Update.

	* nss/nss_db/db-XXX.c: Move internal_setent and internal_endent
	functions from here...
	* nss/db-alias.c: ...and here...
	* nss/db-netgrp.c: ...and here...
	* nss/nss_db/db-open.c: ...to here.  New file.
	* nss/nss_db/dummy-db.h: New file.
	* nss/nss_db/nss_db.h: New file.
	* nss/Depend: Depend in dlfcn, not db2.
	* nss/Makefile (libnss_db-routines): Add db-open.
	(distribute): Add nss_db.h dummy-db.h.
	(libnss_db.so): Replace libdb dependency by $(libdl).
	Based on a patch by Zack Weinberg.

1 files changed, 10 insertions, 52 deletions

diff --git a/nss/nss_db/db-netgrp.c b/nss/nss_db/db-netgrp.c
index 722281d116..9538d2785f 100644
--- a/nss/nss_db/db-netgrp.c
+++ b/nss/nss_db/db-netgrp.c
@@ -1,5 +1,5 @@
 /* Netgroup file parser in nss_db modules.
-   Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -18,14 +18,16 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <db.h>
+#include <dlfcn.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <netgroup.h>
 #include <string.h>
 #include <bits/libc-lock.h>
 #include <paths.h>
+
 #include "nsswitch.h"
-#include "netgroup.h"
+#include "nss_db.h"
 
 
 #define DBFILE		_PATH_VARDB "netgroup.db"
@@ -35,58 +37,18 @@
 __libc_lock_define_initialized (static, lock)
 
 /* Maintenance of the shared handle open on the database.  */
-static DB *db;
+static NSS_DB *db;
 static char *entry;
 static char *cursor;
 
 enum nss_status
 _nss_db_setnetgrent (const char *group)
 {
-  enum nss_status status = NSS_STATUS_SUCCESS;
-  int err;
+  enum nss_status status;
 
   __libc_lock_lock (lock);
 
-  /* Make sure the data base file is open.  */
-  if (db == NULL)
-    {
-      err = __nss_db_open (DBFILE, DB_BTREE, O_RDONLY, 0, NULL, NULL, &db);
-
-      if (err != 0)
-	{
-	  __set_errno (err);
-	  status = err == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
-	}
-      else
-	{
-	  /* We have to make sure the file is  `closed on exec'.  */
-	  int fd;
-	  int result;
-
-	  err = db->fd (db, &fd);
-	  if (err != 0)
-	    {
-	      __set_errno (err);
-	      result = -1;
-	    }
-	  else
-	    {
-	      result = fcntl (fd, F_GETFD, 0);
-
-	      if (result >= 0)
-		result = fcntl (fd, F_SETFD, result | FD_CLOEXEC);
-	    }
-
-	  if (result < 0)
-	    {
-	      /* Something went wrong.  Close the stream and return a
-		 failure.  */
-	      db->close (db, 0);
-	      db = NULL;
-	      status = NSS_STATUS_UNAVAIL;
-	    }
-	}
-    }
+  status = internal_setent (DBFILE, &db);
 
   if (status == NSS_STATUS_SUCCESS)
     {
@@ -94,7 +56,7 @@ _nss_db_setnetgrent (const char *group)
       DBT value;
 
       value.flags = 0;
-      if (db->get (db, NULL, &key, &value, 0) != 0)
+      if (DL_CALL_FCT (db->get, (db->db, NULL, &key, &value, 0)) != 0)
 	status = NSS_STATUS_NOTFOUND;
       else
 	cursor = entry = value.data;
@@ -112,11 +74,7 @@ _nss_db_endnetgrent (void)
 {
   __libc_lock_lock (lock);
 
-  if (db != NULL)
-    {
-      db->close (db, 0);
-      db = NULL;
-    }
+  internal_endent (&db);
 
   __libc_lock_unlock (lock);