67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
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/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2010, Jan Vidar Krey
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*
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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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*
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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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*
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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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*/
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#include "uhub.h"
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#ifdef PLUGIN_SUPPORT
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struct uhub_plugin* uhub_plugin_open(const char* filename)
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{
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#ifdef HAVE_DLOPEN
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struct uhub_plugin* plugin = (struct uhub_plugin*) hub_malloc_zero(sizeof(struct uhub_plugin));
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if (!plugin)
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{
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return 0;
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}
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plugin->handle = dlopen(filename, RTLD_LAZY);
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if (!plugin->handle)
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{
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LOG_ERROR("Unable to open plugin %s: %s", filename, dlerror());
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hub_free(plugin);
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return 0;
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}
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return plugin;
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#else
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return 0;
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#endif
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}
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void uhub_plugin_close(struct uhub_plugin* plugin)
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{
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#ifdef HAVE_DLOPEN
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dlclose(plugin->handle);
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hub_free(plugin);
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#endif
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}
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void* uhub_plugin_lookup_symbol(struct uhub_plugin* plugin, const char* symbol)
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{
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#ifdef HAVE_DLOPEN
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void* addr = dlsym(plugin->handle, symbol);
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return addr;
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#else
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return 0;
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#endif
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}
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#endif /* PLUGIN_SUPPORT */
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