Prefer (NULL) spelling of (0) for pointers.

MFC after:	3 days
This commit is contained in:
Robert Watson 2005-01-30 19:29:47 +00:00
parent 77c16eed7c
commit 024105493d

View File

@ -248,7 +248,7 @@ ip_init()
TAILQ_INIT(&in_ifaddrhead);
in_ifaddrhashtbl = hashinit(INADDR_NHASH, M_IFADDR, &in_ifaddrhmask);
pr = pffindproto(PF_INET, IPPROTO_RAW, SOCK_RAW);
if (pr == 0)
if (pr == NULL)
panic("ip_init: PF_INET not found");
/* Initialize the entire ip_protox[] array to IPPROTO_RAW. */
@ -1024,10 +1024,10 @@ ip_reass(struct mbuf *m)
*/
m = q;
t = m->m_next;
m->m_next = 0;
m->m_next = NULL;
m_cat(m, t);
nq = q->m_nextpkt;
q->m_nextpkt = 0;
q->m_nextpkt = NULL;
for (q = nq; q != NULL; q = nq) {
nq = q->m_nextpkt;
q->m_nextpkt = NULL;
@ -1521,11 +1521,11 @@ ip_rtaddr(dst)
rtalloc_ign(&sro, RTF_CLONING);
if (sro.ro_rt == NULL)
return ((struct in_ifaddr *)0);
return (NULL);
ifa = ifatoia(sro.ro_rt->rt_ifa);
RTFREE(sro.ro_rt);
return ifa;
return (ifa);
}
/*
@ -1574,13 +1574,13 @@ ip_srcroute(m0)
opts = (struct ipopt_tag *)m_tag_find(m0, PACKET_TAG_IPOPTIONS, NULL);
if (opts == NULL)
return ((struct mbuf *)0);
return (NULL);
if (opts->ip_nhops == 0)
return ((struct mbuf *)0);
return (NULL);
m = m_get(M_DONTWAIT, MT_HEADER);
if (m == NULL)
return ((struct mbuf *)0);
return (NULL);
#define OPTSIZ (sizeof(opts->ip_srcrt.nop) + sizeof(opts->ip_srcrt.srcopt))
@ -1815,7 +1815,7 @@ ip_forward(struct mbuf *m, int srcrt)
RTFREE(rt);
}
error = ip_output(m, (struct mbuf *)0, NULL, IP_FORWARDING, 0, NULL);
error = ip_output(m, NULL, NULL, IP_FORWARDING, NULL, NULL);
if (error)
ipstat.ips_cantforward++;
else {