Бычков Андрей
79e17eb928
now without io devices and console git-svn-id: svn://db.shs.com.ru/pip@683 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5
114 lines
2.2 KiB
C++
114 lines
2.2 KiB
C++
/*
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PIP - Platform Independent Primitives
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Dynamic library
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Copyright (C) 2018 Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PIP_FREERTOS
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#include "pilibrary.h"
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#include "piincludes_p.h"
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#ifndef WINDOWS
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# include <dlfcn.h>
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#endif
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PRIVATE_DEFINITION_START(PILibrary)
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#ifdef WINDOWS
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HMODULE
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#else
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void *
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#endif
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hLib;
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PRIVATE_DEFINITION_END(PILibrary)
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PILibrary::PILibrary(const PIString & path_) {
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PRIVATE->hLib = 0;
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load(path_);
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}
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PILibrary::~PILibrary() {
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unload();
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}
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bool PILibrary::load(const PIString & path_) {
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libpath = path_;
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return loadInternal();
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}
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bool PILibrary::load() {
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return loadInternal();
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}
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void PILibrary::unload() {
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if (PRIVATE->hLib == 0) return;
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#ifdef WINDOWS
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FreeLibrary(PRIVATE->hLib);
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#else
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dlclose(PRIVATE->hLib);
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#endif
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PRIVATE->hLib = 0;
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}
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bool PILibrary::isLoaded() const {
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return PRIVATE->hLib;
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}
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void * PILibrary::resolve(const char * symbol) {
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if (!isLoaded()) return 0;
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void * ret;
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#ifdef WINDOWS
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ret = (void*)GetProcAddress(PRIVATE->hLib, symbol);
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#else
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ret = dlsym(PRIVATE->hLib, symbol);
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#endif
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getLastError();
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return ret;
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}
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bool PILibrary::loadInternal() {
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unload();
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if (libpath.isEmpty()) return false;
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#ifdef WINDOWS
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PRIVATE->hLib = LoadLibrary(libpath.data());
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#else
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PRIVATE->hLib = dlopen(libpath.data(), RTLD_LAZY);
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#endif
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getLastError();
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return PRIVATE->hLib;
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}
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void PILibrary::getLastError() {
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#ifdef WINDOWS
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liberror = errorString();
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#else
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const char * e = dlerror();
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if (e) liberror = e;
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else liberror.clear();
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#endif
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}
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#endif // PIP_FREERTOS
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