forked from 0ad/0ad
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
|
// virtual file system - transparent access to files in archives;
|
||
|
|
// allows multiple search paths
|
||
|
|
//
|
||
|
|
// Copyright (c) 2003 Jan Wassenberg
|
||
|
|
//
|
||
|
|
// This program is free software; you can redistribute it and/or
|
||
|
|
// modify it under the terms of the GNU General Public License as
|
||
|
|
// published by the Free Software Foundation; either version 2 of the
|
||
|
|
// License, or (at your option) any later version.
|
||
|
|
//
|
||
|
|
// This program is distributed in the hope that it will be useful, but
|
||
|
|
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
// General Public License for more details.
|
||
|
|
//
|
||
|
|
// Contact info:
|
||
|
|
// Jan.Wassenberg@stud.uni-karlsruhe.de
|
||
|
|
// http://www.stud.uni-karlsruhe.de/~urkt/
|
||
|
|
|
||
|
|
#ifndef __VFS_H__
|
||
|
|
#define __VFS_H__
|
||
|
|
|
||
|
|
#include "h_mgr.h"
|
||
|
|
#include "posix.h"
|
||
|
|
|
||
|
|
#define VFS_MAX_PATH 63
|
||
|
|
|
||
|
|
extern int vfs_set_root(const char* argv0, const char* root);
|
||
|
|
extern int vfs_mount(const char* path);
|
||
|
|
extern int vfs_umount(const char* path);
|
||
|
|
|
||
|
|
extern int vfs_stat(const char* fn, struct stat *buffer);
|
||
|
|
extern int vfs_realpath(const char* fn, char* realpath);
|
||
|
|
|
||
|
|
extern Handle vfs_load(const char* fn, void*& p, size_t& size);
|
||
|
|
|
||
|
|
extern Handle vfs_open(const char* fn, int flags = 0);
|
||
|
|
extern int vfs_close(Handle& h);
|
||
|
|
|
||
|
|
extern Handle vfs_map(Handle hf, int flags, void*& p, size_t& size);
|
||
|
|
|
||
|
|
//
|
||
|
|
// async read interface
|
||
|
|
//
|
||
|
|
|
||
|
|
extern Handle vfs_start_read(const Handle hf, size_t ofs, size_t& advance, void* buf);
|
||
|
|
extern int vfs_wait_read(Handle hr, void*& p, size_t& size);
|
||
|
|
extern int vfs_discard_read(Handle& hr);
|
||
|
|
|
||
|
|
extern ssize_t vfs_io(Handle hf, size_t ofs, size_t size, void*& p);
|
||
|
|
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
VFS_WRITE = 1, // write-only access; otherwise, read only
|
||
|
|
VFS_MODIFY = 2, // want to be able to change in memory data
|
||
|
|
VFS_NOCACHE = 4, // don't cache whole file, e.g. if cached on a higher level
|
||
|
|
VFS_RANDOM = 8 // random access hint, allow offset
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif // #ifndef __VFS_H__
|