networking/libiproute/*: code shrink by optimizing numeric conversions

 and other misc stuff

function                                             old     new   delta
print_tunnel                                         660     656      -4
format_host                                            5       -      -5
get_unsigned                                          70      54     -16
get_u32                                               70      54     -16
do_iplink                                           1173    1151     -22
get_prefix                                           417     393     -24
print_rule                                           800     771     -29
print_addrinfo                                      1374    1342     -32
print_route                                         1745    1709     -36
iprule_modify                                        905     866     -39
iproute_modify                                      1105    1048     -57
get_integer                                           70       -     -70
parse_args                                          1684    1440    -244
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 0/11 up/down: 0/-594)          Total: -594 bytes
   text    data     bss     dec     hex filename
 817378     476    7892  825746   c9992 busybox_old
 816784     476    7892  825152   c9740 busybox_unstripped

1 files changed, 2 insertions, 6 deletions

diff --git a/networking/libiproute/iprule.c b/networking/libiproute/iprule.c
index ca2254667..6c90c6d21 100644
--- a/networking/libiproute/iprule.c
+++ b/networking/libiproute/iprule.c
@@ -78,7 +78,6 @@ static int print_rule(const struct sockaddr_nl *who UNUSED_PARAM,
         if (tb[RTA_SRC]) {
                 if (r->rtm_src_len != host_len) {
                         printf("%s/%u", rt_addr_n2a(r->rtm_family,
-                                                         RTA_PAYLOAD(tb[RTA_SRC]),
                                                          RTA_DATA(tb[RTA_SRC]),
                                                          abuf, sizeof(abuf)),
                                 r->rtm_src_len
@@ -99,7 +98,6 @@ static int print_rule(const struct sockaddr_nl *who UNUSED_PARAM,
         if (tb[RTA_DST]) {
                 if (r->rtm_dst_len != host_len) {
                         printf("to %s/%u ", rt_addr_n2a(r->rtm_family,
-                                                         RTA_PAYLOAD(tb[RTA_DST]),
                                                          RTA_DATA(tb[RTA_DST]),
                                                          abuf, sizeof(abuf)),
                                 r->rtm_dst_len
@@ -238,8 +236,7 @@ static int iprule_modify(int cmd, char **argv)
                            key == ARG_priority) {
                         uint32_t pref;
                         NEXT_ARG();
-                        if (get_u32(&pref, *argv, 0))
-                                invarg(*argv, "preference");
+                        pref = get_u32(*argv, "preference");
                         addattr32(&req.n, sizeof(req), RTA_PRIORITY, pref);
                 } else if (key == ARG_tos) {
                         uint32_t tos;
@@ -250,8 +247,7 @@ static int iprule_modify(int cmd, char **argv)
                 } else if (key == ARG_fwmark) {
                         uint32_t fwmark;
                         NEXT_ARG();
-                        if (get_u32(&fwmark, *argv, 0))
-                                invarg(*argv, "fwmark");
+                        fwmark = get_u32(*argv, "fwmark");
                         addattr32(&req.n, sizeof(req), RTA_PROTOINFO, fwmark);
                 } else if (key == ARG_realms) {
                         uint32_t realm;