[SBI] Crash occurs when ENUM in the MAP (#2103)

This commit is contained in:
Sukchan Lee 2023-03-01 17:50:25 +09:00
parent ce668c556c
commit 969c116e77
1097 changed files with 266728 additions and 42047 deletions

View file

@ -34,37 +34,66 @@ OpenAPI_context_data_sets_t *OpenAPI_context_data_sets_create(
void OpenAPI_context_data_sets_free(OpenAPI_context_data_sets_t *context_data_sets)
{
OpenAPI_lnode_t *node = NULL;
if (NULL == context_data_sets) {
return;
}
OpenAPI_lnode_t *node;
OpenAPI_amf3_gpp_access_registration_free(context_data_sets->amf3_gpp);
OpenAPI_amf_non3_gpp_access_registration_free(context_data_sets->amf_non3_gpp);
OpenAPI_list_for_each(context_data_sets->sdm_subscriptions, node) {
OpenAPI_sdm_subscription_free(node->data);
if (context_data_sets->amf3_gpp) {
OpenAPI_amf3_gpp_access_registration_free(context_data_sets->amf3_gpp);
context_data_sets->amf3_gpp = NULL;
}
OpenAPI_list_free(context_data_sets->sdm_subscriptions);
OpenAPI_list_for_each(context_data_sets->ee_subscriptions, node) {
OpenAPI_ee_subscription_free(node->data);
if (context_data_sets->amf_non3_gpp) {
OpenAPI_amf_non3_gpp_access_registration_free(context_data_sets->amf_non3_gpp);
context_data_sets->amf_non3_gpp = NULL;
}
OpenAPI_list_free(context_data_sets->ee_subscriptions);
OpenAPI_smsf_registration_free(context_data_sets->smsf3_gpp_access);
OpenAPI_smsf_registration_free(context_data_sets->smsf_non3_gpp_access);
OpenAPI_list_for_each(context_data_sets->subscription_data_subscriptions, node) {
OpenAPI_subscription_data_subscriptions_free(node->data);
if (context_data_sets->sdm_subscriptions) {
OpenAPI_list_for_each(context_data_sets->sdm_subscriptions, node) {
OpenAPI_sdm_subscription_free(node->data);
}
OpenAPI_list_free(context_data_sets->sdm_subscriptions);
context_data_sets->sdm_subscriptions = NULL;
}
OpenAPI_list_free(context_data_sets->subscription_data_subscriptions);
OpenAPI_list_for_each(context_data_sets->smf_registrations, node) {
OpenAPI_smf_registration_free(node->data);
if (context_data_sets->ee_subscriptions) {
OpenAPI_list_for_each(context_data_sets->ee_subscriptions, node) {
OpenAPI_ee_subscription_free(node->data);
}
OpenAPI_list_free(context_data_sets->ee_subscriptions);
context_data_sets->ee_subscriptions = NULL;
}
if (context_data_sets->smsf3_gpp_access) {
OpenAPI_smsf_registration_free(context_data_sets->smsf3_gpp_access);
context_data_sets->smsf3_gpp_access = NULL;
}
if (context_data_sets->smsf_non3_gpp_access) {
OpenAPI_smsf_registration_free(context_data_sets->smsf_non3_gpp_access);
context_data_sets->smsf_non3_gpp_access = NULL;
}
if (context_data_sets->subscription_data_subscriptions) {
OpenAPI_list_for_each(context_data_sets->subscription_data_subscriptions, node) {
OpenAPI_subscription_data_subscriptions_free(node->data);
}
OpenAPI_list_free(context_data_sets->subscription_data_subscriptions);
context_data_sets->subscription_data_subscriptions = NULL;
}
if (context_data_sets->smf_registrations) {
OpenAPI_list_for_each(context_data_sets->smf_registrations, node) {
OpenAPI_smf_registration_free(node->data);
}
OpenAPI_list_free(context_data_sets->smf_registrations);
context_data_sets->smf_registrations = NULL;
}
if (context_data_sets->ip_sm_gw) {
OpenAPI_ip_sm_gw_registration_free(context_data_sets->ip_sm_gw);
context_data_sets->ip_sm_gw = NULL;
}
OpenAPI_list_free(context_data_sets->smf_registrations);
OpenAPI_ip_sm_gw_registration_free(context_data_sets->ip_sm_gw);
ogs_free(context_data_sets);
}
cJSON *OpenAPI_context_data_sets_convertToJSON(OpenAPI_context_data_sets_t *context_data_sets)
{
cJSON *item = NULL;
OpenAPI_lnode_t *node = NULL;
if (context_data_sets == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [ContextDataSets]");
@ -104,17 +133,13 @@ cJSON *OpenAPI_context_data_sets_convertToJSON(OpenAPI_context_data_sets_t *cont
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [sdm_subscriptions]");
goto end;
}
OpenAPI_lnode_t *sdm_subscriptions_node;
if (context_data_sets->sdm_subscriptions) {
OpenAPI_list_for_each(context_data_sets->sdm_subscriptions, sdm_subscriptions_node) {
cJSON *itemLocal = OpenAPI_sdm_subscription_convertToJSON(sdm_subscriptions_node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [sdm_subscriptions]");
goto end;
}
cJSON_AddItemToArray(sdm_subscriptionsList, itemLocal);
OpenAPI_list_for_each(context_data_sets->sdm_subscriptions, node) {
cJSON *itemLocal = OpenAPI_sdm_subscription_convertToJSON(node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [sdm_subscriptions]");
goto end;
}
cJSON_AddItemToArray(sdm_subscriptionsList, itemLocal);
}
}
@ -124,17 +149,13 @@ cJSON *OpenAPI_context_data_sets_convertToJSON(OpenAPI_context_data_sets_t *cont
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [ee_subscriptions]");
goto end;
}
OpenAPI_lnode_t *ee_subscriptions_node;
if (context_data_sets->ee_subscriptions) {
OpenAPI_list_for_each(context_data_sets->ee_subscriptions, ee_subscriptions_node) {
cJSON *itemLocal = OpenAPI_ee_subscription_convertToJSON(ee_subscriptions_node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [ee_subscriptions]");
goto end;
}
cJSON_AddItemToArray(ee_subscriptionsList, itemLocal);
OpenAPI_list_for_each(context_data_sets->ee_subscriptions, node) {
cJSON *itemLocal = OpenAPI_ee_subscription_convertToJSON(node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [ee_subscriptions]");
goto end;
}
cJSON_AddItemToArray(ee_subscriptionsList, itemLocal);
}
}
@ -170,17 +191,13 @@ cJSON *OpenAPI_context_data_sets_convertToJSON(OpenAPI_context_data_sets_t *cont
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [subscription_data_subscriptions]");
goto end;
}
OpenAPI_lnode_t *subscription_data_subscriptions_node;
if (context_data_sets->subscription_data_subscriptions) {
OpenAPI_list_for_each(context_data_sets->subscription_data_subscriptions, subscription_data_subscriptions_node) {
cJSON *itemLocal = OpenAPI_subscription_data_subscriptions_convertToJSON(subscription_data_subscriptions_node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [subscription_data_subscriptions]");
goto end;
}
cJSON_AddItemToArray(subscription_data_subscriptionsList, itemLocal);
OpenAPI_list_for_each(context_data_sets->subscription_data_subscriptions, node) {
cJSON *itemLocal = OpenAPI_subscription_data_subscriptions_convertToJSON(node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [subscription_data_subscriptions]");
goto end;
}
cJSON_AddItemToArray(subscription_data_subscriptionsList, itemLocal);
}
}
@ -190,17 +207,13 @@ cJSON *OpenAPI_context_data_sets_convertToJSON(OpenAPI_context_data_sets_t *cont
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [smf_registrations]");
goto end;
}
OpenAPI_lnode_t *smf_registrations_node;
if (context_data_sets->smf_registrations) {
OpenAPI_list_for_each(context_data_sets->smf_registrations, smf_registrations_node) {
cJSON *itemLocal = OpenAPI_smf_registration_convertToJSON(smf_registrations_node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [smf_registrations]");
goto end;
}
cJSON_AddItemToArray(smf_registrationsList, itemLocal);
OpenAPI_list_for_each(context_data_sets->smf_registrations, node) {
cJSON *itemLocal = OpenAPI_smf_registration_convertToJSON(node->data);
if (itemLocal == NULL) {
ogs_error("OpenAPI_context_data_sets_convertToJSON() failed [smf_registrations]");
goto end;
}
cJSON_AddItemToArray(smf_registrationsList, itemLocal);
}
}
@ -224,153 +237,146 @@ end:
OpenAPI_context_data_sets_t *OpenAPI_context_data_sets_parseFromJSON(cJSON *context_data_setsJSON)
{
OpenAPI_context_data_sets_t *context_data_sets_local_var = NULL;
cJSON *amf3_gpp = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "amf3Gpp");
OpenAPI_lnode_t *node = NULL;
cJSON *amf3_gpp = NULL;
OpenAPI_amf3_gpp_access_registration_t *amf3_gpp_local_nonprim = NULL;
cJSON *amf_non3_gpp = NULL;
OpenAPI_amf_non3_gpp_access_registration_t *amf_non3_gpp_local_nonprim = NULL;
cJSON *sdm_subscriptions = NULL;
OpenAPI_list_t *sdm_subscriptionsList = NULL;
cJSON *ee_subscriptions = NULL;
OpenAPI_list_t *ee_subscriptionsList = NULL;
cJSON *smsf3_gpp_access = NULL;
OpenAPI_smsf_registration_t *smsf3_gpp_access_local_nonprim = NULL;
cJSON *smsf_non3_gpp_access = NULL;
OpenAPI_smsf_registration_t *smsf_non3_gpp_access_local_nonprim = NULL;
cJSON *subscription_data_subscriptions = NULL;
OpenAPI_list_t *subscription_data_subscriptionsList = NULL;
cJSON *smf_registrations = NULL;
OpenAPI_list_t *smf_registrationsList = NULL;
cJSON *ip_sm_gw = NULL;
OpenAPI_ip_sm_gw_registration_t *ip_sm_gw_local_nonprim = NULL;
amf3_gpp = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "amf3Gpp");
if (amf3_gpp) {
amf3_gpp_local_nonprim = OpenAPI_amf3_gpp_access_registration_parseFromJSON(amf3_gpp);
}
cJSON *amf_non3_gpp = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "amfNon3Gpp");
OpenAPI_amf_non3_gpp_access_registration_t *amf_non3_gpp_local_nonprim = NULL;
amf_non3_gpp = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "amfNon3Gpp");
if (amf_non3_gpp) {
amf_non3_gpp_local_nonprim = OpenAPI_amf_non3_gpp_access_registration_parseFromJSON(amf_non3_gpp);
}
cJSON *sdm_subscriptions = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "sdmSubscriptions");
OpenAPI_list_t *sdm_subscriptionsList;
sdm_subscriptions = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "sdmSubscriptions");
if (sdm_subscriptions) {
cJSON *sdm_subscriptions_local_nonprimitive;
if (!cJSON_IsArray(sdm_subscriptions)){
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [sdm_subscriptions]");
goto end;
}
sdm_subscriptionsList = OpenAPI_list_create();
cJSON_ArrayForEach(sdm_subscriptions_local_nonprimitive, sdm_subscriptions ) {
if (!cJSON_IsObject(sdm_subscriptions_local_nonprimitive)) {
cJSON *sdm_subscriptions_local = NULL;
if (!cJSON_IsArray(sdm_subscriptions)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [sdm_subscriptions]");
goto end;
}
OpenAPI_sdm_subscription_t *sdm_subscriptionsItem = OpenAPI_sdm_subscription_parseFromJSON(sdm_subscriptions_local_nonprimitive);
if (!sdm_subscriptionsItem) {
ogs_error("No sdm_subscriptionsItem");
OpenAPI_list_free(sdm_subscriptionsList);
goto end;
sdm_subscriptionsList = OpenAPI_list_create();
cJSON_ArrayForEach(sdm_subscriptions_local, sdm_subscriptions) {
if (!cJSON_IsObject(sdm_subscriptions_local)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [sdm_subscriptions]");
goto end;
}
OpenAPI_sdm_subscription_t *sdm_subscriptionsItem = OpenAPI_sdm_subscription_parseFromJSON(sdm_subscriptions_local);
if (!sdm_subscriptionsItem) {
ogs_error("No sdm_subscriptionsItem");
OpenAPI_list_free(sdm_subscriptionsList);
goto end;
}
OpenAPI_list_add(sdm_subscriptionsList, sdm_subscriptionsItem);
}
OpenAPI_list_add(sdm_subscriptionsList, sdm_subscriptionsItem);
}
}
cJSON *ee_subscriptions = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "eeSubscriptions");
OpenAPI_list_t *ee_subscriptionsList;
ee_subscriptions = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "eeSubscriptions");
if (ee_subscriptions) {
cJSON *ee_subscriptions_local_nonprimitive;
if (!cJSON_IsArray(ee_subscriptions)){
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [ee_subscriptions]");
goto end;
}
ee_subscriptionsList = OpenAPI_list_create();
cJSON_ArrayForEach(ee_subscriptions_local_nonprimitive, ee_subscriptions ) {
if (!cJSON_IsObject(ee_subscriptions_local_nonprimitive)) {
cJSON *ee_subscriptions_local = NULL;
if (!cJSON_IsArray(ee_subscriptions)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [ee_subscriptions]");
goto end;
}
OpenAPI_ee_subscription_t *ee_subscriptionsItem = OpenAPI_ee_subscription_parseFromJSON(ee_subscriptions_local_nonprimitive);
if (!ee_subscriptionsItem) {
ogs_error("No ee_subscriptionsItem");
OpenAPI_list_free(ee_subscriptionsList);
goto end;
ee_subscriptionsList = OpenAPI_list_create();
cJSON_ArrayForEach(ee_subscriptions_local, ee_subscriptions) {
if (!cJSON_IsObject(ee_subscriptions_local)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [ee_subscriptions]");
goto end;
}
OpenAPI_ee_subscription_t *ee_subscriptionsItem = OpenAPI_ee_subscription_parseFromJSON(ee_subscriptions_local);
if (!ee_subscriptionsItem) {
ogs_error("No ee_subscriptionsItem");
OpenAPI_list_free(ee_subscriptionsList);
goto end;
}
OpenAPI_list_add(ee_subscriptionsList, ee_subscriptionsItem);
}
OpenAPI_list_add(ee_subscriptionsList, ee_subscriptionsItem);
}
}
cJSON *smsf3_gpp_access = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "smsf3GppAccess");
OpenAPI_smsf_registration_t *smsf3_gpp_access_local_nonprim = NULL;
smsf3_gpp_access = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "smsf3GppAccess");
if (smsf3_gpp_access) {
smsf3_gpp_access_local_nonprim = OpenAPI_smsf_registration_parseFromJSON(smsf3_gpp_access);
}
cJSON *smsf_non3_gpp_access = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "smsfNon3GppAccess");
OpenAPI_smsf_registration_t *smsf_non3_gpp_access_local_nonprim = NULL;
smsf_non3_gpp_access = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "smsfNon3GppAccess");
if (smsf_non3_gpp_access) {
smsf_non3_gpp_access_local_nonprim = OpenAPI_smsf_registration_parseFromJSON(smsf_non3_gpp_access);
}
cJSON *subscription_data_subscriptions = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "subscriptionDataSubscriptions");
OpenAPI_list_t *subscription_data_subscriptionsList;
subscription_data_subscriptions = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "subscriptionDataSubscriptions");
if (subscription_data_subscriptions) {
cJSON *subscription_data_subscriptions_local_nonprimitive;
if (!cJSON_IsArray(subscription_data_subscriptions)){
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [subscription_data_subscriptions]");
goto end;
}
subscription_data_subscriptionsList = OpenAPI_list_create();
cJSON_ArrayForEach(subscription_data_subscriptions_local_nonprimitive, subscription_data_subscriptions ) {
if (!cJSON_IsObject(subscription_data_subscriptions_local_nonprimitive)) {
cJSON *subscription_data_subscriptions_local = NULL;
if (!cJSON_IsArray(subscription_data_subscriptions)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [subscription_data_subscriptions]");
goto end;
}
OpenAPI_subscription_data_subscriptions_t *subscription_data_subscriptionsItem = OpenAPI_subscription_data_subscriptions_parseFromJSON(subscription_data_subscriptions_local_nonprimitive);
if (!subscription_data_subscriptionsItem) {
ogs_error("No subscription_data_subscriptionsItem");
OpenAPI_list_free(subscription_data_subscriptionsList);
goto end;
subscription_data_subscriptionsList = OpenAPI_list_create();
cJSON_ArrayForEach(subscription_data_subscriptions_local, subscription_data_subscriptions) {
if (!cJSON_IsObject(subscription_data_subscriptions_local)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [subscription_data_subscriptions]");
goto end;
}
OpenAPI_subscription_data_subscriptions_t *subscription_data_subscriptionsItem = OpenAPI_subscription_data_subscriptions_parseFromJSON(subscription_data_subscriptions_local);
if (!subscription_data_subscriptionsItem) {
ogs_error("No subscription_data_subscriptionsItem");
OpenAPI_list_free(subscription_data_subscriptionsList);
goto end;
}
OpenAPI_list_add(subscription_data_subscriptionsList, subscription_data_subscriptionsItem);
}
OpenAPI_list_add(subscription_data_subscriptionsList, subscription_data_subscriptionsItem);
}
}
cJSON *smf_registrations = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "smfRegistrations");
OpenAPI_list_t *smf_registrationsList;
smf_registrations = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "smfRegistrations");
if (smf_registrations) {
cJSON *smf_registrations_local_nonprimitive;
if (!cJSON_IsArray(smf_registrations)){
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [smf_registrations]");
goto end;
}
smf_registrationsList = OpenAPI_list_create();
cJSON_ArrayForEach(smf_registrations_local_nonprimitive, smf_registrations ) {
if (!cJSON_IsObject(smf_registrations_local_nonprimitive)) {
cJSON *smf_registrations_local = NULL;
if (!cJSON_IsArray(smf_registrations)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [smf_registrations]");
goto end;
}
OpenAPI_smf_registration_t *smf_registrationsItem = OpenAPI_smf_registration_parseFromJSON(smf_registrations_local_nonprimitive);
if (!smf_registrationsItem) {
ogs_error("No smf_registrationsItem");
OpenAPI_list_free(smf_registrationsList);
goto end;
smf_registrationsList = OpenAPI_list_create();
cJSON_ArrayForEach(smf_registrations_local, smf_registrations) {
if (!cJSON_IsObject(smf_registrations_local)) {
ogs_error("OpenAPI_context_data_sets_parseFromJSON() failed [smf_registrations]");
goto end;
}
OpenAPI_smf_registration_t *smf_registrationsItem = OpenAPI_smf_registration_parseFromJSON(smf_registrations_local);
if (!smf_registrationsItem) {
ogs_error("No smf_registrationsItem");
OpenAPI_list_free(smf_registrationsList);
goto end;
}
OpenAPI_list_add(smf_registrationsList, smf_registrationsItem);
}
OpenAPI_list_add(smf_registrationsList, smf_registrationsItem);
}
}
cJSON *ip_sm_gw = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "ipSmGw");
OpenAPI_ip_sm_gw_registration_t *ip_sm_gw_local_nonprim = NULL;
ip_sm_gw = cJSON_GetObjectItemCaseSensitive(context_data_setsJSON, "ipSmGw");
if (ip_sm_gw) {
ip_sm_gw_local_nonprim = OpenAPI_ip_sm_gw_registration_parseFromJSON(ip_sm_gw);
}
@ -389,6 +395,54 @@ OpenAPI_context_data_sets_t *OpenAPI_context_data_sets_parseFromJSON(cJSON *cont
return context_data_sets_local_var;
end:
if (amf3_gpp_local_nonprim) {
OpenAPI_amf3_gpp_access_registration_free(amf3_gpp_local_nonprim);
amf3_gpp_local_nonprim = NULL;
}
if (amf_non3_gpp_local_nonprim) {
OpenAPI_amf_non3_gpp_access_registration_free(amf_non3_gpp_local_nonprim);
amf_non3_gpp_local_nonprim = NULL;
}
if (sdm_subscriptionsList) {
OpenAPI_list_for_each(sdm_subscriptionsList, node) {
OpenAPI_sdm_subscription_free(node->data);
}
OpenAPI_list_free(sdm_subscriptionsList);
sdm_subscriptionsList = NULL;
}
if (ee_subscriptionsList) {
OpenAPI_list_for_each(ee_subscriptionsList, node) {
OpenAPI_ee_subscription_free(node->data);
}
OpenAPI_list_free(ee_subscriptionsList);
ee_subscriptionsList = NULL;
}
if (smsf3_gpp_access_local_nonprim) {
OpenAPI_smsf_registration_free(smsf3_gpp_access_local_nonprim);
smsf3_gpp_access_local_nonprim = NULL;
}
if (smsf_non3_gpp_access_local_nonprim) {
OpenAPI_smsf_registration_free(smsf_non3_gpp_access_local_nonprim);
smsf_non3_gpp_access_local_nonprim = NULL;
}
if (subscription_data_subscriptionsList) {
OpenAPI_list_for_each(subscription_data_subscriptionsList, node) {
OpenAPI_subscription_data_subscriptions_free(node->data);
}
OpenAPI_list_free(subscription_data_subscriptionsList);
subscription_data_subscriptionsList = NULL;
}
if (smf_registrationsList) {
OpenAPI_list_for_each(smf_registrationsList, node) {
OpenAPI_smf_registration_free(node->data);
}
OpenAPI_list_free(smf_registrationsList);
smf_registrationsList = NULL;
}
if (ip_sm_gw_local_nonprim) {
OpenAPI_ip_sm_gw_registration_free(ip_sm_gw_local_nonprim);
ip_sm_gw_local_nonprim = NULL;
}
return NULL;
}