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libiproute: code and data shrink

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function                                             old     new   delta
rtnl_a2n                                               -     126    +126
ll_remember_index                                    233     263     +30
find_by_index                                         26      36     +10
rtnl_rtprot_initialize                                66      70      +4
static.unit_chars                                      7       9      +2
rtnl_rttable_initialize                               73      75      +2
rtnl_rtscope_initialize                               83      85      +2
rtnl_rtrealm_initialize                               43      45      +2
rtnl_rtdsfield_initialize                             43      45      +2
rtnl_rttable_n2a                                      62      63      +1
rtnl_rtscope_n2a                                      62      63      +1
rtnl_rtrealm_n2a                                      62      63      +1
rtnl_dsfield_n2a                                      70      71      +1
ll_init_map                                           36      33      -3
make_human_readable_str                              262     258      -4
static.fmt                                            97      92      -5
static.fmt_tenths                                     10       -     -10
static.str                                            21       4     -17
static.res                                            20       -     -20
static.cache                                          24       4     -20
idxmap                                                64       4     -60
rtnl_rttable_a2n                                     154      39    -115
rtnl_rtscope_a2n                                     159      39    -120
rtnl_rtrealm_a2n                                     159      39    -120
rtnl_rtprot_a2n                                      159      39    -120
rtnl_dsfield_a2n                                     162      39    -123
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 12/11 up/down: 184/-737)       Total: -553 bytes
   text           data            bss            dec            hex        filename
 820376            445           7668         828489          ca449        busybox_old
 819950            445           7548         827943          ca227        busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-10-13 16:27:11 +02:00
parent 0bf44d00a4
commit 94466b8b8c
2 changed files with 104 additions and 195 deletions
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31
networking/libiproute/ll_map.c
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@ -27,15 +27,16 @@ struct idxmap {
char name[16];
};
static struct idxmap *idxmap[16];
static struct idxmap **idxmap; /* treat as *idxmap[16] */
static struct idxmap *find_by_index(int idx)
{
struct idxmap *im;
for (im = idxmap[idx & 0xF]; im; im = im->next)
if (im->index == idx)
return im;
if (idxmap)
for (im = idxmap[idx & 0xF]; im; im = im->next)
if (im->index == idx)
return im;
return NULL;
}
@ -59,8 +60,10 @@ int FAST_FUNC ll_remember_index(const struct sockaddr_nl *who UNUSED_PARAM,
if (tb[IFLA_IFNAME] == NULL)
return 0;
h = ifi->ifi_index & 0xF;
if (!idxmap)
idxmap = xzalloc(sizeof(idxmap[0]) * 16);
h = ifi->ifi_index & 0xF;
for (imp = &idxmap[h]; (im = *imp) != NULL; imp = &im->next)
if (im->index == ifi->ifi_index)
goto found;
@ -152,13 +155,15 @@ int FAST_FUNC xll_name_to_index(const char *name)
ret = icache;
goto out;
}
for (i = 0; i < 16; i++) {
for (im = idxmap[i]; im; im = im->next) {
if (strcmp(im->name, name) == 0) {
icache = im->index;
strcpy(ncache, name);
ret = im->index;
goto out;
if (idxmap) {
for (i = 0; i < 16; i++) {
for (im = idxmap[i]; im; im = im->next) {
if (strcmp(im->name, name) == 0) {
icache = im->index;
strcpy(ncache, name);
ret = im->index;
goto out;
}
}
}
}
@ -195,6 +200,6 @@ int FAST_FUNC xll_name_to_index(const char *name)
int FAST_FUNC ll_init_map(struct rtnl_handle *rth)
{
xrtnl_wilddump_request(rth, AF_UNSPEC, RTM_GETLINK);
xrtnl_dump_filter(rth, ll_remember_index, &idxmap);
xrtnl_dump_filter(rth, ll_remember_index, NULL);
return 0;
}