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/*
* Copyright (c) 2013 Proofpoint, Inc. and its suppliers.
* All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*/
#include <sm/gen.h>
SM_RCSID("@(#)$Id: inet6_ntop.c,v 1.2 2013-11-22 20:51:43 ca Exp $")
#if NETINET6
# include <sm/conf.h>
# include <sm/types.h>
# include <sm/io.h>
# include <sm/string.h>
# include <netinet/in.h>
/*
** SM_INET6_NTOP -- convert IPv6 address to ASCII string (uncompressed)
**
** Parameters:
** ipv6 -- IPv6 address
** dst -- ASCII representation of address (output)
** len -- length of dst
**
** Returns:
** error: NULL
*/
char *
sm_inet6_ntop(ipv6, dst, len)
const void *ipv6;
char *dst;
size_t len;
{
SM_UINT16 *u16;
int r;
u16 = (SM_UINT16 *)ipv6;
r = sm_snprintf(dst, len,
"%x:%x:%x:%x:%x:%x:%x:%x"
, htons(u16[0])
, htons(u16[1])
, htons(u16[2])
, htons(u16[3])
, htons(u16[4])
, htons(u16[5])
, htons(u16[6])
, htons(u16[7])
);
if (r > 0)
return dst;
return NULL;
}
#endif /* NETINET6 */
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