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circuits_uart

1.5.5
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Discover and use UARTs and serial ports in Elixir

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circuits_uart src ei_copy decode_binary.c
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src/ei_copy/decode_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_decode_binary(const char *buf, int *index, void *p, long *lenp)

{

  const char *s = buf + *index;

  const char *s0 = s;

  long len;



  if (get8(s) != ERL_BINARY_EXT) return -1;



  len = get32be(s);

  if (p) memmove(p,s,len);

  s += len;



  if (lenp) *lenp = len;

  *index += s-s0; 



  return 0; 

}