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fs_file_list: integration of double-linked in file lists

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zheiling
2026-08-07 18:02:58 +03:00
parent 6b20f2f179
commit c563c71b5f
4 changed files with 76 additions and 39 deletions
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src/utils/dlist.c
+12 -12
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@@ -179,22 +179,22 @@ void *dlist_it_next(dlist_t *dlist) {
return NULL;
}
dlist_node_t *dlist_wind_fwd(dlist_t *dlist, int count) {
dlist_node_t *cur_ptr = dlist->work_pointer;
dlist_node_t *dlist_wind_fwd(dlist_t *dlist, dlist_node_t *start, int count) {
dlist_node_t *new_ptr = start;
for (int i = 0; i < count && cur_ptr != NULL; i++) {
cur_ptr = cur_ptr->next;
for (int i = 0; i <= count && new_ptr != NULL; i++) {
new_ptr = new_ptr->next;
}
dlist->work_pointer = cur_ptr;
return cur_ptr;
dlist->work_pointer = new_ptr;
return new_ptr;
}
dlist_node_t *dlist_wind_bwd(dlist_t *dlist, int count) {
dlist_node_t *cur_ptr = dlist->work_pointer;
dlist_node_t *dlist_wind_bwd(dlist_t *dlist, dlist_node_t *start, int count) {
dlist_node_t *new_ptr = start;
for (int i = 0; i < count && cur_ptr != NULL; i++) {
cur_ptr = cur_ptr->previous;
for (int i = 0; i <= count && new_ptr != NULL; i++) {
new_ptr = new_ptr->previous;
}
dlist->work_pointer = cur_ptr;
return cur_ptr;
dlist->work_pointer = new_ptr;
return new_ptr;
}