[src/trunk]: src/sys/net Use NULL instead of 0 for pointers

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1d0b48826c9c
branches:  trunk
changeset: 331276:1d0b48826c9c
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Aug 07 03:40:21 2014 +0000

description:
Use NULL instead of 0 for pointers

diffstat:

 sys/net/bpf.c |  50 +++++++++++++++++++++++++-------------------------
 1 files changed, 25 insertions(+), 25 deletions(-)

diffs (200 lines):

diff -r b39d97870943 -r 1d0b48826c9c sys/net/bpf.c
--- a/sys/net/bpf.c     Thu Aug 07 02:28:52 2014 +0000
+++ b/sys/net/bpf.c     Thu Aug 07 03:40:21 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bpf.c,v 1.186 2014/07/28 07:32:46 alnsn Exp $  */
+/*     $NetBSD: bpf.c,v 1.187 2014/08/07 03:40:21 ozaki-r Exp $        */
 
 /*
  * Copyright (c) 1990, 1991, 1993
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.186 2014/07/28 07:32:46 alnsn Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.187 2014/08/07 03:40:21 ozaki-r Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_bpf.h"
@@ -300,7 +300,7 @@
                return (EIO);
 
        m = m_gethdr(M_WAIT, MT_DATA);
-       m->m_pkthdr.rcvif = 0;
+       m->m_pkthdr.rcvif = NULL;
        m->m_pkthdr.len = (int)(len - hlen);
        if (len + align > MHLEN) {
                m_clget(m, M_WAIT);
@@ -387,16 +387,16 @@
        p = &bp->bif_dlist;
        while (*p != d) {
                p = &(*p)->bd_next;
-               if (*p == 0)
+               if (*p == NULL)
                        panic("%s: descriptor not in list", __func__);
        }
        *p = (*p)->bd_next;
-       if (bp->bif_dlist == 0)
+       if (bp->bif_dlist == NULL)
                /*
                 * Let the driver know that there are no more listeners.
                 */
-               *d->bd_bif->bif_driverp = 0;
-       d->bd_bif = 0;
+               *d->bd_bif->bif_driverp = NULL;
+       d->bd_bif = NULL;
 }
 
 static int
@@ -514,7 +514,7 @@
        (d)->bd_hlen = (d)->bd_slen; \
        (d)->bd_sbuf = (d)->bd_fbuf; \
        (d)->bd_slen = 0; \
-       (d)->bd_fbuf = 0;
+       (d)->bd_fbuf = NULL;
 /*
  *  bpfread - read next chunk of packets from buffers
  */
@@ -546,7 +546,7 @@
         * ends when the timeout expires or when enough packets
         * have arrived to fill the store buffer.
         */
-       while (d->bd_hbuf == 0) {
+       while (d->bd_hbuf == NULL) {
                if (fp->f_flag & FNONBLOCK) {
                        if (d->bd_slen == 0) {
                                splx(s);
@@ -612,7 +612,7 @@
 
        s = splnet();
        d->bd_fbuf = d->bd_hbuf;
-       d->bd_hbuf = 0;
+       d->bd_hbuf = NULL;
        d->bd_hlen = 0;
 done:
        splx(s);
@@ -673,7 +673,7 @@
 
        KERNEL_LOCK(1, NULL);
 
-       if (d->bd_bif == 0) {
+       if (d->bd_bif == NULL) {
                KERNEL_UNLOCK_ONE(NULL);
                return (ENXIO);
        }
@@ -738,7 +738,7 @@
        if (d->bd_hbuf) {
                /* Free the hold buffer. */
                d->bd_fbuf = d->bd_hbuf;
-               d->bd_hbuf = 0;
+               d->bd_hbuf = NULL;
        }
        d->bd_slen = 0;
        d->bd_hlen = 0;
@@ -827,7 +827,7 @@
         * Set buffer length.
         */
        case BIOCSBLEN:
-               if (d->bd_bif != 0)
+               if (d->bd_bif != NULL)
                        error = EINVAL;
                else {
                        u_int size = *(u_int *)addr;
@@ -860,7 +860,7 @@
         * Put interface into promiscuous mode.
         */
        case BIOCPROMISC:
-               if (d->bd_bif == 0) {
+               if (d->bd_bif == NULL) {
                        /*
                         * No interface attached yet.
                         */
@@ -880,7 +880,7 @@
         * Get device parameters.
         */
        case BIOCGDLT:
-               if (d->bd_bif == 0)
+               if (d->bd_bif == NULL)
                        error = EINVAL;
                else
                        *(u_int *)addr = d->bd_bif->bif_dlt;
@@ -890,7 +890,7 @@
         * Get a list of supported device parameters.
         */
        case BIOCGDLTLIST:
-               if (d->bd_bif == 0)
+               if (d->bd_bif == NULL)
                        error = EINVAL;
                else
                        error = bpf_getdltlist(d, addr);
@@ -900,7 +900,7 @@
         * Set device parameters.
         */
        case BIOCSDLT:
-               if (d->bd_bif == 0)
+               if (d->bd_bif == NULL)
                        error = EINVAL;
                else
                        error = bpf_setdlt(d, *(u_int *)addr);
@@ -913,7 +913,7 @@
        case OBIOCGETIF:
 #endif
        case BIOCGETIF:
-               if (d->bd_bif == 0)
+               if (d->bd_bif == NULL)
                        error = EINVAL;
                else
                        bpf_ifname(d->bd_bif->bif_ifp, addr);
@@ -1178,10 +1178,10 @@
        /*
         * Look through attached interfaces for the named one.
         */
-       for (bp = bpf_iflist; bp != 0; bp = bp->bif_next) {
+       for (bp = bpf_iflist; bp != NULL; bp = bp->bif_next) {
                struct ifnet *ifp = bp->bif_ifp;
 
-               if (ifp == 0 ||
+               if (ifp == NULL ||
                    strcmp(ifp->if_xname, ifr->ifr_name) != 0)
                        continue;
                /* skip additional entry */
@@ -1193,7 +1193,7 @@
                 * If we're already attached to requested interface,
                 * just flush the buffer.
                 */
-               if (d->bd_sbuf == 0) {
+               if (d->bd_sbuf == NULL) {
                        error = bpf_allocbufs(d);
                        if (error != 0)
                                return (error);
@@ -1650,7 +1650,7 @@
                 * Rotate the buffers if we can, then wakeup any
                 * pending reads.
                 */
-               if (d->bd_fbuf == 0) {
+               if (d->bd_fbuf == NULL) {
                        /*
                         * We haven't completed the previous read yet,
                         * so drop the packet.
@@ -1769,10 +1769,10 @@
 {
        struct bpf_if *bp;
        bp = malloc(sizeof(*bp), M_DEVBUF, M_DONTWAIT);
-       if (bp == 0)
+       if (bp == NULL)
                panic("bpfattach");
 
-       bp->bif_dlist = 0;
+       bp->bif_dlist = NULL;
        bp->bif_driverp = driverp;
        bp->bif_ifp = ifp;
        bp->bif_dlt = dlt;
@@ -1780,7 +1780,7 @@
        bp->bif_next = bpf_iflist;
        bpf_iflist = bp;
 
-       *bp->bif_driverp = 0;
+       *bp->bif_driverp = NULL;
 
        bp->bif_hdrlen = hdrlen;
 #if 0