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alcove

0.30.0
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Control plane for Unix processes, containers and sandboxes

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alcove c_src term decode uint.c
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c_src/term/decode/uint.c 

/* Copyright (c) 2014, Michael Santos <michael.santos@gmail.com>

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

#include "alcove.h"



int alcove_decode_uint(const char *buf, size_t len, int *index, u_int32_t *n) {

  unsigned long val = 0;



  if (alcove_decode_ulong(buf, len, index, &val) < 0 || val > UINT32_MAX)

    return -1;



  *n = val;



  return 0;

}