlush(PRTSTREAM pStream)
|
|---|
| 209 | {
|
|---|
| 210 | MAKE_SURE_WE_HAVE_HFILE_RETURN(pStream);
|
|---|
| 211 | return RTFileFlush(pStream->hFile);
|
|---|
| 212 | }
|
|---|
| 213 |
|
|---|
| 214 |
|
|---|
| 215 | RTR3DECL(int) RTStrmSetMode(PRTSTREAM pStream, int fBinary, int fCurrentCodeSet)
|
|---|
| 216 | {
|
|---|
| 217 | AssertReturn(fBinary != (int)false, VERR_NOT_IMPLEMENTED);
|
|---|
| 218 | AssertReturn(fCurrentCodeSet <= (int)false, VERR_NOT_IMPLEMENTED);
|
|---|
| 219 | RT_NOREF(pStream);
|
|---|
| 220 | return VINF_SUCCESS;
|
|---|
| 221 | }
|
|---|
| 222 |
|
|---|
| 223 | #endif
|
|---|
