/*
* Copyright (c) 2008 - 2009
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of libobjfw. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#import "OFPlugin.h"
#import "OFExceptions.h"
@implementation OFPlugin
+ pluginFromFile: (OFString*)path
{
char *file;
size_t pathlen, suffixlen;
void *handle;
OFPlugin *(*init_plugin)();
OFPlugin *plugin;
pathlen = [path length];
suffixlen = strlen(PLUGIN_SUFFIX);
if ((file = malloc(pathlen + suffixlen + 1)) == NULL) {
@throw [OFOutOfMemoryException newWithClass: self
size: pathlen +
suffixlen + 1];
}
memcpy(file, [path cString], pathlen);
memcpy(file + pathlen, PLUGIN_SUFFIX, suffixlen);
file[pathlen + suffixlen] = 0;
if ((handle = dlopen(file, RTLD_LAZY)) == NULL) {
free(file);
@throw [OFInitializationFailedException newWithClass: self];
}
free(file);
if ((init_plugin = dlsym(handle, "init_plugin")) == NULL ||
(plugin = init_plugin()) == nil) {
dlclose(handle);
@throw [OFInitializationFailedException newWithClass: self];
}
plugin->handle = handle;
return [plugin autorelease];
}
- init
{
if (isa == [OFPlugin class])
@throw [OFNotImplementedException newWithClass: isa
selector: _cmd];
return [super init];
}
- (void)dealloc
{
dlclose(handle);
[super dealloc];
}
@end