Compare pointers with NULL rather than 0, or treating them as boolans in

if statements.

at_rmx gets a $FreeBSD$ out of the deal also (this code appears to be
unused).

6 files changed, 14 insertions, 13 deletions

diff --git a/sys/netatalk/aarp.c b/sys/netatalk/aarp.c
index b789d3a..18b47e7 100644
--- a/sys/netatalk/aarp.c
+++ b/sys/netatalk/aarp.c
@@ -39,7 +39,7 @@ static struct aarptab	aarptab[AARPTAB_SIZE];
 #define AARPTAB_HASH(a) \
     ((((a).s_net << 8) + (a).s_node) % AARPTAB_NB)
 
-#define AARPTAB_LOOK(aat,addr) { \
+#define AARPTAB_LOOK(aat, addr) { \
     int		n; \
     aat = &aarptab[ AARPTAB_HASH(addr) * AARPTAB_BSIZ ]; \
     for (n = 0; n < AARPTAB_BSIZ; n++, aat++) \
@@ -47,7 +47,7 @@ static struct aarptab	aarptab[AARPTAB_SIZE];
 	     aat->aat_ataddr.s_node == (addr).s_node) \
 	    break; \
 	if (n >= AARPTAB_BSIZ) \
-	    aat = 0; \
+	    aat = NULL; \
 }
 
 #define AARPT_AGE	(60 * 1)
@@ -233,9 +233,9 @@ aarpresolve(ac, m, destsat, desten)
 
     s = splimp();
     AARPTAB_LOOK(aat, destsat->sat_addr);
-    if (aat == 0) {			/* No entry */
+    if (aat == NULL) {			/* No entry */
 	aat = aarptnew(&destsat->sat_addr);
-	if (aat == 0) {
+	if (aat == NULL) {
 	    panic("aarpresolve: no free entry");
 	}
 	aat->aat_hold = m;
@@ -391,7 +391,7 @@ at_aarpinput(struct arpcom *ac, struct mbuf *m)
     }
 
     AARPTAB_LOOK(aat, spa);
-    if (aat) {
+    if (aat != NULL) {
 	if (op == AARPOP_PROBE) {
 	    /*
 	     * Someone's probing for spa, dealocate the one we've got,
diff --git a/sys/netatalk/at_control.c b/sys/netatalk/at_control.c
index 2a61d63..22dc1f2 100644
--- a/sys/netatalk/at_control.c
+++ b/sys/netatalk/at_control.c
@@ -56,7 +56,7 @@ at_control(struct socket *so, u_long cmd, caddr_t data,
     /*
      * If we have an ifp, then find the matching at_ifaddr if it exists
      */
-    if (ifp) {
+    if (ifp != NULL) {
 	for (aa = at_ifaddr; aa; aa = aa->aa_next) {
 	    if (aa->aa_ifp == ifp) break;
 	}
@@ -554,7 +554,7 @@ at_ifinit(ifp, aa, sat)
      * Now that we have selected an address, we need to tell the interface
      * about it, just in case it needs to adjust something.
      */
-    if (ifp->if_ioctl &&
+    if (ifp->if_ioctl != NULL&&
 	    (error = (*ifp->if_ioctl)(ifp, SIOCSIFADDR, (caddr_t)aa))) {
 	/*
 	 * of course this could mean that it objects violently
diff --git a/sys/netatalk/at_rmx.c b/sys/netatalk/at_rmx.c
index ca8db3a..ab03536 100644
--- a/sys/netatalk/at_rmx.c
+++ b/sys/netatalk/at_rmx.c
@@ -27,6 +27,7 @@
  * SUCH DAMAGE.
  *
  * at_rmx.c,v 1.13 1995/05/30 08:09:31 rgrimes Exp
+ * $FreeBSD$
  */
 
 /* This code generates debugging traces to the radix code */
@@ -47,7 +48,7 @@ prsockaddr(void *v)
 	char *bp = &hexbuf[0];
 	u_char *cp = v;
 
-	if (v) {
+	if (v != NULL) {
 		int len = *cp;
 		u_char *cplim = cp + len;
 
diff --git a/sys/netatalk/ddp_input.c b/sys/netatalk/ddp_input.c
index 69a15ac..fe9f4d4 100644
--- a/sys/netatalk/ddp_input.c
+++ b/sys/netatalk/ddp_input.c
@@ -95,7 +95,7 @@ ddp_input(m, ifp, elh, phase)
 
     bzero((caddr_t)&from, sizeof(struct sockaddr_at));
     bzero((caddr_t)&to, sizeof(struct sockaddr_at));
-    if (elh) {
+    if (elh != NULL) {
 	/*
 	 * Extract the information in the short header.
 	 * netowrk information is defaulted to ATADDR_ANYNET
@@ -345,7 +345,7 @@ ddp_input(m, ifp, elh, phase)
      * We are no longer interested in the link layer.
      * so cut it off.
      */
-    if (elh) {
+    if (elh != NULL) {
 	m_adj(m, sizeof(struct ddpshdr));
     } else {
 	if (ddp_cksum && cksum && cksum != at_cksum(m, sizeof(int))) {
diff --git a/sys/netatalk/ddp_pcb.c b/sys/netatalk/ddp_pcb.c
index 4ee48d5..c4f7428 100644
--- a/sys/netatalk/ddp_pcb.c
+++ b/sys/netatalk/ddp_pcb.c
@@ -239,7 +239,7 @@ at_pcballoc(struct socket *so)
 	ddp->ddp_prev = NULL;
 	ddp->ddp_pprev = NULL;
 	ddp->ddp_pnext = NULL;
-	if (ddpcb) {
+	if (ddpcb != NULL) {
 		ddpcb->ddp_prev = ddp;
 	}
 	ddpcb = ddp;
diff --git a/sys/netatalk/ddp_usrreq.c b/sys/netatalk/ddp_usrreq.c
index 490d907..b8f68aa 100644
--- a/sys/netatalk/ddp_usrreq.c
+++ b/sys/netatalk/ddp_usrreq.c
@@ -159,7 +159,7 @@ ddp_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
 		return (EINVAL);
     	}
 
-	if (addr) {
+	if (addr != NULL) {
 		if (ddp->ddp_fsat.sat_port != ATADDR_ANYPORT) {
 			return (EISCONN);
 		}
@@ -178,7 +178,7 @@ ddp_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
 
 	s = splnet();
 	error = ddp_output(m, so);
-	if (addr) {
+	if (addr != NULL) {
 	    at_pcbdisconnect(ddp);
 	}
 	splx(s);