mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-14 11:40:13 +01:00
134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ckdbm.h"
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static void
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nss_dbm_mdFindObjects_Final
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(
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NSSCKMDFindObjects *mdFindObjects,
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NSSCKFWFindObjects *fwFindObjects,
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NSSCKMDSession *mdSession,
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NSSCKFWSession *fwSession,
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NSSCKMDToken *mdToken,
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NSSCKFWToken *fwToken,
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NSSCKMDInstance *mdInstance,
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NSSCKFWInstance *fwInstance
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)
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{
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nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
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/* Locks might have system resources associated */
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(void)NSSCKFWMutex_Destroy(find->list_lock);
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(void)NSSArena_Destroy(find->arena);
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}
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static NSSCKMDObject *
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nss_dbm_mdFindObjects_Next
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(
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NSSCKMDFindObjects *mdFindObjects,
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NSSCKFWFindObjects *fwFindObjects,
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NSSCKMDSession *mdSession,
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NSSCKFWSession *fwSession,
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NSSCKMDToken *mdToken,
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NSSCKFWToken *fwToken,
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NSSCKMDInstance *mdInstance,
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NSSCKFWInstance *fwInstance,
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NSSArena *arena,
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CK_RV *pError
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)
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{
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nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
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struct nss_dbm_dbt_node *node;
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nss_dbm_object_t *object;
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NSSCKMDObject *rv;
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while(1) {
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/* Lock */
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{
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*pError = NSSCKFWMutex_Lock(find->list_lock);
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if( CKR_OK != *pError ) {
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return (NSSCKMDObject *)NULL;
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}
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node = find->found;
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if( (struct nss_dbm_dbt_node *)NULL != node ) {
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find->found = node->next;
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}
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*pError = NSSCKFWMutex_Unlock(find->list_lock);
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if( CKR_OK != *pError ) {
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/* screwed now */
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return (NSSCKMDObject *)NULL;
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}
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}
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if( (struct nss_dbm_dbt_node *)NULL == node ) {
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break;
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}
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if( nss_dbm_db_object_still_exists(node->dbt) ) {
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break;
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}
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}
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if( (struct nss_dbm_dbt_node *)NULL == node ) {
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*pError = CKR_OK;
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return (NSSCKMDObject *)NULL;
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}
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object = nss_ZNEW(arena, nss_dbm_object_t);
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if( (nss_dbm_object_t *)NULL == object ) {
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*pError = CKR_HOST_MEMORY;
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return (NSSCKMDObject *)NULL;
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}
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object->arena = arena;
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object->handle = nss_ZNEW(arena, nss_dbm_dbt_t);
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if( (nss_dbm_dbt_t *)NULL == object->handle ) {
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*pError = CKR_HOST_MEMORY;
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return (NSSCKMDObject *)NULL;
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}
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object->handle->my_db = node->dbt->my_db;
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object->handle->dbt.size = node->dbt->dbt.size;
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object->handle->dbt.data = nss_ZAlloc(arena, node->dbt->dbt.size);
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if( (void *)NULL == object->handle->dbt.data ) {
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*pError = CKR_HOST_MEMORY;
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return (NSSCKMDObject *)NULL;
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}
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(void)memcpy(object->handle->dbt.data, node->dbt->dbt.data, node->dbt->dbt.size);
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rv = nss_dbm_mdObject_factory(object, pError);
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if( (NSSCKMDObject *)NULL == rv ) {
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return (NSSCKMDObject *)NULL;
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}
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return rv;
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}
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NSS_IMPLEMENT NSSCKMDFindObjects *
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nss_dbm_mdFindObjects_factory
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(
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nss_dbm_find_t *find,
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CK_RV *pError
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)
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{
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NSSCKMDFindObjects *rv;
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rv = nss_ZNEW(find->arena, NSSCKMDFindObjects);
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if( (NSSCKMDFindObjects *)NULL == rv ) {
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*pError = CKR_HOST_MEMORY;
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return (NSSCKMDFindObjects *)NULL;
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}
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rv->etc = (void *)find;
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rv->Final = nss_dbm_mdFindObjects_Final;
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rv->Next = nss_dbm_mdFindObjects_Next;
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return rv;
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}
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