nss/nss_db/nss_db.h

   1 /* Common database open/close routines for nss_db.
   2    Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _NSS_DB_H
  21 #define _NSS_DB_H       1
  22
  23 #include <stdint.h>
  24
  25 /* The error values kept the same values though new values were added.
  26    Define only those which we need.  */
  27 #define DB_NOTFOUND     ( -7)
  28
  29 /* This is the wrapper we put around the `DB' structures to provide a
  30    uniform interface to the higher-level functions.  */
  31 typedef struct
  32 {
  33   void *db;
  34   int (*close) (void *, uint32_t);
  35   int (*fd) (void *, int *);
  36   int (*get) (void *, void *, void *, void *, uint32_t);
  37
  38 } NSS_DB;
  39
  40
  41 /* The `DBT' type is the same in all versions we support.  */
  42 typedef struct {
  43   void *data;
  44   uint32_t size;
  45   uint32_t ulen;
  46   uint32_t dlen;
  47   uint32_t doff;
  48   uint32_t flags;
  49 } DBT;
  50
  51
  52 /* Private routines to nss_db.
  53    You must have included nsswitch.h and db.h before this file.  */
  54
  55 extern enum nss_status internal_setent (const char *file, NSS_DB **dbp);
  56 extern void internal_endent (NSS_DB **dbp);
  57
  58 #endif  /* nss_db.h */