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102 lines
2.2 KiB
102 lines
2.2 KiB
/*
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* proc-llist.c - Minimal linked list library
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* Copyright (c) 2009 Red Hat Inc., Durham, North Carolina.
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* All Rights Reserved.
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*
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* This software may be freely redistributed and/or modified under the
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* terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to the
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* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Authors:
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* Steve Grubb <sgrubb@redhat.com>
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include "proc-llist.h"
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void list_create(llist *l)
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{
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l->head = NULL;
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l->cur = NULL;
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l->cnt = 0;
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}
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void list_append(llist *l, lnode *node)
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{
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lnode* newnode;
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if (node == NULL || l == NULL)
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return;
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newnode = malloc(sizeof(lnode));
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if (newnode == NULL)
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return;
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newnode->ppid = node->ppid;
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newnode->pid = node->pid;
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newnode->uid = node->uid;
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newnode->inode = node->inode;
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// Take custody of the memory
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newnode->cmd = node->cmd;
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newnode->capabilities = node->capabilities;
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newnode->bounds = node->bounds;
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newnode->next = NULL;
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// if we are at top, fix this up
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if (l->head == NULL)
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l->head = newnode;
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else // Otherwise add pointer to newnode
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l->cur->next = newnode;
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// make newnode current
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l->cur = newnode;
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l->cnt++;
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}
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void list_clear(llist* l)
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{
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lnode* nextnode;
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register lnode* cur;
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cur = l->head;
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while (cur) {
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nextnode=cur->next;
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free(cur->cmd);
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free(cur->capabilities);
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free(cur->bounds);
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free(cur);
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cur=nextnode;
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}
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l->head = NULL;
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l->cur = NULL;
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l->cnt = 0;
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}
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lnode *list_find_inode(llist *l, unsigned long i)
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{
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register lnode* cur;
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cur = l->head; /* start at the beginning */
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while (cur) {
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if (cur->inode == i) {
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l->cur = cur;
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return cur;
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} else
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cur = cur->next;
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}
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return NULL;
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}
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