76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* Plugin Loading Utils
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*
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* Copyright 2011 Vic Lee
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <freerdp/utils/print.h>
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#include <freerdp/utils/load_plugin.h>
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#ifdef _WIN32
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#include <windows.h>
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#define DLOPEN(f) LoadLibrary(f)
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#define DLSYM(f, n) GetProcAddress(f, n)
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#define DLCLOSE(f) FreeLibrary(f)
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#define PATH_SEPARATOR '\\'
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#define PLUGIN_EXT "dll"
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#else
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#include <dlfcn.h>
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#include <unistd.h>
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#define DLOPEN(f) dlopen(f, RTLD_LOCAL | RTLD_LAZY)
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#define DLSYM(f, n) dlsym(f, n)
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#define DLCLOSE(f) dlclose(f)
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#define PATH_SEPARATOR '/'
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#define PLUGIN_EXT "so"
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#endif
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void* freerdp_load_plugin(const char* name, const char* entry_name)
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{
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char path[255];
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void* module;
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void* entry;
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if (strchr(name, PATH_SEPARATOR) == NULL)
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{
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snprintf(path, sizeof(path), PLUGIN_PATH "%c%s." PLUGIN_EXT, PATH_SEPARATOR, name);
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}
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else
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{
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strncpy(path, name, sizeof(path));
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}
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module = DLOPEN(path);
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if (module == NULL)
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{
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printf("freerdp_load_plugin: failed to open %s.\n", path);
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return NULL;
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}
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entry = DLSYM(module, entry_name);
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if (entry == NULL)
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{
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printf("freerdp_load_plugin: failed to load %s.\n", path);
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return NULL;
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}
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return entry;
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}
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