Init builder implementation.
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/*
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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 "builder.h"
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#include "error.h"
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#include "node.h"
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#include "fsource.h"
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#include <stdlib.h>
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#include <string.h>
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void iso_node_builder_ref(IsoNodeBuilder *builder)
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{
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++builder->refcount;
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}
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void iso_node_builder_unref(IsoNodeBuilder *builder)
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{
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if (--builder->refcount == 0) {
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/* free private data */
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builder->free(builder);
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free(builder);
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}
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}
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static
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int default_create_file(IsoNodeBuilder *builder, IsoFileSource *src,
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IsoFile **file)
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{
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int res;
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struct stat info;
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IsoStream *stream;
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IsoFile *node;
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if (builder == NULL || src == NULL || file == NULL) {
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return ISO_NULL_POINTER;
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}
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res = src->stat(src, &info);
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if (res < 0) {
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return res;
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}
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/* this will fail if src is a dir, is not accessible... */
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res = iso_file_source_stream_new(src, &stream);
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if (res < 0) {
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return res;
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}
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node = malloc(sizeof(IsoFile));
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if (node == NULL) {
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/* the stream has taken our ref to src, so we need to add one */
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iso_file_source_ref(src);
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iso_stream_unref(stream);
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return ISO_MEM_ERROR;
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}
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/* fill node fields */
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node->node.refcount = 1;
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node->node.type = LIBISO_FILE;
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node->node.name = strdup(src->get_name(src));
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node->node.mode = S_IFREG | (info.st_mode & ~S_IFMT);
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node->node.uid = info.st_uid;
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node->node.gid = info.st_gid;
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node->node.atime = info.st_atime;
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node->node.ctime = info.st_ctime;
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node->node.mtime = info.st_mtime;
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node->node.hidden = 0;
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node->node.parent = NULL;
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node->node.next = NULL;
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node->sort_weight = 0;
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node->stream = stream;
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node->msblock = 0;
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*file = node;
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return ISO_SUCCESS;
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}
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void default_free(IsoNodeBuilder *builder)
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{
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return;
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}
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int iso_node_basic_builder_new(IsoNodeBuilder **builder)
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{
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IsoNodeBuilder *b;
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if (builder == NULL) {
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return ISO_NULL_POINTER;
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}
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b = malloc(sizeof(IsoNodeBuilder));
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if (b == NULL) {
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return ISO_MEM_ERROR;
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}
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b->refcount = 1;
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b->data = NULL;
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b->create_file = default_create_file;
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b->free = default_free;
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*builder = b;
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return ISO_SUCCESS;
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}
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