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0ad/source/lib/sysdep/filesystem.h

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3.2 KiB
C

/* Copyright (c) 2010 Wildfire Games
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* wchar_t versions of POSIX filesystem functions
*/
#ifndef INCLUDED_FILESYSTEM
#define INCLUDED_FILESYSTEM
#include "lib/os_path.h"
#include "lib/posix/posix_filesystem.h" // mode_t
//
// dirent.h
//
struct WDIR;
struct wdirent
{
// note: SUSv3 describes this as a "char array" but of unspecified size.
// since that precludes using sizeof(), we may as well declare as a
// pointer to avoid copying in the implementation.
wchar_t* d_name;
};
extern WDIR* wopendir(const OsPath& path);
extern struct wdirent* wreaddir(WDIR*);
// return status for the file returned by the last successful
// wreaddir call from the given directory stream.
// currently sets st_size, st_mode, and st_mtime; the rest are zeroed.
// non-portable, but considerably faster than stat(). used by dir_ForEachSortedEntry.
extern int wreaddir_stat_np(WDIR*, struct stat*);
extern int wclosedir(WDIR*);
//
// fcntl.h
//
// Win32 _wsopen_s flags not specified by POSIX:
#define O_TEXT_NP 0x4000 // file mode is text (translated)
#define O_BINARY_NP 0x8000 // file mode is binary (untranslated)
// waio flags not specified by POSIX nor implemented by Win32 _wsopen_s:
// do not open a separate AIO-capable handle.
// (this can be used for small files where AIO overhead isn't worthwhile,
// thus speeding up loading and reducing resource usage.)
#define O_NO_AIO_NP 0x20000
// POSIX flags not supported by the underlying Win32 _wsopen_s:
#if OS_WIN
#define O_NONBLOCK 0x1000000
#endif
extern int wopen(const OsPath& pathname, int oflag);
extern int wopen(const OsPath& pathname, int oflag, mode_t mode);
extern int wclose(int fd);
//
// unistd.h
//
LIB_API int wtruncate(const OsPath& pathname, off_t length);
LIB_API int wunlink(const OsPath& pathname);
LIB_API int wrmdir(const OsPath& path);
//
// stdio.h
//
LIB_API int wrename(const OsPath& pathnameOld, const OsPath& pathnameNew);
//
// stdlib.h
//
LIB_API OsPath wrealpath(const OsPath& pathname);
//
// sys/stat.h
//
LIB_API int wstat(const OsPath& pathname, struct stat* buf);
LIB_API int wmkdir(const OsPath& path, mode_t mode);
#endif // #ifndef INCLUDED_FILESYSTEM