IPv4 address is not unsigned int. This change introduces in_addr_t.

PR:		9982
Adviced by:	des
Reviewed by:	-alpha and -net (no objection)
Obtained from:	OpenBSD

7 files changed, 25 insertions, 18 deletions

diff --git a/lib/libc/net/inet.3 b/lib/libc/net/inet.3
index 3159fef..270f3dc 100644
--- a/lib/libc/net/inet.3
+++ b/lib/libc/net/inet.3
@@ -55,9 +55,9 @@
 .Fd #include <arpa/inet.h>
 .Ft int 
 .Fn inet_aton "const char *cp" "struct in_addr *pin"
-.Ft unsigned long 
+.Ft in_addr_t
 .Fn inet_addr "const char *cp"
-.Ft unsigned long 
+.Ft in_addr_t
 .Fn inet_network "const char *cp"
 .Ft char *
 .Fn inet_ntoa "struct in_addr in"
@@ -66,10 +66,10 @@
 .Ft int
 .Fn inet_pton "int af" "const char *src" "void *dst"
 .Ft struct in_addr 
-.Fn inet_makeaddr "unsigned long net" "unsigned long lna"
-.Ft unsigned long 
+.Fn inet_makeaddr "in_addr_t net" "in_addr_t lna"
+.Ft in_addr_t
 .Fn inet_lnaof "struct in_addr in"
-.Ft unsigned long 
+.Ft in_addr_t
 .Fn inet_netof "struct in_addr in"
 .Sh DESCRIPTION
 The routines
diff --git a/lib/libc/net/inet_addr.c b/lib/libc/net/inet_addr.c
index 312c39b..bff7af8 100644
--- a/lib/libc/net/inet_addr.c
+++ b/lib/libc/net/inet_addr.c
@@ -72,7 +72,7 @@ static char rcsid[] = "$FreeBSD$";
  * ASCII internet address interpretation routine.
  * The value returned is in network order.
  */
-u_long		/* XXX should be struct in_addr :( */
+in_addr_t		/* XXX should be struct in_addr :( */
 inet_addr(cp)
 	register const char *cp;
 {
@@ -96,7 +96,7 @@ inet_aton(cp, addr)
 	struct in_addr *addr;
 {
 	u_long parts[4];
-	u_long val;
+	in_addr_t val;
 	char *c;
 	char *endptr;
 	int gotend, n;
diff --git a/lib/libc/net/inet_lnaof.c b/lib/libc/net/inet_lnaof.c
index 99024d9..9225928 100644
--- a/lib/libc/net/inet_lnaof.c
+++ b/lib/libc/net/inet_lnaof.c
@@ -29,6 +29,8 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
+ *
+ * $FreeBSD$
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
@@ -44,11 +46,11 @@ static char sccsid[] = "@(#)inet_lnaof.c	8.1 (Berkeley) 6/4/93";
  * internet address; handles class a/b/c network
  * number formats.
  */
-u_long
+in_addr_t
 inet_lnaof(in)
 	struct in_addr in;
 {
-	register u_long i = ntohl(in.s_addr);
+	register in_addr_t i = ntohl(in.s_addr);
 
 	if (IN_CLASSA(i))
 		return ((i)&IN_CLASSA_HOST);
diff --git a/lib/libc/net/inet_makeaddr.c b/lib/libc/net/inet_makeaddr.c
index 8af7770..ffc01cc 100644
--- a/lib/libc/net/inet_makeaddr.c
+++ b/lib/libc/net/inet_makeaddr.c
@@ -29,6 +29,8 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
+ *
+ * $FreeBSD$
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
@@ -45,9 +47,9 @@ static char sccsid[] = "@(#)inet_makeaddr.c	8.1 (Berkeley) 6/4/93";
  */
 struct in_addr
 inet_makeaddr(net, host)
-	u_long net, host;
+	in_addr_t net, host;
 {
-	u_long addr;
+	in_addr_t addr;
 
 	if (net < 128)
 		addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
diff --git a/lib/libc/net/inet_neta.c b/lib/libc/net/inet_neta.c
index 2b8a84c..f92705c 100644
--- a/lib/libc/net/inet_neta.c
+++ b/lib/libc/net/inet_neta.c
@@ -38,7 +38,7 @@ static const char rcsid[] = "$FreeBSD$";
 /*
  * char *
  * inet_neta(src, dst, size)
- *	format a u_long network number into presentation format.
+ *	format a in_addr_t network number into presentation format.
  * return:
  *	pointer to dst, or NULL if an error occurred (check errno).
  * note:
@@ -48,7 +48,7 @@ static const char rcsid[] = "$FreeBSD$";
  */
 char *
 inet_neta(src, dst, size)
-	u_long src;
+	in_addr_t src;
 	char *dst;
 	size_t size;
 {
diff --git a/lib/libc/net/inet_netof.c b/lib/libc/net/inet_netof.c
index 37063f7..94f27a3 100644
--- a/lib/libc/net/inet_netof.c
+++ b/lib/libc/net/inet_netof.c
@@ -29,6 +29,8 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
+ *
+ * $FreeBSD$
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
@@ -43,11 +45,11 @@ static char sccsid[] = "@(#)inet_netof.c	8.1 (Berkeley) 6/4/93";
  * Return the network number from an internet
  * address; handles class a/b/c network #'s.
  */
-u_long
+in_addr_t
 inet_netof(in)
 	struct in_addr in;
 {
-	register u_long i = ntohl(in.s_addr);
+	register in_addr_t i = ntohl(in.s_addr);
 
 	if (IN_CLASSA(i))
 		return (((i)&IN_CLASSA_NET) >> IN_CLASSA_NSHIFT);
diff --git a/lib/libc/net/inet_network.c b/lib/libc/net/inet_network.c
index e44257a..7cc30a5 100644
--- a/lib/libc/net/inet_network.c
+++ b/lib/libc/net/inet_network.c
@@ -47,13 +47,14 @@ static char sccsid[] = "@(#)inet_network.c	8.1 (Berkeley) 6/4/93";
  * The library routines call this routine to interpret
  * network numbers.
  */
-u_long
+in_addr_t
 inet_network(cp)
 	register const char *cp;
 {
-	register u_long val, base, n, i;
+	register in_addr_t val, base, n;
 	register char c;
-	u_long parts[4], *pp = parts;
+	in_addr_t parts[4], *pp = parts;
+	register int i;
 
 again:
 	val = 0; base = 10;