[src/trunk]: src/usr.bin/systat netstat(1): use reallocarr instead of realloc...

[nia <nia%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/59c54b179298
branches:  trunk
changeset: 1024643:59c54b179298
user:      nia <nia%NetBSD.org@localhost>
date:      Sat Oct 30 11:31:51 2021 +0000

description:
netstat(1): use reallocarr instead of realloc(x * y)

diffstat:

 usr.bin/systat/netcmds.c |  12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diffs (46 lines):

diff -r b4429e47c8c4 -r 59c54b179298 usr.bin/systat/netcmds.c
--- a/usr.bin/systat/netcmds.c  Sat Oct 30 11:25:30 2021 +0000
+++ b/usr.bin/systat/netcmds.c  Sat Oct 30 11:31:51 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: netcmds.c,v 1.21 2005/02/26 22:12:33 dsl Exp $ */
+/*     $NetBSD: netcmds.c,v 1.22 2021/10/30 11:31:51 nia Exp $ */
 
 /*-
  * Copyright (c) 1980, 1992, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)netcmds.c  8.1 (Berkeley) 6/6/93";
 #endif
-__RCSID("$NetBSD: netcmds.c,v 1.21 2005/02/26 22:12:33 dsl Exp $");
+__RCSID("$NetBSD: netcmds.c,v 1.22 2021/10/30 11:31:51 nia Exp $");
 #endif /* not lint */
 
 /*
@@ -223,12 +223,10 @@
                        p->onoff = onoff;
                        return (0);
                }
-       p = (struct pitem *)realloc(ports, (nports+1)*sizeof (*p));
-       if (p == NULL) {
+       if (reallocarr(&ports, nports + 1, sizeof(*p)) != 0) {
                error("malloc failed");
                die(0);
        }
-       ports = p;
        p = &ports[nports++];
        p->port = port;
        p->onoff = onoff;
@@ -326,12 +324,10 @@
                }
        if (sa->sa_len > sizeof(struct sockaddr_storage))
                return (-1);    /*XXX*/
-       p = (struct hitem *)realloc(hosts, (nhosts+1)*sizeof (*p));
-       if (p == NULL) {
+       if (reallocarr(&hosts, nhosts + 1, sizeof(*p)) != 0) {
                error("malloc failed");
                die(0);
        }
-       hosts = p;
        p = &hosts[nhosts++];
        memcpy(&p->addr, sa, sa->sa_len);
        p->onoff = onoff;