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libbb: add setsockopt_foo helpers

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function                                             old     new   delta
setsockopt_int                                         -      23     +23
do_load                                              918     934     +16
setsockopt_SOL_SOCKET_int                              -      14     +14
setsockopt_keepalive                                   -      10     +10
setsockopt_SOL_SOCKET_1                                -      10     +10
buffer_fill_and_print                                169     178      +9
setsockopt_1                                           -       8      +8
nfsmount                                            3560    3566      +6
redirect                                            1277    1282      +5
tcpudpsvd_main                                      1782    1786      +4
d6_send_kernel_packet                                272     275      +3
i2cget_main                                          380     382      +2
ed_main                                             2544    2545      +1
scan_recursive                                       380     378      -2
nbdclient_main                                       492     490      -2
hash_find                                            235     233      -2
cmdputs                                              334     332      -2
parse_command                                       1443    1440      -3
static.two                                             4       -      -4
ntpd_main                                           1039    1035      -4
const_int_1                                            4       -      -4
const_IPTOS_LOWDELAY                                   4       -      -4
RCVBUF                                                 4       -      -4
ntp_init                                             474     469      -5
change_listen_mode                                   316     310      -6
uevent_main                                          416     409      -7
arping_main                                         1697    1690      -7
telnet_main                                         1612    1603      -9
socket_want_pktinfo                                   42      33      -9
setsockopt_reuseaddr                                  21      10     -11
setsockopt_broadcast                                  21      10     -11
httpd_main                                           772     757     -15
get_remote_transfer_fd                               109      94     -15
make_new_session                                     503     487     -16
ftpd_main                                           2177    2160     -17
read_bunzip                                         1896    1866     -30
common_traceroute_main                              4099    4058     -41
common_ping_main                                    1836    1783     -53
------------------------------------------------------------------------------
(add/remove: 5/4 grow/shrink: 8/21 up/down: 111/-283)        Total: -172 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-08-24 19:48:03 +02:00
parent 2db782bc7b
commit c52cbea2bb
16 changed files with 75 additions and 61 deletions
Download patch file Download diff file Expand all files Collapse all files

41
networking/traceroute.c
View file

@ -473,8 +473,8 @@ send_probe(int seq, int ttl)
#if ENABLE_TRACEROUTE6
if (dest_lsa->u.sa.sa_family == AF_INET6) {
res = setsockopt(sndsock, SOL_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
if (res < 0)
res = setsockopt_int(sndsock, SOL_IPV6, IPV6_UNICAST_HOPS, ttl);
if (res != 0)
bb_perror_msg_and_die("setsockopt(%s) %d", "UNICAST_HOPS", ttl);
out = outip;
len = packlen;
@ -482,8 +482,8 @@ send_probe(int seq, int ttl)
#endif
{
#if defined IP_TTL
res = setsockopt(sndsock, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
if (res < 0)
res = setsockopt_int(sndsock, IPPROTO_IP, IP_TTL, ttl);
if (res != 0)
bb_perror_msg_and_die("setsockopt(%s) %d", "TTL", ttl);
#endif
out = outicmp;
@ -902,13 +902,10 @@ common_traceroute_main(int op, char **argv)
if (af == AF_INET6) {
xmove_fd(xsocket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6), rcvsock);
# ifdef IPV6_RECVPKTINFO
setsockopt(rcvsock, SOL_IPV6, IPV6_RECVPKTINFO,
&const_int_1, sizeof(const_int_1));
setsockopt(rcvsock, SOL_IPV6, IPV6_2292PKTINFO,
&const_int_1, sizeof(const_int_1));
setsockopt_1(rcvsock, SOL_IPV6, IPV6_RECVPKTINFO);
setsockopt_1(rcvsock, SOL_IPV6, IPV6_2292PKTINFO);
# else
setsockopt(rcvsock, SOL_IPV6, IPV6_PKTINFO,
&const_int_1, sizeof(const_int_1));
setsockopt_1(rcvsock, SOL_IPV6, IPV6_PKTINFO);
# endif
} else
#endif
@ -918,17 +915,14 @@ common_traceroute_main(int op, char **argv)
#if TRACEROUTE_SO_DEBUG
if (op & OPT_DEBUG)
setsockopt(rcvsock, SOL_SOCKET, SO_DEBUG,
&const_int_1, sizeof(const_int_1));
setsockopt_SOL_SOCKET_1(rcvsock, SO_DEBUG);
#endif
if (op & OPT_BYPASS_ROUTE)
setsockopt(rcvsock, SOL_SOCKET, SO_DONTROUTE,
&const_int_1, sizeof(const_int_1));
setsockopt_SOL_SOCKET_1(rcvsock, SO_DONTROUTE);
#if ENABLE_TRACEROUTE6
if (af == AF_INET6) {
static const int two = 2;
if (setsockopt(rcvsock, SOL_RAW, IPV6_CHECKSUM, &two, sizeof(two)) < 0)
if (setsockopt_int(rcvsock, SOL_RAW, IPV6_CHECKSUM, 2) != 0)
bb_perror_msg_and_die("setsockopt(%s)", "IPV6_CHECKSUM");
xmove_fd(xsocket(af, SOCK_DGRAM, 0), sndsock);
} else
@ -966,28 +960,25 @@ common_traceroute_main(int op, char **argv)
}
#ifdef SO_SNDBUF
if (setsockopt(sndsock, SOL_SOCKET, SO_SNDBUF, &packlen, sizeof(packlen)) < 0) {
bb_perror_msg_and_die("SO_SNDBUF");
if (setsockopt_SOL_SOCKET_int(sndsock, SO_SNDBUF, packlen) != 0) {
bb_perror_msg_and_die("setsockopt(%s)", "SO_SNDBUF");
}
#endif
#ifdef IP_TOS
if ((op & OPT_TOS) && setsockopt(sndsock, IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0) {
if ((op & OPT_TOS) && setsockopt_int(sndsock, IPPROTO_IP, IP_TOS, tos) != 0) {
bb_perror_msg_and_die("setsockopt(%s) %d", "TOS", tos);
}
#endif
#ifdef IP_DONTFRAG
if (op & OPT_DONT_FRAGMNT)
setsockopt(sndsock, IPPROTO_IP, IP_DONTFRAG,
&const_int_1, sizeof(const_int_1));
setsockopt_1(sndsock, IPPROTO_IP, IP_DONTFRAG);
#endif
#if TRACEROUTE_SO_DEBUG
if (op & OPT_DEBUG)
setsockopt(sndsock, SOL_SOCKET, SO_DEBUG,
&const_int_1, sizeof(const_int_1));
setsockopt_SOL_SOCKET_1(sndsock, SO_DEBUG);
#endif
if (op & OPT_BYPASS_ROUTE)
setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE,
&const_int_1, sizeof(const_int_1));
setsockopt_SOL_SOCKET_1(sndsock, SO_DONTROUTE);
outip = xzalloc(packlen);