#include <stddef.h>
#include "string.h"
#include "strmemccpy.h"
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
     Written by James Clark (jjc@jclark.com)

This file was part of groff.

groff 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 2, or (at your option) any later
version.

groff 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 groff; see the file COPYING.  If not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

#define INT_DIGITS 19		/* enough for 64 bit integer */

char *itoa_buf(char *buf, size_t bufsz, long int i)
{
  /* Room for INT_DIGITS digits, - and '\0' */
  static char intbuf[INT_DIGITS + 2];
  char *p = intbuf + INT_DIGITS + 1;	/* points to terminating '\0' */
  if (i >= 0) {
    do {
      *--p = '0' + (i % 10);
      i /= 10;
    } while (i != 0);
  }
  else { /* i < 0 */
    do {
      *--p = '0' - (i % 10);
      i /= 10;
    } while (i != 0);
    *--p = '-';
  }
  strmemccpy(buf, p, bufsz);
  return buf;
}
