/*!
* Unload the plugin registry. This will unload the DLLs and free
* the nodes in the data structure containing them.
*
* \param reg The registry
* \param error An error to populate on failure
* \return 1 on success, 0 on failure
*
*/
NITFPRIV(NITF_BOOL) unloadDSO(nitf_DLL* dll, nitf_Error * error)
{
NITF_BOOL ok = NITF_SUCCESS;
if (nitf_DLL_isValid(dll))
{
doCleanup(dll, error);
/* destroy the lib */
ok &= nitf_DLL_unload(dll, error);
if ( dll->libname )
{
#ifdef NITF_DEBUG_PLUGIN_REG
printf("Unloaded dll with name [%s]\n", dll->libname);
#endif
NITF_FREE( dll->libname );
dll->libname = NULL;
}
nitf_DLL_destruct(&dll);
}
return ok;
}
NITFPRIV(NITF_BOOL) insertCreator(nitf_DLL* dso,
nitf_HashTable* hash,
const char* ident,
const char* suffix,
nitf_Error* error)
{
/* We are trying to find tre_main */
NITF_DLL_FUNCTION_PTR dsoMain = NULL;
/* Get the name of the handler */
char name[NITF_MAX_PATH];
char* p = NULL;
if (!nitf_DLL_isValid(dso))
{
nitf_Error_initf(error,
NITF_CTXT,
NITF_ERR_INVALID_PARAMETER,
"DSO is not valid for [%s]",
ident);
}
memset(name, 0, NITF_MAX_PATH);
NITF_SNPRINTF(name, NITF_MAX_PATH, "%s%s", ident, suffix);
nitf_Utils_replace(name, ' ', '_');
/* No error has occurred (yet) */
#if NITF_DEBUG_PLUGIN_REG
printf("Loading function [%s] in dso at [%p]\n", name, dso);
#endif
/* Retrieve the main */
dsoMain = nitf_DLL_retrieve(dso, name, error);
if (!dsoMain)
{
/* If it didnt work, we are done */
return NITF_FAILURE;
}
#if NITF_DEBUG_PLUGIN_REG
if (nitf_HashTable_exists(hash, ident))
{
printf("Warning, overriding [%s] hook", ident);
}
#endif
return nitf_HashTable_insert(hash, ident, dsoMain, error);
}
