l64a.c revision 1.6 
1/*
2 * Written by J.T. Conklin <jtc@netbsd.org>.
3 * Public domain.
4 */
5
6#include <sys/cdefs.h>
7#if defined(LIBC_SCCS) && !defined(lint)
8__RCSID("$NetBSD: l64a.c,v 1.6 1997/07/21 14:08:53 jtc Exp $");
9#endif
10
11#include "namespace.h"
12#include <stdlib.h>
13
14#ifdef __weak_alias
15__weak_alias(l64a,_l64a);
16#endif
17
18char *
19l64a (value)
20	long value;
21{
22	static char buf[8];
23	char *s = buf;
24	int digit;
25	int i;
26
27	if (!value)
28		return NULL;
29
30	for (i = 0; value != 0 && i < 6; i++) {
31		digit = value & 0x3f;
32
33		if (digit < 2)
34			*s = digit + '.';
35		else if (digit < 12)
36			*s = digit + '0' - 2;
37		else if (digit < 38)
38			*s = digit + 'A' - 12;
39		else
40			*s = digit + 'a' - 38;
41
42		value >>= 6;
43		s++;
44	}
45
46	*s = '\0';
47
48	return buf;
49}
50