| Current Path : /usr/src/lib/libc/stdlib/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/lib/libc/stdlib/l64a.c |
/*
* Written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
*/
#if 0
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: l64a.c,v 1.13 2003/07/26 19:24:54 salo Exp $");
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/lib/libc/stdlib/l64a.c 153707 2005-12-24 22:37:59Z trhodes $");
#include <stdlib.h>
#define ADOT 46 /* ASCII '.' */
#define ASLASH ADOT + 1 /* ASCII '/' */
#define A0 48 /* ASCII '0' */
#define AA 65 /* ASCII 'A' */
#define Aa 97 /* ASCII 'a' */
char *
l64a(long value)
{
static char buf[8];
(void)l64a_r(value, buf, sizeof(buf));
return (buf);
}
int
l64a_r(long value, char *buffer, int buflen)
{
long v;
int digit;
v = value & (long)0xffffffff;
for (; v != 0 && buflen > 1; buffer++, buflen--) {
digit = v & 0x3f;
if (digit < 2)
*buffer = digit + ADOT;
else if (digit < 12)
*buffer = digit + A0 - 2;
else if (digit < 38)
*buffer = digit + AA - 12;
else
*buffer = digit + Aa - 38;
v >>= 6;
}
return (v == 0 ? 0 : -1);
}