76     malloc_mem_chunk_t *ptr = malloc_free_list;  in malloc_query_free_chunk_bf()  local
79     while (ptr != NULL)  in malloc_query_free_chunk_bf()
82         if (ptr->length == size)  in malloc_query_free_chunk_bf()
84             best = ptr;  in malloc_query_free_chunk_bf()
88         if (ptr->length > size)  in malloc_query_free_chunk_bf()
91                 best = ptr;  in malloc_query_free_chunk_bf()
92             else if (best->length > ptr->length)  in malloc_query_free_chunk_bf()
93                 best = ptr;  in malloc_query_free_chunk_bf()
95         ptr = ptr->next;  in malloc_query_free_chunk_bf()
111     malloc_mem_chunk_t *ptr = malloc_free_list;  in malloc_query_free_chunk_ff()  local
113     while (ptr)  in malloc_query_free_chunk_ff()
115         if (ptr->length >= size)  in malloc_query_free_chunk_ff()
117             return ptr;  in malloc_query_free_chunk_ff()
119         ptr = ptr->next;  in malloc_query_free_chunk_ff()
179     malloc_mem_chunk_t *ptr = malloc_free_list->next;  in malloc_merge_free_chunk()  local
180     while (ptr != NULL)  in malloc_merge_free_chunk()
183         if (((uint64_t)(ptr->prev) + ptr->prev->length == (uint64_t)ptr))  in malloc_merge_free_chunk()
187             ptr->prev->length += ptr->length;  in malloc_merge_free_chunk()
188             ptr->prev->next = ptr->next;  in malloc_merge_free_chunk()
189             if (ptr->next == NULL)  in malloc_merge_free_chunk()
190                 malloc_free_list_end = ptr->prev;  in malloc_merge_free_chunk()
192                 ptr->next->prev = ptr->prev;  in malloc_merge_free_chunk()
194             ptr = ptr->prev;  in malloc_merge_free_chunk()
196         ptr = ptr->next;  in malloc_merge_free_chunk()
217         malloc_mem_chunk_t *ptr = malloc_free_list;  in malloc_insert_free_list()  local
218         while (ptr != NULL)  in malloc_insert_free_list()
220             if ((uint64_t)ptr < (uint64_t)ck)  in malloc_insert_free_list()
222                 if (ptr->next == NULL) // 当前是最后一个项  in malloc_insert_free_list()
224                     ptr->next = ck;  in malloc_insert_free_list()
226                     ck->prev = ptr;  in malloc_insert_free_list()
230                 else if ((uint64_t)(ptr->next) > (uint64_t)ck)  in malloc_insert_free_list()
232                     ck->prev = ptr;  in malloc_insert_free_list()
233                     ck->next = ptr->next;  in malloc_insert_free_list()
234                     ptr->next = ck;  in malloc_insert_free_list()
242                 if (ptr->prev == NULL) // 是第一个项  in malloc_insert_free_list()
246                     ck->next = ptr;  in malloc_insert_free_list()
247                     ptr->prev = ck;  in malloc_insert_free_list()
252                     ck->prev = ptr->prev;  in malloc_insert_free_list()
253                     ck->next = ptr;  in malloc_insert_free_list()
255                     ptr->prev = ck;  in malloc_insert_free_list()
259             ptr = ptr->next;  in malloc_insert_free_list()
378 void free(void *ptr)  in free()  argument
381     malloc_mem_chunk_t *ck = (malloc_mem_chunk_t *)((uint64_t)ptr - sizeof(uint64_t));  in free()