fix printing of uint64_t values, so we can use WARNS=2

4 files changed, 27 insertions, 11 deletions

diff --git a/sbin/ipfw/Makefile b/sbin/ipfw/Makefile
index 15e45689ddbf..fdf3b80e91ef 100644
--- a/sbin/ipfw/Makefile
+++ b/sbin/ipfw/Makefile
@@ -2,7 +2,7 @@
 
 PROG=	ipfw
 SRCS=	ipfw2.c dummynet.c ipv6.c main.c nat.c
-WARNS?=	0
+WARNS?=	2
 MAN=	ipfw.8
 
 .include <bsd.prog.mk>
diff --git a/sbin/ipfw/dummynet.c b/sbin/ipfw/dummynet.c
index 88dc33e82ab3..7cf08675fb30 100644
--- a/sbin/ipfw/dummynet.c
+++ b/sbin/ipfw/dummynet.c
@@ -157,12 +157,13 @@ list_queues(struct dn_flow_set *fs, struct dn_flow_queue *q)
 		ina.s_addr = htonl(q[l].id.dst_ip);
 		printf("%15s/%-5d ",
 		    inet_ntoa(ina), q[l].id.dst_port);
-		printf("%4qu %8qu %2u %4u %3u\n",
-		    q[l].tot_pkts, q[l].tot_bytes,
+		printf("%4llu %8llu %2u %4u %3u\n",
+		    align_uint64(&q[l].tot_pkts),
+		    align_uint64(&q[l].tot_bytes),
 		    q[l].len, q[l].len_bytes, q[l].drops);
 		if (co.verbose)
-			printf("   S %20qd  F %20qd\n",
-			    q[l].S, q[l].F);
+			printf("   S %20llu  F %20llu\n",
+			    align_uint64(&q[l].S), align_uint64(&q[l].F));
 	}
 
 	/* Print IPv6 flows */
@@ -202,11 +203,14 @@ list_queues(struct dn_flow_set *fs, struct dn_flow_queue *q)
 		printf(" %39s/%-5d ",
 		    inet_ntop(AF_INET6, &(q[l].id.dst_ip6), buff, sizeof(buff)),
 		    q[l].id.dst_port);
-		printf(" %4qu %8qu %2u %4u %3u\n",
-		    q[l].tot_pkts, q[l].tot_bytes,
+		printf(" %4llu %8llu %2u %4u %3u\n",
+		    align_uint64(&q[l].tot_pkts),
+		    align_uint64(&q[l].tot_bytes),
 		    q[l].len, q[l].len_bytes, q[l].drops);
 		if (co.verbose)
-			printf("   S %20qd  F %20qd\n", q[l].S, q[l].F);
+			printf("   S %20llu  F %20llu\n",
+			    align_uint64(&q[l].S),
+			    align_uint64(&q[l].F));
 	}
 }
 
@@ -295,7 +299,7 @@ ipfw_list_pipes(void *data, uint nbytes, int ac, char *av[])
 		    p->pipe_nr, buf, p->delay);
 		print_flowset_parms(&(p->fs), prefix);
 		if (co.verbose)
-			printf("   V %20qd\n", p->V >> MY_M);
+			printf("   V %20llu\n", align_uint64(&p->V) >> MY_M);
 
 		q = (struct dn_flow_queue *)(p+1);
 		list_queues(&(p->fs), q);
diff --git a/sbin/ipfw/ipfw2.c b/sbin/ipfw/ipfw2.c
index ffd74e85a524..056b01b9d6ca 100644
--- a/sbin/ipfw/ipfw2.c
+++ b/sbin/ipfw/ipfw2.c
@@ -306,8 +306,18 @@ static struct _s_x rule_options[] = {
 	{ NULL, 0 }	/* terminator */
 };
 
-static __inline uint64_t
-align_uint64(uint64_t *pll) {
+/*  
+ * The following is used to generate a printable argument for
+ * 64-bit numbers, irrespective of platform alignment and bit size.
+ * Because all the printf in this program use %llu as a format,
+ * we just return an unsigned long long, which is larger than
+ * we need in certain cases, but saves the hassle of using
+ * PRIu64 as a format specifier.
+ * We don't care about inlining, this is not performance critical code.
+ */
+unsigned long long
+align_uint64(const uint64_t *pll)
+{
 	uint64_t ret;
 
 	bcopy (pll, &ret, sizeof(ret));
diff --git a/sbin/ipfw/ipfw2.h b/sbin/ipfw/ipfw2.h
index 14c3837d49ab..dfbb17e3ce14 100644
--- a/sbin/ipfw/ipfw2.h
+++ b/sbin/ipfw/ipfw2.h
@@ -190,6 +190,8 @@ enum tokens {
  */
 #define NEED1(msg)      {if (!ac) errx(EX_USAGE, msg);}
 
+unsigned long long align_uint64(const uint64_t *pll);
+
 /* memory allocation support */
 void *safe_calloc(size_t number, size_t size);
 void *safe_realloc(void *ptr, size_t size);