svn commit: r288134 - in stable: 10/sbin/ipfw 9/sbin/ipfw

[Dimitry Andric]

Author: dim
Date: Tue Sep 22 22:18:36 2015
New Revision: 288134
URL: https://svnweb.freebsd.org/changeset/base/288134

Log:
  MFC r286702:
  
  In ipfw2, avoid left-shifting negative integers, which is undefined.
  While here, make some other arguments to htonl(3) unsigned too.

Modified:
  stable/9/sbin/ipfw/ipfw2.c
Directory Properties:
  stable/9/   (props changed)
  stable/9/sbin/   (props changed)
  stable/9/sbin/ipfw/   (props changed)

Changes in other areas also in this revision:
Modified:
  stable/10/sbin/ipfw/ipfw2.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/9/sbin/ipfw/ipfw2.c
==============================================================================
--- stable/9/sbin/ipfw/ipfw2.c	Tue Sep 22 22:07:42 2015	(r288133)
+++ stable/9/sbin/ipfw/ipfw2.c	Tue Sep 22 22:18:36 2015	(r288134)
@@ -2267,14 +2267,14 @@ fill_ip(ipfw_insn_ip *cmd, char *av, int
 	case '/':
 		masklen = atoi(p);
 		if (masklen == 0)
-			d[1] = htonl(0);	/* mask */
+			d[1] = htonl(0U);	/* mask */
 		else if (masklen > 32)
 			errx(EX_DATAERR, "bad width ``%s''", p);
 		else
-			d[1] = htonl(~0 << (32 - masklen));
+			d[1] = htonl(~0U << (32 - masklen));
 		break;
 	case '{':	/* no mask, assume /24 and put back the '{' */
-		d[1] = htonl(~0 << (32 - 24));
+		d[1] = htonl(~0U << (32 - 24));
 		*(--p) = md;
 		break;
 
@@ -2283,7 +2283,7 @@ fill_ip(ipfw_insn_ip *cmd, char *av, int
 		/* FALLTHROUGH */
 	case 0:		/* initialization value */
 	default:
-		d[1] = htonl(~0);	/* force /32 */
+		d[1] = htonl(~0U);	/* force /32 */
 		break;
 	}
 	d[0] &= d[1];		/* mask base address with mask */