Suricata

static const char *PrintInetIPv6(const void *src, char *dst, socklen_t size)

{

struct in6_addr * insrc = (struct in6_addr *) src;

int i;

char s_part[6];

/* current IPv6 format is fixed size */

if (size < 8 * 5) {

SCLogWarning(SC_ERR_ARG_LEN_LONG, "Too small buffer to write IPv6 address");

return NULL;

}

memset(dst, 0, size);

for(i = 0; i < 8; i++) {

snprintf(s_part, 6, "%04x:", htons(insrc->s6_addr16[i]));

strlcat(dst, s_part, size);

}

/* suppress last ':' */

dst[strlen(dst) - 1] = 0;

return dst;

}

const char *PrintInet(int af, const void *src, char *dst, socklen_t size)

{

switch (af) {

case AF_INET:

return inet_ntop(af, src, dst, size);

case AF_INET6:

/* Format IPv6 without deleting zeroes */

return PrintInetIPv6(src, dst, size);

default:

SCLogError(SC_ERR_INVALID_VALUE, "Unsupported protocol: %d", af);

}

return NULL;

}

const char *PrintInet(int , const void *, char *, socklen_t);