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70 lines
1.2 KiB
C++
70 lines
1.2 KiB
C++
#include "stdafx.h"
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#include "dynamic_library.h"
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#ifdef _WIN32
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#include <Windows.h>
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#else
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#include <dlfcn.h>
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#endif
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namespace utils
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{
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dynamic_library::dynamic_library(const std::string& path)
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{
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load(path);
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}
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dynamic_library::~dynamic_library()
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{
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close();
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}
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bool dynamic_library::load(const std::string& path)
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{
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#ifdef _WIN32
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m_handle = LoadLibraryA(path.c_str());
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#else
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m_handle = dlopen(path.c_str(), RTLD_LAZY);
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#endif
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return loaded();
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}
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void dynamic_library::close()
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{
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#ifdef _WIN32
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FreeLibrary(reinterpret_cast<HMODULE>(m_handle));
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#else
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dlclose(m_handle);
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#endif
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m_handle = nullptr;
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}
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void* dynamic_library::get_impl(const std::string& name) const
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{
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#ifdef _WIN32
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return reinterpret_cast<void*>(GetProcAddress(reinterpret_cast<HMODULE>(m_handle), name.c_str()));
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#else
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return dlsym(m_handle, name.c_str());
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#endif
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}
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bool dynamic_library::loaded() const
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{
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return m_handle != nullptr;
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}
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dynamic_library::operator bool() const
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{
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return loaded();
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}
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void* get_proc_address(const char* lib, const char* name)
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{
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#ifdef _WIN32
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return reinterpret_cast<void*>(GetProcAddress(GetModuleHandleA(lib), name));
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#else
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return dlsym(dlopen(lib, RTLD_NOLOAD), name);
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#endif
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}
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}
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