NetBSD/lib/libc/stdlib/l64a.c

50 lines
718 B
C

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: l64a.c,v 1.6 1997/07/21 14:08:53 jtc Exp $");
#endif
#include "namespace.h"
#include <stdlib.h>
#ifdef __weak_alias
__weak_alias(l64a,_l64a);
#endif
char *
l64a (value)
long value;
{
static char buf[8];
char *s = buf;
int digit;
int i;
if (!value)
return NULL;
for (i = 0; value != 0 && i < 6; i++) {
digit = value & 0x3f;
if (digit < 2)
*s = digit + '.';
else if (digit < 12)
*s = digit + '0' - 2;
else if (digit < 38)
*s = digit + 'A' - 12;
else
*s = digit + 'a' - 38;
value >>= 6;
s++;
}
*s = '\0';
return buf;
}