/* anytostr.c -- convert integers to printable strings

   Copyright (C) 2001, 2006, 2008-2017 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Paul Eggert */

/* Tell gcc not to warn about the (i < 0) test, below.  */

#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__

# pragma GCC diagnostic ignored "-Wtype-limits"

#elif defined __clang__

# pragma clang diagnostic ignored "-Wtautological-compare"

#endif

#include <config.h>

#include "inttostr.h"

/* Convert I to a printable string in BUF, which must be at least

   INT_BUFSIZE_BOUND (INTTYPE) bytes long.  Return the address of the

   printable string, which need not start at BUF.  */

char * __attribute_warn_unused_result__

anytostr (inttype i, char *buf)

{

  char *p = buf + INT_STRLEN_BOUND (inttype);

  *p = 0;

  if (i < 0)

    {

      do

        *--p = '0' - i % 10;

      while ((i /= 10) != 0);

      *--p = '-';

    }

  else

    {

      do

        *--p = '0' + i % 10;

      while ((i /= 10) != 0);

    }

  return p;

}