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circuits_uart

1.5.4
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Discover and use UARTs and serial ports in Elixir

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circuits_uart src ei_copy encode_binary.c
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src/ei_copy/encode_binary.c 

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

//

// SPDX-License-Identifier: Apache-2.0

#include <string.h>

#include "eidef.h"

#include "eiext.h"

#include "putget.h"



int ei_encode_binary(char *buf, int *index, const void *p, long len)

{

  char *s = buf + *index;

  char *s0 = s;



  if (!buf) s += 5;

  else {

    put8(s,ERL_BINARY_EXT);

    put32be(s,len);

    memmove(s,p,len);

  }

  s += len;

  

  *index += s-s0; 



  return 0; 

}