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path: root/support/dktools/dk4strms.c
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/*
	WARNING: This file was generated by dkct.
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4strms.ctr
*/

/*
Copyright (C) 2016-2017, Dirk Krause

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
  to endorse or promote products derived from this software without specific
  prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/

/**	@file dk4strms.c The dk4strms module.
*/


#line 226 "dk4strms.ctr"


#include "dk4conf.h"

#if	DK4_HAVE_STRING_H
#ifndef	STRING_H_INCLUDED
#include <string.h>
#define	STRING_H_INCLUDED 1
#endif
#endif

#if	DK4_HAVE_MATH_H
#ifndef	MATH_H_INCLUDED
#include <math.h>
#define	MATH_H_INCLUDED 1
#endif
#endif

#include "dk4strms.h"
#include "dk4mao8dbl.h"


int
dk4stream_serialize_u32(dk4_stream_t *strm, uint32_t u32, dk4_er_t *erp)
{
	unsigned char	buf[8];
	int				back	= 0;

	if (NULL != strm) {
		buf[0] = (unsigned char)( u32        & 0x000000FFUL);
		buf[1] = (unsigned char)((u32 >>  8) & 0x000000FFUL);
		buf[2] = (unsigned char)((u32 >> 16) & 0x000000FFUL);
		buf[3] = (unsigned char)((u32 >> 24) & 0x000000FFUL);
		back = dk4stream_write(strm, buf, 4, erp);
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	return back;
}



int
dk4stream_serialize_i32(dk4_stream_t *strm, int32_t i32, dk4_er_t *erp)
{
	return ( dk4stream_serialize_u32(strm, (uint32_t)i32, erp) );
}



int
dk4stream_serialize_u16(dk4_stream_t *strm, uint16_t u16, dk4_er_t *erp)
{
	unsigned char	buf[8];
	int				back	= 0;

	if (NULL != strm) {
		buf[0] = (unsigned char)( u16       & 0x00FFU);
		buf[1] = (unsigned char)((u16 >> 8) & 0x00FFU);
		back = dk4stream_write(strm, buf, 2, erp);
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	return back;
}



int
dk4stream_serialize_i16(dk4_stream_t *strm, int16_t i16, dk4_er_t *erp)
{
	return ( dk4stream_serialize_u16(strm, (uint16_t)i16, erp) );
}



int
dk4stream_serialize_u8(dk4_stream_t *strm, uint8_t u8, dk4_er_t *erp)
{
	unsigned char	uc;
	int				back	= 0;

	if (NULL != strm) {
		uc = (unsigned char)u8;
		back = dk4stream_write(strm, &uc, 1, erp);
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	return  back;
}



int
dk4stream_serialize_i8(dk4_stream_t *strm, int8_t i8, dk4_er_t *erp)
{
	return ( dk4stream_serialize_u8(strm, (uint8_t)i8, erp) );
}



int
dk4stream_serialize_string(dk4_stream_t *strm, const char *str, dk4_er_t *erp)
{
	size_t		sl		= 0;
	int			back	= 0;

	if ((NULL != strm) && (NULL != str)) {
		sl = strlen(str);
		if (((size_t)0xFFFFU) > sl) {
			sl++;
			if (0 < dk4stream_serialize_u16(strm, (uint16_t)sl, erp)) {
				back = dk4stream_write(strm, str, sl, erp);
			}
			else {
				/* ERROR: Failed to serialize string length already reported  */
			}
		}
		else {
			dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
		}
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	return back;
}



int
dk4stream_serialize_double(dk4_stream_t *strm,double d,double e,dk4_er_t *erp)
{
	char		buf[16*sizeof(double)];
	size_t		szbuf	= sizeof(buf);
	int			back	= 0;
	if (NULL != strm) {
		if (fabs(d) < e) {
			back = dk4stream_serialize_u16(strm, (uint16_t)0U, erp);
		}
		else {
			if (0 < dk4ma_write_c8_double(buf, szbuf, d, 1, 1, erp)) {
				back = dk4stream_serialize_string(strm, buf, erp);
			}
			else {
				/* ##### ERROR: Failed to write double to string */
			}
		}
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	return back;
}



int
dk4stream_serialize_double_0(dk4_stream_t *strm, dk4_er_t *erp)
{
	int		back	= 0;

	if (NULL != strm) {
		back = dk4stream_serialize_u16(strm, 0U, erp);
	}
	else {
		dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
	}
	return back;
}



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