/*
* Copyright (c) 2015, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <DynamicLibrary.hpp>
#include <dlfcn.h>
#include <stdexcept>
const std::string DynamicLibrary::_osLibraryPrefix = "lib";
const std::string DynamicLibrary::_osLibrarySuffix = ".so";
DynamicLibrary::DynamicLibrary(const std::string &path) : _path(osSanitizePathName(path))
{
_handle = dlopen(_path.c_str(), RTLD_LAZY);
if (_handle == nullptr) {
const char *dlError = dlerror();
throw std::runtime_error((dlError != nullptr) ? dlError : "unknown dlopen error");
}
}
DynamicLibrary::~DynamicLibrary(void)
{
dlclose(_handle);
}
void *DynamicLibrary::osGetSymbol(const std::string &symbol) const
{
void *sym = dlsym(_handle, symbol.c_str());
if (sym == nullptr) {
const char *dlError = dlerror();
throw std::runtime_error((dlError != nullptr) ? dlError : "unknown dlsym error");
}
return sym;
}