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path: root/support/dktools/dk4strms.c
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/*
Copyright (C) 2016-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	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
*/

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


#line 242 "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
#if	DK4_ON_WINDOWS
#ifndef	_USE_MATH_DEFINES
#define	_USE_MATH_DEFINES 1
#endif
#endif
#include <math.h>
#define	MATH_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_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	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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)
{
#if	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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)
{
#if	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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)
{
#if	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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	DK4_USE_ASSERT
	assert(NULL != strm);
	assert(NULL != str);
#endif
	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	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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	DK4_USE_ASSERT
	assert(NULL != strm);
#endif
	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 : */