mkxp/src/serial-util.h

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/*
** serial-util.h
**
** This file is part of mkxp.
**
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
**
** mkxp is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 2 of the License, or
** (at your option) any later version.
**
** mkxp is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SERIALUTIL_H
#define SERIALUTIL_H
#include <stdint.h>
#include <string.h>
#include <SDL_endian.h>
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typedef unsigned uint;
#if SDL_BYTEORDER != SDL_LIL_ENDIAN
#error "Non little endian systems not supported"
#endif
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static inline int16_t
read_int16(const char *data, uint &i)
{
int16_t result;
memcpy(&result, &data[i], 2);
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i += 2;
return result;
}
static inline int32_t
read_int32(const char *data, uint &i)
{
int32_t result;
memcpy(&result, &data[i], 4);
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i += 4;
return result;
}
static inline double
read_double(const char *data, uint &i)
{
double result;
memcpy(&result, &data[i], 8);
i += 8;
return result;
}
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static inline void
write_int16(char **data, int16_t value)
{
memcpy(*data, &value, 2);
*data += 2;
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}
static inline void
write_int32(char **data, int32_t value)
{
memcpy(*data, &value, 4);
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*data += 4;
}
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static inline void
write_double(char **data, double value)
{
memcpy(*data, &value, 8);
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*data += 8;
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}
#endif // SERIALUTIL_H