1 /* $NetBSD: inttostr.c,v 1.1.1.1 2016/01/13 03:15:30 christos Exp $ */
2
3 /* inttostr.c -- convert integers to printable strings
4
5 Copyright (C) 2001 Free Software Foundation, Inc.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software Foundation,
19 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20
21 /* Written by Paul Eggert */
22
23 #include "inttostr.h"
24
25 /* Convert I to a printable string in BUF, which must be at least
26 INT_BUFSIZE_BOUND (INTTYPE) bytes long. Return the address of the
27 printable string, which need not start at BUF. */
28
29 char *
inttostr(inttype i,char * buf)30 inttostr (inttype i, char *buf)
31 {
32 char *p = buf + INT_STRLEN_BOUND (inttype);
33 *p = 0;
34
35 if (i < 0)
36 {
37 do
38 *--p = '0' - i % 10;
39 while ((i /= 10) != 0);
40
41 *--p = '-';
42 }
43 else
44 {
45 do
46 *--p = '0' + i % 10;
47 while ((i /= 10) != 0);
48 }
49
50 return p;
51 }
52