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			70 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Common database open/close routines for nss_db.
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   Copyright (C) 1999, 2000, 2011 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#ifndef _NSS_DB_H
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#define _NSS_DB_H	1
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#include <nss.h>
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#include <stdint.h>
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#include <bits/libc-lock.h>
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/* String table index type.  */
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typedef uint32_t stridx_t;
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/* Database file header.  */
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struct nss_db_header
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{
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  uint32_t magic;
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#define NSS_DB_MAGIC 0xdd110601
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  uint32_t ndbs;
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  uint64_t valstroffset;
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  uint64_t valstrlen;
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  uint64_t allocate;
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  struct
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  {
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    char id;
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    char pad[sizeof (uint32_t) - 1];
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    uint32_t hashsize;
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    uint64_t hashoffset;
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    uint64_t keyidxoffset;
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    uint64_t keystroffset;
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  } dbs[0];
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};
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/* Information about mapped database.  */
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struct nss_db_map
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{
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  struct nss_db_header *header;
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  size_t len;
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};
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/* Open the database stored in FILE.  If succesful, store the database
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   handle in *MAPPINGP or a file descriptor for the file in *FDP and
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   return NSS_STATUS_SUCCESS.  On failure, return the appropriate
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   lookup status.  */
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enum nss_status internal_setent (const char *file,
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				 struct nss_db_map *mappingp);
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/* Close the database FD.  */
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extern void internal_endent (struct nss_db_map *mapping);
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#endif	/* nss_db.h */
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