int rtnl_rtprot_a2n(uint32_t *id, char *arg)
{
static const char *cache = NULL;
static unsigned long res;
int i;
if (cache && strcmp(cache, arg) == 0) {
*id = res;
return 0;
}
rtnl_rtprot_initialize();
for (i = 0; i < 256; i++) {
if (rtnl_rtprot_tab[i] &&
strcmp(rtnl_rtprot_tab[i], arg) == 0) {
cache = rtnl_rtprot_tab[i];
res = i;
*id = res;
return 0;
}
}
res = bb_strtoul(arg, NULL, 0);
if (errno || res > 255)
return -1;
*id = res;
return 0;
}
int rtnl_rtprot_a2n(__u32 *id, char *arg)
{
static char *cache = NULL;
static unsigned long res;
char *end;
int i;
if (cache && strcmp(cache, arg) == 0) {
*id = res;
return 0;
}
if (!rtnl_rtprot_init)
rtnl_rtprot_initialize();
for (i=0; i<256; i++) {
if (rtnl_rtprot_tab[i] &&
strcmp(rtnl_rtprot_tab[i], arg) == 0) {
cache = rtnl_rtprot_tab[i];
res = i;
*id = res;
return 0;
}
}
res = strtoul(arg, &end, 0);
if (!end || end == arg || *end || res > 255)
return -1;
*id = res;
return 0;
}
const char* rtnl_rtprot_n2a(int id, char *buf, int len)
{
if (id < 0 || id >= 256) {
snprintf(buf, len, "%d", id);
return buf;
}
rtnl_rtprot_initialize();
if (rtnl_rtprot_tab[id])
return rtnl_rtprot_tab[id];
snprintf(buf, len, "%d", id);
return buf;
}