| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/LibreOffice/basic/source/comp/ (Office von Apache Version 25.8.3.2©) Datei vom 5.10.2025 mit Größe 2 kB |
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Quelle buffer.cxx Sprache: C |
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include <buffer.hxx> #include <basic/sberrors.hxx> namespace { const sal_uInt32 UP_LIMIT=0xFFFFFF00; template <class I, typename T> void write(I it, T n) { *it = static_cast<sal_uInt8>(n & 0xFF); // coverity[stray_semicolon : FALSE] - coverity parse error if constexpr (sizeof(n) > 1) { for (std::size_t i = 1; i < sizeof(n); ++i) { n >>= 8; *++it = static_cast<sal_uInt8>(n & 0xFF); } } } } template <typename T> void SbiBuffer::append(T n) { if (m_aErrCode) return; if ((m_aBuf.size() + sizeof(n)) > UP_LIMIT) { m_aErrCode = ERRCODE_BASIC_PROG_TOO_LARGE; m_aBuf.clear(); return; } write(std::back_inserter(m_aBuf), n); } void SbiBuffer::operator+=(sal_Int8 n) { append(n); } void SbiBuffer::operator+=(sal_Int16 n) { append(n); } void SbiBuffer::operator+=(sal_uInt8 n) { append(n); } void SbiBuffer::operator+=(sal_uInt16 n) { append(n); } void SbiBuffer::operator+=(sal_uInt32 n) { append(n); } void SbiBuffer::operator+=(sal_Int32 n) { append(n); } // Patch of a Location void SbiBuffer::Patch( sal_uInt32 off, sal_uInt32 val ) { if (m_aErrCode) return; if ((off + sizeof(sal_uInt32)) <= GetSize()) write(m_aBuf.begin() + off, val); } // Forward References upon label and procedures // establish a linkage. The beginning of the linkage is at the passed parameter, // the end of the linkage is 0. void SbiBuffer::Chain( sal_uInt32 off ) { if (m_aErrCode) return; for (sal_uInt32 i = off; i;) { if ((i + sizeof(sal_uInt32)) > GetSize()) { m_aErrCode = ERRCODE_BASIC_INTERNAL_ERROR; m_sErrMsg = u"BACKCHAIN"_ustr; break; } auto ip = m_aBuf.begin() + i; i = ip[0] | (ip[1] << 8) | (ip[2] << 16) | (ip[3] << 24); write(ip, GetSize()); } } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ¤ Dauer der Verarbeitung: 0.10 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28