[BZ #305]

Update.
2004-12-08  Thorsten Kukuk  <kukuk@suse.de>

	* nis/nss_nisplus/nisplus-netgrp.c (_nss_nisplus_getnetgrent_r):
	Add check if the value is not an empty string.  [BZ #305]

ChangeLog

@@ -1,3 +1,8 @@
+2004-12-08  Thorsten Kukuk  <kukuk@suse.de>
+
+	* nis/nss_nisplus/nisplus-netgrp.c (_nss_nisplus_getnetgrent_r):
+	Add check if the value is not an empty string.  [BZ #305]
+
 2004-11-29  Jakub Jelinek  <jakub@redhat.com>
 
 	* stdlib/strtod_l.c (INTERNAL (__STRTOF)): If densize > 2

nis/nss_nisplus/nisplus-netgrp.c

@@ -88,7 +88,9 @@ _nss_nisplus_getnetgrent_r (struct __netgrent *result, char *buffer,
 
       result->type = triple_val;
 
-      if (hostlen == 0)
+      if (hostlen == 0 ||
+	  NISENTRYVAL (result->position, 2,
+		       (nis_result *) result->data)[0] == '\0')
 	result->val.triple.host = NULL;
       else
 	{
@@ -99,7 +101,9 @@ _nss_nisplus_getnetgrent_r (struct __netgrent *result, char *buffer,
 	  *cp++ = '\0';
 	}
 
-      if (userlen == 0)
+      if (userlen == 0 ||
+	  NISENTRYVAL (result->position, 3,
+		       (nis_result *) result->data)[0] == '\0')
 	result->val.triple.user = NULL;
       else
 	{
@@ -110,7 +114,9 @@ _nss_nisplus_getnetgrent_r (struct __netgrent *result, char *buffer,
 	  *cp++ = '\0';
 	}
 
-      if (domainlen == 0)
+      if (domainlen == 0 ||
+	  NISENTRYVAL (result->position, 4,
+		       (nis_result *) result->data)[0] == '\0')
 	result->val.triple.domain = NULL;
       else
 	{