diff options
Diffstat (limited to 'src/VBox/Runtime/r3/nocrt-fwrite.cpp')
-rw-r--r-- | src/VBox/Runtime/r3/nocrt-fwrite.cpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/nocrt-fwrite.cpp b/src/VBox/Runtime/r3/nocrt-fwrite.cpp new file mode 100644 index 00000000..05d108d2 --- /dev/null +++ b/src/VBox/Runtime/r3/nocrt-fwrite.cpp @@ -0,0 +1,63 @@ +/* $Id: nocrt-fwrite.cpp $ */ +/** @file + * IPRT - No-CRT - fwrite(). + */ + +/* + * Copyright (C) 2022-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define IPRT_NO_CRT_FOR_3RD_PARTY +#include "internal/nocrt.h" +#include <iprt/nocrt/stdio.h> +#include <iprt/nocrt/errno.h> +#include <iprt/assert.h> +#include <iprt/errcore.h> +#include <iprt/stream.h> + + +#undef fwrite +size_t RT_NOCRT(fwrite)(void const *pvBuf, size_t cbItem, size_t cItems, FILE *pFile) +{ + size_t cbToWrite = cbItem * cItems; + AssertReturnStmt(cbToWrite >= cbItem && cbItem >= cItems, errno = ERANGE, 0); + size_t cbWritten = 0; + int rc = RTStrmWriteEx(pFile, pvBuf, cbToWrite, &cbWritten); + if (RT_SUCCESS(rc)) + return cbWritten; + errno = RTErrConvertToErrno(rc); + return 0; +} +RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(fwrite); + |