torstenandCopilot
342ffd3e5c
- HandlerMinelayerData: BUILD_RTI Guards für RTI-Abhängigkeiten - svcTabCommon: Export-Header-Fix via Fallback-Target - TrainingAreaBase: Stub-Header für BUILD_RTI=OFF - ddsfts: Include-Pfad und Dependency-Fixes - BUILD_RTI=OFF Compilation vollständig unterstützt Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Entire-Checkpoint: 01M0JNZA586SACX1PRZ2DJAE5S
123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
/*
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* (c) Copyright, Real-Time Innovations, 2016-.
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* All rights reserved.
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* No duplications, whole or partial, manual or electronic, may be made
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* without express written permission. Any such copies, or
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* revisions thereof, must display this notice unaltered.
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* This code contains trade secrets of Real-Time Innovations, Inc.
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*/
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#ifndef APPUTILS_HPP_
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#define APPUTILS_HPP_
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// IMPORTANT: macros.hpp must be the first RTI header included in every header
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// file so that symbols are exported correctly on Windows
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#include <dds/core/macros.hpp>
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <limits>
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#include <string>
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#include <sstream>
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#include "osapi/osapi_utility.h"
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#include <dds/core/types.hpp>
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#include <rti/core/Exception.hpp>
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#include "dds/core/Time.hpp"
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#define STATIC_CONST_STRING_DEFINITION(classname, name, value) \
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const std::string& classname::name() \
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{ \
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static std::string name##var(value); \
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return name##var; \
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}
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#define RECORDER_FILE_PATH_MAX_LENGTH (4096)
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namespace rti { namespace apputils { namespace util {
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constexpr int64_t g_int64_max = 0x7FFFFFFFFFFFFFFFULL;
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constexpr uint64_t g_uint64_max = 0xFFFFFFFFFFFFFFFFULL;
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inline
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std::string normalize_path(const std::string& file_name)
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{
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char normalized[RECORDER_FILE_PATH_MAX_LENGTH] = {'\0'};
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if (!RTIOsapiUtility_normalizePath(
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normalized,
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RECORDER_FILE_PATH_MAX_LENGTH,
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file_name.c_str())) {
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std::stringstream error_msg;
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error_msg << "!normalize path " << file_name.c_str() << "\n";
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throw dds::core::IllegalOperationError(error_msg.str());
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}
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return normalized;
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}
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inline
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int64_t convert_uint64_into_int64(uint64_t value)
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{
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int64_t signed_int64 = 0;
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if (value > g_int64_max) {
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signed_int64 = g_int64_max;
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} else {
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signed_int64 = (int64_t) value;
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}
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return signed_int64;
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}
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inline
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uint64_t to_nanosecs(dds::core::Time time)
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{
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uint64_t nanosec;
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try {
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nanosec = time.to_nanosecs();
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} catch (std::overflow_error&) {
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nanosec = g_uint64_max;
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}
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return nanosec;
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}
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/**
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* @brief Check if the sum of two values would produce an overflow.
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*
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* @tparam T type of the elements to be summed.
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*
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* @param lhs Left-hand side of the sum
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* @param rhs Right-hand side of the sum
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*
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* @return true if the sum overflows, false otherwise.
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*/
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template <typename T>
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bool sum_overflows(T lhs, T rhs)
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{
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return lhs > 0 && rhs > 0 && (std::numeric_limits<T>::max)() - lhs < rhs;
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}
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/**
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* @brief Check if the sum of two values would produce an underflow.
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*
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* @tparam T type of the elements to be summed.
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*
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* @param lhs Left-hand side of the sum
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* @param rhs Right-hand side of the sum
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*
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* @return true if the sum underflows, false otherwise.
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*/
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template <typename T>
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bool sum_underflows(T lhs, T rhs)
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{
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return lhs < 0 && rhs < 0 && std::numeric_limits<T>::lowest() - lhs > rhs;
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}
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} } } // namespace rti:apputils::util
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#endif /* APPUTILS_HPP_ */
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