diff options
Diffstat (limited to 'networking/arping.c')
| -rw-r--r-- | networking/arping.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/networking/arping.c b/networking/arping.c index 782b61b..4f1a2e2 100644 --- a/networking/arping.c +++ b/networking/arping.c @@ -71,7 +71,7 @@ static int send_pack(int sock, struct in_addr *src_addr, { int err; struct timeval now; - unsigned char buf[256]; + RESERVE_CONFIG_UBUFFER(buf, 256); struct arphdr *ah = (struct arphdr *) buf; unsigned char *p = (unsigned char *) (ah + 1); @@ -105,6 +105,7 @@ static int send_pack(int sock, struct in_addr *src_addr, if (!(cfg&unicasting)) brd_sent++; } + RELEASE_CONFIG_BUFFER(buf); return err; } @@ -456,12 +457,12 @@ int arping_main(int argc, char **argv) while (1) { sigset_t sset, osset; - unsigned char packet[4096]; + RESERVE_CONFIG_UBUFFER(packet, 4096); struct sockaddr_ll from; socklen_t alen = sizeof(from); int cc; - if ((cc = recvfrom(s, packet, sizeof(packet), 0, + if ((cc = recvfrom(s, packet, 4096, 0, (struct sockaddr *) &from, &alen)) < 0) { perror("recvfrom"); continue; @@ -472,5 +473,6 @@ int arping_main(int argc, char **argv) sigprocmask(SIG_BLOCK, &sset, &osset); recv_pack(packet, cc, &from); sigprocmask(SIG_SETMASK, &osset, NULL); + RELEASE_CONFIG_BUFFER(packet); } } |