-/* Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1996, 1997, 1998, 1999 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 Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
+ 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
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _NSSWITCH_H
#define _NSSWITCH_H 1
#include <arpa/nameser.h>
#include <netinet/in.h>
+#include <nss.h>
#include <resolv.h>
#include <search.h>
-
-
-/* Revision number of NSS interface (must be a string). */
-#define NSS_SHLIB_REVISION ".1"
-
-
-/* Possible results of lookup using a nss_* function. */
-enum nss_status
-{
- NSS_STATUS_TRYAGAIN = -2,
- NSS_STATUS_UNAVAIL,
- NSS_STATUS_NOTFOUND,
- NSS_STATUS_SUCCESS,
-};
+#include <ldsodefs.h>
/* Actions performed after lookup finished. */
} service_library;
-/* For mappng a function name to a function pointer. */
+/* For mapping a function name to a function pointer. It is known in
+ nsswitch.c:nss_lookup_function that a string pointer for the lookup key
+ is the first member. */
typedef struct
{
const char *fct_name;
typedef struct service_user
{
- /* Name of the service (`files', `dns', `nis', ...). */
- const char *name;
+ /* And the link to the next entry. */
+ struct service_user *next;
/* Action according to result. */
- lookup_actions actions[4];
+ lookup_actions actions[5];
/* Link to the underlying library object. */
service_library *library;
/* Collection of known functions. */
struct entry *known;
- /* And the link to the next entry. */
- struct service_user *next;
+ /* Name of the service (`files', `dns', `nis', ...). */
+ char name[0];
} service_user;
/* To access the action based on the status value use this macro. */
typedef struct name_database_entry
{
- /* Name of the database. */
- const char *name;
- /* List of service to be used. */
- service_user *service;
/* And the link to the next entry. */
struct name_database_entry *next;
+ /* List of service to be used. */
+ service_user *service;
+ /* Name of the database. */
+ char name[0];
} name_database_entry;
If there is no configuration for this database in the file,
parse a service list from DEFCONFIG and use that. More
than one function can use the database. */
-int __nss_database_lookup (const char *database, const char *defconfig,
- service_user **ni);
+int __nss_database_lookup (const char *database, const char *alternative_name,
+ const char *defconfig, service_user **ni);
/* Put first function with name FCT_NAME for SERVICE in FCTP. The
position is remembered in NI. The function returns a value < 0 if
- an error occured or no such function exists. */
+ an error occurred or no such function exists. */
int __nss_lookup (service_user **ni, const char *fct_name, void **fctp);
/* Determine the next step in the lookup process according to the
`__nss_lookup' or `__nss_next'. NI specifies the last function
examined. The function return a value > 0 if the process should
stop with the last result of the last function call to be the
- result of the entire lookup. The returned valie is 0 if there is
- another function to use and < 0 if an error occured.
+ result of the entire lookup. The returned value is 0 if there is
+ another function to use and < 0 if an error occurred.
If ALL_VALUES is nonzero, the return value will not be > 0 as long as
there is a possibility the lookup process can ever use following
int __nss_next (service_user **ni, const char *fct_name, void **fctp,
int status, int all_values);
+/* Search for the service described in NI for a function named FCT_NAME
+ and return a pointer to this function if successful. */
+void *__nss_lookup_function (service_user *ni, const char *fct_name);
#endif /* nsswitch.h */