1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright(c) 2007-2022 Intel Corporation */ 3 /** 4 ***************************************************************************** 5 * @file sal_list.c 6 * 7 * @ingroup SalCtrl 8 * 9 * List implementations for SAL 10 * 11 *****************************************************************************/ 12 13 #include "lac_mem.h" 14 #include "lac_list.h" 15 16 CpaStatus 17 SalList_add(sal_list_t **list, sal_list_t **tail, void *pObj) 18 { 19 sal_list_t *new_element = NULL; 20 21 if (NULL == *list) { 22 /* First element in list */ 23 *list = malloc(sizeof(sal_list_t), M_QAT, M_WAITOK); 24 (*list)->next = NULL; 25 (*list)->pObj = pObj; 26 *tail = *list; 27 } else { 28 /* add to tail of the list */ 29 new_element = malloc(sizeof(sal_list_t), M_QAT, M_WAITOK); 30 new_element->pObj = pObj; 31 new_element->next = NULL; 32 33 (*tail)->next = new_element; 34 35 *tail = new_element; 36 } 37 38 return CPA_STATUS_SUCCESS; 39 } 40 41 void * 42 SalList_getObject(sal_list_t *list) 43 { 44 if (list == NULL) { 45 return NULL; 46 } 47 48 return list->pObj; 49 } 50 51 void 52 SalList_delObject(sal_list_t **list) 53 { 54 if (*list == NULL) { 55 return; 56 } 57 58 (*list)->pObj = NULL; 59 return; 60 } 61 62 void * 63 SalList_next(sal_list_t *list) 64 { 65 return list->next; 66 } 67 68 void 69 SalList_free(sal_list_t **list) 70 { 71 sal_list_t *next_element = NULL; 72 void *pObj = NULL; 73 while (NULL != (*list)) { 74 next_element = SalList_next(*list); 75 pObj = SalList_getObject((*list)); 76 LAC_OS_FREE(pObj); 77 LAC_OS_FREE(*list); 78 *list = next_element; 79 } 80 } 81 82 void 83 SalList_del(sal_list_t **head_list, sal_list_t **pre_list, sal_list_t *list) 84 { 85 void *pObj = NULL; 86 if ((NULL == *head_list) || (NULL == *pre_list) || (NULL == list)) { 87 return; 88 } 89 if (*head_list == list) { /* delete the first node in list */ 90 *head_list = list->next; 91 } else { 92 (*pre_list)->next = list->next; 93 } 94 pObj = SalList_getObject(list); 95 LAC_OS_FREE(pObj); 96 LAC_OS_FREE(list); 97 return; 98 } 99