diff options
Diffstat (limited to 'usr.bin/systat/if.c')
| -rw-r--r-- | usr.bin/systat/if.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/usr.bin/systat/if.c b/usr.bin/systat/if.c index 0045695b85e..8153ee3c3d8 100644 --- a/usr.bin/systat/if.c +++ b/usr.bin/systat/if.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if.c,v 1.1 2004/11/16 09:52:33 markus Exp $ */ +/* $OpenBSD: if.c,v 1.2 2004/11/25 23:08:13 deraadt Exp $ */ /* * Copyright (c) 2004 Markus Friedl <markus@openbsd.org> * @@ -75,7 +75,7 @@ initifstat(void) } #define UPDATE(x, y) do { \ - ifs->ifs_now.x = ifm->y; \ + ifs->ifs_now.x = ifm.y; \ ifs->ifs_cur.x = ifs->ifs_now.x - ifs->ifs_old.x; \ sum.x += ifs->ifs_cur.x; \ if (state == TIME) \ @@ -102,7 +102,7 @@ void fetchifstat(void) { struct ifstat *newstats, *ifs; - struct if_msghdr *ifm; + struct if_msghdr ifm; struct sockaddr *info[RTAX_MAX]; struct sockaddr_dl *sdl; char *buf, *next, *lim; @@ -128,24 +128,25 @@ fetchifstat(void) bzero(&sum, sizeof(sum)); lim = buf + need; - for (next = buf; next < lim; next += ifm->ifm_msglen) { - ifm = (struct if_msghdr *)next; - if (ifm->ifm_type != RTM_IFINFO || - !(ifm->ifm_addrs & RTA_IFP)) + for (next = buf; next < lim; next += ifm.ifm_msglen) { + bcopy(next, &ifm, sizeof ifm); + if (ifm.ifm_type != RTM_IFINFO || + !(ifm.ifm_addrs & RTA_IFP)) continue; - if (ifm->ifm_index >= nifs) { - if ((newstats = realloc(ifstats, (ifm->ifm_index + 4) * + if (ifm.ifm_index >= nifs) { + if ((newstats = realloc(ifstats, (ifm.ifm_index + 4) * sizeof(struct ifstat))) == NULL) continue; ifstats = newstats; - for (; nifs < ifm->ifm_index + 4; nifs++) + for (; nifs < ifm.ifm_index + 4; nifs++) ifstats[nifs].ifs_name[0] = '\0'; } - ifs = &ifstats[ifm->ifm_index]; + ifs = &ifstats[ifm.ifm_index]; if (ifs->ifs_name[0] == '\0') { bzero(&info, sizeof(info)); - rt_getaddrinfo((struct sockaddr *)(ifm + 1), - ifm->ifm_addrs, info); + rt_getaddrinfo( + (struct sockaddr *)((struct if_msghdr *)next + 1), + ifm.ifm_addrs, info); if ((sdl = (struct sockaddr_dl *)info[RTAX_IFP])) { if (sdl->sdl_family == AF_LINK && sdl->sdl_nlen > 0) |