| /* Manage a list of processes. */ |
| |
| /* |
| * Copyright (C) 2003-2006 IBM |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of the |
| * License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| * 02111-1307, USA. |
| */ |
| |
| #include <malloc.h> |
| #include "proclist.h" |
| |
| void add_to_proclist(struct proclist_t *list, struct proclist_item_t *item) { |
| struct proclist_item_t *curr; |
| |
| if (list->head == NULL) { |
| item->next = NULL; |
| list->head = item; |
| return; |
| } |
| |
| curr = list->head; |
| while (curr->next != NULL) { |
| curr = curr->next; |
| } |
| |
| item->next = NULL; |
| curr->next = item; |
| } |
| |
| void remove_from_proclist(struct proclist_t *list, struct proclist_item_t *item) { |
| struct proclist_item_t *curr, *prev; |
| |
| if (list->head == NULL) { |
| return; |
| } |
| |
| if (list->head == item) { |
| list->head = item->next; |
| item->next = NULL; |
| return; |
| } |
| |
| prev = list->head; |
| curr = list->head->next; |
| |
| while (curr != NULL && curr != item) { |
| prev = curr; |
| curr = curr->next; |
| } |
| |
| if (curr == NULL) { |
| return; |
| } |
| |
| prev->next = item->next; |
| item->next = NULL; |
| } |