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

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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
This commit is contained in:
Denis Vlasenko
2009-03-05 09:21:57 +00:00
parent 021de3f029
commit 76140a77c9
9 changed files with 63 additions and 140 deletions
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10
networking/libiproute/ll_proto.c
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@ -115,13 +115,15 @@ int ll_proto_a2n(unsigned short *id, char *buf)
unsigned i;
for (i = 0; i < ARRAY_SIZE(llproto_names); i++) {
if (strcasecmp(llproto_names[i].name, buf) == 0) {
*id = htons(llproto_names[i].id);
return 0;
i = llproto_names[i].id;
goto good;
}
}
if (get_u16(id, buf, 0))
i = bb_strtou(buf, NULL, 0);
if (errno || i > 0xffff)
return -1;
*id = htons(*id);
good:
*id = htons(i);
return 0;
}