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/*****************************************************************************
* Secure Locate *
* Programmed by: Kevin Lindsay *
* Copyright (c) 1999, 2000 NetNation Communications Inc & Kevin Lindsay *
* ***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h> /* for FreeBSD -matt */
#include "link.h"
/* Initialize 2D List */
dir_item *
init_2D_list()
{
dir_item *listptr;
if ((listptr = (dir_item *)malloc(sizeof(dir_item))) == NULL) {
fprintf(stderr,"Could not allocate memory for init_2D_list!\n");
}
listptr->name = NULL;
listptr->up = NULL;
listptr->down = NULL;
listptr->left = NULL;
listptr->right = NULL;
listptr->empty = 0;
listptr->st_mode=0;
listptr->st_uid=1;
listptr->st_gid=1;
return(listptr);
}
/* Initialize Dest Item List */
/* Add Right to 2D List */
dir_item *
add_right(dir_item *listptr)
{
if ((listptr->right = (dir_item *)malloc(sizeof(dir_item))) == NULL) {
fprintf(stderr,"Could not allocate memory for add_right!\n");
}
listptr->right->left = listptr;
listptr->right->up = NULL;
listptr->right->down = NULL;
listptr->right->right = NULL;
listptr->right->name = NULL;
listptr->right->name_len = 0;
listptr->right->type = 0;
listptr->right->empty = 0;
listptr->right->st_mode=0;
listptr->right->st_uid=1;
listptr->right->st_gid=1;
return(listptr);
}
/* Add Down to 2D List */
dir_item *
add_down(dir_item *listptr)
{
if ((listptr->down = (dir_item *)malloc(sizeof(dir_item))) == NULL) {
fprintf(stderr,"Could not allocate memory for add_down!\n");
}
listptr->down->up = listptr;
listptr->down->left = listptr->left;
listptr->down->down = NULL;
listptr->down->right = NULL;
listptr->down->name = NULL;
listptr->down->name_len = 0;
listptr->down->type = 0;
listptr->down->empty = 0;
listptr->down->st_mode=0;
listptr->down->st_uid=1;
listptr->down->st_gid=1;
return(listptr);
}
/* Free 2D List Right */
dir_item *
free_right(dir_item *listptr)
{
if (listptr->right != NULL) {
listptr = listptr->right;
while (listptr->down != NULL)
listptr = listptr->down;
while (listptr->up != NULL) {
listptr = listptr->up;
free(listptr->down->name);
free(listptr->down);
}
listptr = listptr->left;
free(listptr->right->name);
free(listptr->right);
listptr->right = NULL;
}
return(listptr);
}
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