123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/*
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* Copyright (c) 2007 Vreixo Formoso
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*
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* This file is part of the libisofs project; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation. See COPYING file for details.
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*/
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#include "node.h"
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#include "libisofs.h"
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#include <stdlib.h>
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#include <string.h>
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/**
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* Increments the reference counting of the given node.
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*/
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void iso_node_ref(IsoNode *node)
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{
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++node->refcount;
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}
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/**
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* Decrements the reference couting of the given node.
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* If it reach 0, the node is free, and, if the node is a directory,
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* its children will be unref() too.
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*/
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void iso_node_unref(IsoNode *node)
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{
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if (--node->refcount == 0) {
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/* TODO #00002 handle deletion of each kind of node */
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free(node->name);
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free(node);
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}
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}
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/**
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* Set the name of a node.
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*
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* @param name The name in UTF-8 encoding
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*/
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void iso_node_set_name(IsoNode *node, const char *name)
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{
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free(node->name);
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node->name = strdup(name);
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}
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/**
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* Get the name of a node (in UTF-8).
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* The returned string belongs to the node and should not be modified nor
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* freed. Use strdup if you really need your own copy.
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*/
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const char *iso_node_get_name(const IsoNode *node)
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{
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return node->name;
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}
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/**
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* Set the permissions for the node. This attribute is only useful when
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* Rock Ridge extensions are enabled.
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*
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* @param mode
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* bitmask with the permissions of the node, as specified in 'man 2 stat'.
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* The file type bitfields will be ignored, only file permissions will be
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* modified.
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*/
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void iso_node_set_permissions(IsoNode *node, mode_t mode)
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{
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node->mode = (node->mode & S_IFMT) | (mode & ~S_IFMT);
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}
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/**
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* Get the permissions for the node
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*/
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mode_t iso_node_get_permissions(const IsoNode *node)
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{
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return node->mode & ~S_IFMT;
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}
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/**
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* Get the mode of the node, both permissions and file type, as specified in
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* 'man 2 stat'.
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*/
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mode_t iso_node_get_mode(const IsoNode *node)
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{
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return node->mode;
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}
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/**
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* Set the user id for the node. This attribute is only useful when
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* Rock Ridge extensions are enabled.
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*/
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void iso_node_set_uid(IsoNode *node, uid_t uid)
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{
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node->uid = uid;
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}
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/**
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* Get the user id of the node.
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*/
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uid_t iso_node_get_uid(const IsoNode *node)
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{
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return node->uid;
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}
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/**
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* Set the group id for the node. This attribute is only useful when
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* Rock Ridge extensions are enabled.
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*/
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void iso_node_set_gid(IsoNode *node, gid_t gid)
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{
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node->gid = gid;
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}
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/**
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* Get the group id of the node.
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*/
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gid_t iso_node_get_gid(const IsoNode *node)
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{
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return node->gid;
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}
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