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circuits_uart

1.6.0
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Discover and use UARTs and serial ports in Elixir

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circuits_uart src ei_copy encode_char.c
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src/ei_copy/encode_char.c 

// SPDX-FileCopyrightText: Ericsson AB 1998-2009. All Rights Reserved.

//

// SPDX-License-Identifier: Apache-2.0

#include "eidef.h"

#include "eiext.h"

#include "putget.h"



int ei_encode_char(char *buf, int *index, char p)

{

  char *s = buf + *index;

  char *s0 = s;



  if (!buf) s += 2;

  else {

    put8(s,ERL_SMALL_INTEGER_EXT);

    put8(s,(p & 0xff));

  }



  *index += s-s0;

  

  return 0;

}