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| author | jhb <jhb@FreeBSD.org> | 2009-12-29 15:48:04 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2009-12-29 15:48:04 +0000 |
| commit | ab90bdba3f74c4a0f83f3cd2ff1da154105e6d3d (patch) | |
| tree | 831dfa8f83bedcddcee8fad9a5325c2ae25be883 /usr.sbin/arp | |
| parent | fb28939ce7beb7a398a69e31346008d37d6dfbb0 (diff) | |
| download | FreeBSD-src-ab90bdba3f74c4a0f83f3cd2ff1da154105e6d3d.zip FreeBSD-src-ab90bdba3f74c4a0f83f3cd2ff1da154105e6d3d.tar.gz | |
Use reallocf() to simplify some logic.
MFC after: 2 weeks
Diffstat (limited to 'usr.sbin/arp')
| -rw-r--r-- | usr.sbin/arp/arp.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/usr.sbin/arp/arp.c b/usr.sbin/arp/arp.c index 8a3410f..2982f48 100644 --- a/usr.sbin/arp/arp.c +++ b/usr.sbin/arp/arp.c @@ -493,7 +493,7 @@ search(u_long addr, action_fn *action) { int mib[6]; size_t needed; - char *lim, *buf, *newbuf, *next; + char *lim, *buf, *next; struct rt_msghdr *rtm; struct sockaddr_inarp *sin2; struct sockaddr_dl *sdl; @@ -516,13 +516,9 @@ search(u_long addr, action_fn *action) return 0; buf = NULL; for (;;) { - newbuf = realloc(buf, needed); - if (newbuf == NULL) { - if (buf != NULL) - free(buf); + buf = reallocf(buf, needed); + if (buf == NULL) errx(1, "could not reallocate memory"); - } - buf = newbuf; st = sysctl(mib, 6, buf, &needed, NULL, 0); if (st == 0 || errno != ENOMEM) break; |
