1 /* Manage a list of processes. */ 2 3 /* 4 * Copyright (C) 2003-2006 IBM 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of the 9 * License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 19 * 02111-1307, USA. 20 */ 21 22 #include <malloc.h> 23 #include "proclist.h" 24 25 void add_to_proclist(struct proclist_t *list, struct proclist_item_t *item) 26 { 27 struct proclist_item_t *curr; 28 29 if (list->head == NULL) { 30 item->next = NULL; 31 list->head = item; 32 return; 33 } 34 35 curr = list->head; 36 while (curr->next != NULL) { 37 curr = curr->next; 38 } 39 40 item->next = NULL; 41 curr->next = item; 42 } 43 44 void remove_from_proclist(struct proclist_t *list, struct proclist_item_t *item) 45 { 46 struct proclist_item_t *curr, *prev; 47 48 if (list->head == NULL) { 49 return; 50 } 51 52 if (list->head == item) { 53 list->head = item->next; 54 item->next = NULL; 55 return; 56 } 57 58 prev = list->head; 59 curr = list->head->next; 60 61 while (curr != NULL && curr != item) { 62 prev = curr; 63 curr = curr->next; 64 } 65 66 if (curr == NULL) { 67 return; 68 } 69 70 prev->next = item->next; 71 item->next = NULL; 72 } 73
