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author | rwatson <rwatson@FreeBSD.org> | 2005-01-30 19:29:47 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2005-01-30 19:29:47 +0000 |
commit | 7a3d7a3dc990b339d2582ef7e9c0f057f057d794 (patch) | |
tree | 0129dd17add97785944eb4770afbef75cd6b98a7 /sys/netinet/ip_input.c | |
parent | 060c0cd7474855f366dbdf5888f3a386b26ac0ae (diff) | |
download | FreeBSD-src-7a3d7a3dc990b339d2582ef7e9c0f057f057d794.zip FreeBSD-src-7a3d7a3dc990b339d2582ef7e9c0f057f057d794.tar.gz |
Prefer (NULL) spelling of (0) for pointers.
MFC after: 3 days
Diffstat (limited to 'sys/netinet/ip_input.c')
-rw-r--r-- | sys/netinet/ip_input.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c index 7b2bf87..3021285 100644 --- a/sys/netinet/ip_input.c +++ b/sys/netinet/ip_input.c @@ -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 @@ inserted: */ 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 { |