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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2016-xxxx
SPDX-License-Identifier:	BSD-3-Clause

%%	header

/**	@file	dk4svbufa.h	Set file buffer.
*/

#ifndef	DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif

#ifndef	STDIO_H_INCLUDED
#include <stdio.h>
#define	STDIO_H_INCLUDED 1
#endif

#ifndef	DK4SVBUF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4svbuf.h"
#else
#include <dktools-4/dk4svbuf.h>
#endif
#endif

#ifndef	DK4APP_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4app.h"
#else
#include <dktools-4/dk4app.h>
#endif
#endif


#ifdef	__cplusplus
extern "C" {
#endif

/**	Change buffering for FILE.
	@param	fipo	File to change buffering for.
	@param	pbuf	Address of buffer to use, may be NULL.
	@param	btype	Buffering type, one from: _IONBF, _IOLBF or _IOFBF
					(not buffered, line buffered, fully buffered).
	@param	szbuf	Size of buffer, may be 0.
	@param	fn	File to to change buffering for, may be NULL.
	@param	app	Application structure for diagnostics, may be NULL.
	@return	1 on success, 0 on error.
*/
int
dk4setvbuf_app(
	FILE					*fipo,
	dk4_file_buffering_t	 btype,
	char	 				*pbuf,
	size_t					 szbuf,
	const dkChar			*fn,
	dk4_app_t				*app
);

#ifdef	__cplusplus
}
#endif

/* vim: set ai sw=4 ts=4 : */
%%	module


#include "dk4conf.h"
#include "dk4svbufa.h"

#if DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif


$!trace-include



int
dk4setvbuf_app(
	FILE					*fipo,
	dk4_file_buffering_t	 btype,
	char	 				*pbuf,
	size_t					 szbuf,
	const dkChar			*fn,
	dk4_app_t				*app
)
{
	dk4_er_t	er;
	int			back	= 0;
	int			ll		= DK4_LL_ERROR;

#if	DK4_USE_ASSERT
	assert(NULL != fipo);
#endif
	if (NULL != fipo) {
		dk4error_init(&er);
		back = dk4setvbuf(fipo, btype, pbuf, szbuf, &er);
		if (DK4_E_NONE != er.ec) {
			if (0 != back) {
				ll = DK4_LL_WARNING;
			}
			if (NULL != fn) {
				dk4app_log_base3(app, ll, 156, 157, fn);
			}
			else {
				dk4app_log_base1(app, ll, 155);
			}
			if (DK4_E_NOT_SUPPORTED == er.ec) {
				dk4app_log_base1(app, ll, 158);
			}
		}
	}
	return back;
}

/* vim: set ai sw=4 ts=4 : */