Line data    Source code

       1             : /* inttostr.c -- convert integers to printable strings
       2             : 
       3             :    Copyright (C) 2001, 2006 Free Software Foundation, Inc.
       4             : 
       5             :    This program is free software: you can redistribute it and/or modify
       6             :    it under the terms of the GNU General Public License as published by
       7             :    the Free Software Foundation; either version 3 of the License, or
       8             :    (at your option) any later version.
       9             : 
      10             :    This program is distributed in the hope that it will be useful,
      11             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             :    GNU General Public License for more details.
      14             : 
      15             :    You should have received a copy of the GNU General Public License
      16             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      17             : 
      18             : /* Written by Paul Eggert */
      19             : 
      20             : #include <config.h>
      21             : 
      22             : #include "inttostr.h"
      23             : 
      24             : /* Convert I to a printable string in BUF, which must be at least
      25             :    INT_BUFSIZE_BOUND (INTTYPE) bytes long.  Return the address of the
      26             :    printable string, which need not start at BUF.  */
      27             : 
      28             : char *
      29         407 : inttostr (inttype i, char *buf)
      30             : {
      31         407 :   char *p = buf + INT_STRLEN_BOUND (inttype);
      32         407 :   *p = 0;
      33             : 
      34          75 :   if (i < 0)
      35             :     {
      36             :       do
      37         119 :         *--p = '0' - i % 10;
      38         119 :       while ((i /= 10) != 0);
      39             : 
      40          10 :       *--p = '-';
      41             :     }
      42             :   else
      43             :     {
      44             :       do
      45         437 :         *--p = '0' + i % 10;
      46         437 :       while ((i /= 10) != 0);
      47             :     }
      48             : 
      49         407 :   return p;
      50             : }