about summary refs log tree commit diff
path: root/resolv
diff options
context:
space:
mode:
Diffstat (limited to 'resolv')
-rw-r--r--resolv/nss_dns/dns-host.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c
index 1df7c23beb..fc00fe7796 100644
--- a/resolv/nss_dns/dns-host.c
+++ b/resolv/nss_dns/dns-host.c
@@ -143,7 +143,7 @@ _nss_dns_gethostbyname2_r (const char *name, int af, struct hostent *result,
     type = T_AAAA;
     break;
   default:
-    *h_errnop = NETDB_INTERNAL;
+    *h_errnop = NO_DATA;
     *errnop = EAFNOSUPPORT;
     return NSS_STATUS_UNAVAIL;
   }
@@ -191,6 +191,14 @@ _nss_dns_gethostbyname_r (const char *name, struct hostent *result,
 
 
 enum nss_status
+_nss_dns_getipnodebyname (const char *name, int af, struct hostent *result,
+			  char *buffer, size_t buflen, int *errnop,
+			  int *h_errnop)
+{
+}
+
+
+enum nss_status
 _nss_dns_gethostbyaddr_r (const char *addr, size_t len, int af,
 			  struct hostent *result, char *buffer, size_t buflen,
 			  int *errnop, int *h_errnop)
@@ -419,11 +427,7 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
       if (n != -1 && __ns_name_ntop (packtmp, bp, linebuflen) == -1)
 	{
 	  if (errno == EMSGSIZE)
-	    {
-	      *errnop = ERANGE;
-	      *h_errnop = NETDB_INTERNAL;
-	      return NSS_STATUS_TRYAGAIN;
-	    }
+	    goto too_small;
 
 	  n = -1;
 	}
@@ -470,7 +474,9 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
 	  linebuflen -= n;
 	  /* Get canonical name.  */
 	  n = strlen (tbuf) + 1;	/* For the \0.  */
-	  if ((size_t) n > buflen || n >= MAXHOSTNAMELEN)
+	  if (n > linebuflen)
+	    goto too_small;
+	  if (n >= MAXHOSTNAMELEN)
 	    {
 	      ++had_error;
 	      continue;
@@ -492,7 +498,9 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
 	  cp += n;
 	  /* Get canonical name.  */
 	  n = strlen (tbuf) + 1;   /* For the \0.  */
-	  if ((size_t) n > buflen || n >= MAXHOSTNAMELEN)
+	  if (n > linebuflen)
+	    goto too_small;
+	  if (n >= MAXHOSTNAMELEN)
 	    {
 	      ++had_error;
 	      continue;
@@ -536,11 +544,7 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
 	  if (n != -1 && __ns_name_ntop (packtmp, bp, linebuflen) == -1)
 	    {
 	      if (errno == EMSGSIZE)
-		{
-		  *errnop = ERANGE;
-		  *h_errnop = NETDB_INTERNAL;
-		  return NSS_STATUS_TRYAGAIN;
-		}
+		goto too_small;
 
 	      n = -1;
 	    }
@@ -613,11 +617,8 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
 	  linebuflen -= sizeof (align) - ((u_long) bp % sizeof (align));
 	  bp += sizeof (align) - ((u_long) bp % sizeof (align));
 
-	  if (n >= linebuflen)
-	    {
-	      ++had_error;
-	      continue;
-	    }
+	  if (n > linebuflen)
+	    goto too_small;
 	  if (hap >= &host_data->h_addr_ptrs[MAX_NR_ADDRS-1])
 	    {
 	      cp += n;
@@ -652,11 +653,7 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype,
 	{
 	  n = strlen (qname) + 1;	/* For the \0.  */
 	  if (n > linebuflen)
-	    {
-	      *errnop = ERANGE;
-	      *h_errnop = NETDB_INTERNAL;
-	      return NSS_STATUS_TRYAGAIN;
-	    }
+	    goto too_small;
 	  if (n >= MAXHOSTNAMELEN)
 	    goto no_recovery;
 	  result->h_name = bp;