2009-03-04 04:28:35 +01:00
|
|
|
/* $OpenBSD: fileext.h,v 1.2 2005/06/17 20:40:32 espie Exp $ */
|
|
|
|
/* $NetBSD: fileext.h,v 1.5 2003/07/18 21:46:41 nathanw Exp $ */
|
|
|
|
|
|
|
|
/*-
|
|
|
|
* Copyright (c)2001 Citrus Project,
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*
|
|
|
|
* $Citrus$
|
|
|
|
*/
|
|
|
|
|
2014-05-02 12:53:26 +02:00
|
|
|
#ifndef _FILEEXT_H_
|
|
|
|
#define _FILEEXT_H_
|
|
|
|
|
2011-08-29 21:43:46 +02:00
|
|
|
#include <pthread.h>
|
2015-01-21 03:09:05 +01:00
|
|
|
#include <stdbool.h>
|
2011-08-29 21:43:46 +02:00
|
|
|
|
2014-11-20 00:16:51 +01:00
|
|
|
__BEGIN_DECLS
|
|
|
|
|
2009-03-04 04:28:35 +01:00
|
|
|
/*
|
|
|
|
* file extension
|
|
|
|
*/
|
|
|
|
struct __sfileext {
|
2015-01-21 03:09:05 +01:00
|
|
|
struct __sbuf _ub; /* ungetc buffer */
|
2009-03-04 04:28:35 +01:00
|
|
|
struct wchar_io_data _wcio; /* wide char io status */
|
2015-01-21 03:09:05 +01:00
|
|
|
pthread_mutex_t _lock; /* file lock */
|
|
|
|
bool _stdio_handles_locking; /* __fsetlocking support */
|
2009-03-04 04:28:35 +01:00
|
|
|
};
|
|
|
|
|
2015-01-22 01:19:07 +01:00
|
|
|
#if defined(__cplusplus)
|
|
|
|
#define _EXT(fp) reinterpret_cast<__sfileext*>((fp)->_ext._base)
|
|
|
|
#else
|
2009-03-04 04:28:35 +01:00
|
|
|
#define _EXT(fp) ((struct __sfileext *)((fp)->_ext._base))
|
2015-01-22 01:19:07 +01:00
|
|
|
#endif
|
|
|
|
|
2009-03-04 04:28:35 +01:00
|
|
|
#define _UB(fp) _EXT(fp)->_ub
|
2011-08-29 21:43:46 +02:00
|
|
|
#define _FLOCK(fp) _EXT(fp)->_lock
|
2009-03-04 04:28:35 +01:00
|
|
|
|
|
|
|
#define _FILEEXT_INIT(fp) \
|
|
|
|
do { \
|
|
|
|
_UB(fp)._base = NULL; \
|
|
|
|
_UB(fp)._size = 0; \
|
|
|
|
WCIO_INIT(fp); \
|
2015-01-21 03:09:05 +01:00
|
|
|
_FLOCK(fp).value = __PTHREAD_RECURSIVE_MUTEX_INIT_VALUE; \
|
|
|
|
_EXT(fp)->_stdio_handles_locking = true; \
|
2009-03-04 04:28:35 +01:00
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define _FILEEXT_SETUP(f, fext) \
|
|
|
|
do { \
|
|
|
|
(f)->_ext._base = (unsigned char *)(fext); \
|
|
|
|
_FILEEXT_INIT(f); \
|
|
|
|
} while (0)
|
2014-05-02 12:53:26 +02:00
|
|
|
|
2014-11-20 00:16:51 +01:00
|
|
|
__END_DECLS
|
|
|
|
|
2014-05-02 12:53:26 +02:00
|
|
|
#endif /* _FILEEXT_H_ */
|