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Added LWIP_DEBUGF warning if dns_send returns an error

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This commit is contained in:
goldsimon 2010-05-17 12:29:31 +00:00
parent 25f33c8444
commit 3833dd86aa
1 changed files with 11 additions and 2 deletions
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13
src/core/dns.c
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@ -635,6 +635,7 @@ dns_send(u8_t numdns, const char* name, u8_t id)
static void
dns_check_entry(u8_t i)
{
err_t err;
struct dns_table_entry *pEntry = &dns_table[i];
LWIP_ASSERT("array index out of bounds", i < DNS_TABLE_SIZE);
@ -649,7 +650,11 @@ dns_check_entry(u8_t i)
pEntry->retries = 0;
/* send DNS packet for this entry */
dns_send(pEntry->numdns, pEntry->name, i);
err = dns_send(pEntry->numdns, pEntry->name, i);
if (err != ERR_OK) {
LWIP_DEBUGF(DNS_DEBUG | LWIP_DBG_LEVEL_WARNING,
("dns_send returned error: %s\n", lwip_strerr(err)));
}
break;
}
@ -678,7 +683,11 @@ dns_check_entry(u8_t i)
pEntry->tmr = pEntry->retries;
/* send DNS packet for this entry */
dns_send(pEntry->numdns, pEntry->name, i);
err = dns_send(pEntry->numdns, pEntry->name, i);
if (err != ERR_OK) {
LWIP_DEBUGF(DNS_DEBUG | LWIP_DBG_LEVEL_WARNING,
("dns_send returned error: %s\n", lwip_strerr(err)));
}
}
break;
}