49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
// Copyright (C) 2023 Alexandre Janniaux
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/Posix/DynLibImpl.hpp>
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#include <dlfcn.h>
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#include <cstring>
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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DynLibImpl::~DynLibImpl()
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{
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if (m_handle)
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dlclose(m_handle);
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}
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DynLibFunc DynLibImpl::GetSymbol(const char* symbol, std::string* errorMessage) const
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{
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dlerror(); // Clear error flag
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void* ptr = dlsym(m_handle, symbol);
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if (!ptr)
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*errorMessage = dlerror();
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static_assert(sizeof(DynLibFunc) == sizeof(void*));
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// poor man's std::bit_cast
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DynLibFunc funcPtr;
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std::memcpy(&funcPtr, &ptr, sizeof(funcPtr));
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return funcPtr;
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}
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bool DynLibImpl::Load(const std::filesystem::path& libraryPath, std::string* errorMessage)
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{
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dlerror(); // Clear error flag
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m_handle = dlopen(libraryPath.generic_u8string().data(), RTLD_LAZY | RTLD_GLOBAL);
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if (!m_handle)
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{
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*errorMessage = dlerror();
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return false;
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}
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return true;
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}
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}
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