136 lines
2.5 KiB
C
136 lines
2.5 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
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* or later as published by the Free Software Foundation.
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* See COPYING file for details.
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*/
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include "fsource.h"
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#include <stdlib.h>
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/**
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* Values belong 1000 are reserved for libisofs usage
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*/
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unsigned int iso_fs_global_id = 1000;
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void iso_file_source_ref(IsoFileSource *src)
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{
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++src->refcount;
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}
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void iso_file_source_unref(IsoFileSource *src)
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{
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if (--src->refcount == 0) {
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src->class->free(src);
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free(src);
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}
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}
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void iso_filesystem_ref(IsoFilesystem *fs)
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{
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++fs->refcount;
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}
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void iso_filesystem_unref(IsoFilesystem *fs)
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{
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if (--fs->refcount == 0) {
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fs->free(fs);
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free(fs);
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}
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}
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/*
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* this are just helpers to invoque methods in class
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*/
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inline
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char* iso_file_source_get_path(IsoFileSource *src)
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{
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return src->class->get_path(src);
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}
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inline
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char* iso_file_source_get_name(IsoFileSource *src)
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{
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return src->class->get_name(src);
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}
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inline
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int iso_file_source_lstat(IsoFileSource *src, struct stat *info)
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{
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return src->class->lstat(src, info);
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}
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inline
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int iso_file_source_access(IsoFileSource *src)
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{
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return src->class->access(src);
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}
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inline
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int iso_file_source_stat(IsoFileSource *src, struct stat *info)
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{
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return src->class->stat(src, info);
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}
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inline
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int iso_file_source_open(IsoFileSource *src)
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{
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return src->class->open(src);
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}
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inline
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int iso_file_source_close(IsoFileSource *src)
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{
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return src->class->close(src);
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}
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inline
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int iso_file_source_read(IsoFileSource *src, void *buf, size_t count)
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{
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return src->class->read(src, buf, count);
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}
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inline
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off_t iso_file_source_lseek(IsoFileSource *src, off_t offset, int flag)
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{
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return src->class->lseek(src, offset, flag);
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}
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inline
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int iso_file_source_readdir(IsoFileSource *src, IsoFileSource **child)
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{
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return src->class->readdir(src, child);
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}
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inline
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int iso_file_source_readlink(IsoFileSource *src, char *buf, size_t bufsiz)
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{
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return src->class->readlink(src, buf, bufsiz);
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}
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inline
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IsoFilesystem* iso_file_source_get_filesystem(IsoFileSource *src)
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{
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return src->class->get_filesystem(src);
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}
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inline
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int iso_file_source_get_aa_string(IsoFileSource *src,
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unsigned char **aa_string, int flag)
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{
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if (src->class->version < 1) {
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*aa_string = NULL;
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return 1;
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}
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return src->class->get_aa_string(src, aa_string, flag);
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}
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