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authorDenys Vlasenko2009-10-13 16:27:11 +0200
committerDenys Vlasenko2009-10-13 16:27:11 +0200
commit94466b8b8c8b8dbdc496eefe947ee364fa85fdfb (patch)
tree82df0787bc9b2e7f10ba1b370b029ac6bb22fe97 /networking/libiproute/ll_map.c
parent0bf44d00a42dec70514c2e51926f4ca37b4b2367 (diff)
downloadbusybox-94466b8b8c8b8dbdc496eefe947ee364fa85fdfb.zip
busybox-94466b8b8c8b8dbdc496eefe947ee364fa85fdfb.tar.gz
libiproute: code and data shrink
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>
Diffstat (limited to 'networking/libiproute/ll_map.c')
-rw-r--r--networking/libiproute/ll_map.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/networking/libiproute/ll_map.c b/networking/libiproute/ll_map.c
index 62528cc..3c4ef2c 100644
--- a/networking/libiproute/ll_map.c
+++ b/networking/libiproute/ll_map.c
@@ -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;
}