int rtnl_rttable_a2n(uint32_t * id, char *arg)
{
static char *cache = NULL;
static unsigned long res;
int i;
if (cache && strcmp(cache, arg) == 0) {
*id = res;
return 0;
}
rtnl_rttable_initialize();
for (i = 0; i < 256; i++) {
if (rtnl_rttable_tab[i] && strcmp(rtnl_rttable_tab[i], arg) == 0) {
cache = (char*)rtnl_rttable_tab[i];
res = i;
*id = res;
return 0;
}
}
i = bb_strtoul(arg, NULL, 0);
if (errno || i > 255)
return -1;
*id = i;
return 0;
}
int rtnl_rttable_a2n(__u32 *id, char *arg)
{
static char *cache = NULL;
static unsigned long res;
struct rtnl_hash_entry *entry;
char *end;
__u32 i;
if (cache && strcmp(cache, arg) == 0) {
*id = res;
return 0;
}
if (!rtnl_rttable_init)
rtnl_rttable_initialize();
for (i=0; i<256; i++) {
entry = rtnl_rttable_hash[i];
while (entry && strcmp(entry->name, arg))
entry = entry->next;
if (entry) {
cache = entry->name;
res = entry->id;
*id = res;
return 0;
}
}
i = strtoul(arg, &end, 0);
if (!end || end == arg || *end || i > RT_TABLE_MAX)
return -1;
*id = i;
return 0;
}
const char *rtnl_rttable_n2a(int id, char *buf, int len)
{
if (id < 0 || id >= 256) {
snprintf(buf, len, "%d", id);
return buf;
}
rtnl_rttable_initialize();
if (rtnl_rttable_tab[id])
return rtnl_rttable_tab[id];
snprintf(buf, len, "%d", id);
return buf;
}
char * rtnl_rttable_n2a(__u32 id, char *buf, int len)
{
struct rtnl_hash_entry *entry;
if (id > RT_TABLE_MAX) {
snprintf(buf, len, "%u", id);
return buf;
}
if (!rtnl_rttable_init)
rtnl_rttable_initialize();
entry = rtnl_rttable_hash[id & 255];
while (entry && entry->id != id)
entry = entry->next;
if (entry)
return entry->name;
snprintf(buf, len, "%u", id);
return buf;
}