| /* Common database open/close routines for nss_db. |
| Copyright (C) 1999-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _NSS_DB_H |
| #define _NSS_DB_H 1 |
| |
| #include <nss.h> |
| #include <stdint.h> |
| #include <bits/libc-lock.h> |
| |
| |
| /* String table index type. */ |
| typedef uint32_t stridx_t; |
| |
| /* Database file header. */ |
| struct nss_db_header |
| { |
| uint32_t magic; |
| #define NSS_DB_MAGIC 0xdd110601 |
| uint32_t ndbs; |
| uint64_t valstroffset; |
| uint64_t valstrlen; |
| uint64_t allocate; |
| struct |
| { |
| char id; |
| char pad[sizeof (uint32_t) - 1]; |
| uint32_t hashsize; |
| uint64_t hashoffset; |
| uint64_t keyidxoffset; |
| uint64_t keystroffset; |
| } dbs[0]; |
| }; |
| |
| |
| /* Information about mapped database. */ |
| struct nss_db_map |
| { |
| struct nss_db_header *header; |
| size_t len; |
| }; |
| |
| |
| /* Open the database stored in FILE. If succesful, store the database |
| handle in *MAPPINGP or a file descriptor for the file in *FDP and |
| return NSS_STATUS_SUCCESS. On failure, return the appropriate |
| lookup status. */ |
| enum nss_status internal_setent (const char *file, |
| struct nss_db_map *mappingp); |
| |
| /* Close the database FD. */ |
| extern void internal_endent (struct nss_db_map *mapping); |
| |
| #endif /* nss_db.h */ |