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/*
* COPYRIGHT (c) 2009.
* On-Line Applications Research Corporation (OAR).
*
* Copyright (c) 2011 Ralf Corsépius, Ulm, Germany.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <stdlib.h>
#include <limits.h>
#include <rtems/stringto.h>
/*
* Instantiate an error checking wrapper for strtoull (unsigned long long)
*/
rtems_status_code rtems_string_to_unsigned_long_long (
const char *s,
unsigned long long *n,
char **endptr,
int base
)
{
unsigned long long result;
char *end;
if ( !n )
return RTEMS_INVALID_ADDRESS;
errno = 0;
*n = 0;
result = strtoull( s, &end, base );
if ( endptr )
*endptr = end;
if ( end == s )
return RTEMS_NOT_DEFINED;
if ( (result == ULONG_LONG_MAX) && (errno == ERANGE) )
return RTEMS_INVALID_NUMBER;
if ( (result == 0) && (errno == ERANGE) )
return RTEMS_INVALID_NUMBER;
*n = result;
return RTEMS_SUCCESSFUL;
}
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