[lttng-ust.git] / snprintf / fileext.h

/*	$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.
 *
 * $Citrus$
 */

/*
 * file extension
 */
struct __lttng_ust_sfileext {
	struct	__lttng_ust_sbuf _ub; /* ungetc buffer */
	struct wchar_io_data _wcio;	/* wide char io status */
};

#define _EXT(fp) ((struct __lttng_ust_sfileext *)((fp)->_ext._base))
#define _UB(fp) _EXT(fp)->_ub

#define _FILEEXT_INIT(fp) \
do { \
	_UB(fp)._base = NULL; \
	_UB(fp)._size = 0; \
	WCIO_INIT(fp); \
} while (0)

#define _FILEEXT_SETUP(f, fext) \
do { \
	(f)->_ext._base = (unsigned char *)(fext); \
	_FILEEXT_INIT(f); \
} while (0)
Commit	Line	Data
	1	/* $OpenBSD: fileext.h,v 1.2 2005/06/17 20:40:32 espie Exp $ */
	2	/* $NetBSD: fileext.h,v 1.5 2003/07/18 21:46:41 nathanw Exp $ */
	3
	4	/*-
	5	* Copyright (c)2001 Citrus Project,
	6	* All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	*
	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	18	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	19	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	20	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	21	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	22	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	23	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	24	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	25	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	26	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	27	* SUCH DAMAGE.
	28	*
	29	* $Citrus$
	30	*/
	31
	32	/*
	33	* file extension
	34	*/
	35	struct __lttng_ust_sfileext {
	36	struct __lttng_ust_sbuf _ub; /* ungetc buffer */
	37	struct wchar_io_data _wcio; /* wide char io status */
	38	};
	39
	40	#define _EXT(fp) ((struct __lttng_ust_sfileext *)((fp)->_ext._base))
	41	#define _UB(fp) _EXT(fp)->_ub
	42
	43	#define _FILEEXT_INIT(fp) \
	44	do { \
	45	_UB(fp)._base = NULL; \
	46	_UB(fp)._size = 0; \
	47	WCIO_INIT(fp); \
	48	} while (0)
	49
	50	#define _FILEEXT_SETUP(f, fext) \
	51	do { \
	52	(f)->_ext._base = (unsigned char *)(fext); \
	53	_FILEEXT_INIT(f); \
	54	} while (0)