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#include "globals.h"
#include <dlfcn.h>
#include "dynamic.h"
DLLManager::DLLManager( const char *fname )
{
// Try to open the library now and get any error message.
h=dlopen( fname, RTLD_NOW );
err=dlerror();
}
DLLManager::~DLLManager()
{
// close the library if it isn't null
if( h!=0 )
dlclose(h);
}
bool DLLManager::GetSymbol(
void **v,
const char *sym_name
)
{
// try extract a symbol from the library
// get any error message is there is any
if( h!=0 )
{
*v = dlsym( h, sym_name );
err=dlerror();
if( err==0 )
return true;
else
return false;
}
else
{
return false;
}
}
DLLFactoryBase::DLLFactoryBase(
const char *fname,
const char *factory=0
) : DLLManager(fname)
{
// try get the factory function if there is no error yet
factory_func=0;
if( LastError()==0 )
{
GetSymbol( (void **)&factory_func, factory ? factory : "init_module" );
}
}
DLLFactoryBase::~DLLFactoryBase()
{
}
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