diff options
Diffstat (limited to 'REORG.TODO/nss/XXX-lookup.c')
| -rw-r--r-- | REORG.TODO/nss/XXX-lookup.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/REORG.TODO/nss/XXX-lookup.c b/REORG.TODO/nss/XXX-lookup.c new file mode 100644 index 0000000000..5a37fdae08 --- /dev/null +++ b/REORG.TODO/nss/XXX-lookup.c @@ -0,0 +1,87 @@ +/* Copyright (C) 1996-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. + + 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/>. */ + +#include "nsswitch.h" + +/*******************************************************************\ +|* Here we assume one symbol to be defined: *| +|* *| +|* DATABASE_NAME - name of the database the function accesses *| +|* (e.g., hosts, services, ...) *| +|* *| +|* One additional symbol may optionally be defined: *| +|* *| +|* ALTERNATE_NAME - name of another service which is examined in *| +|* case DATABASE_NAME is not found *| +|* *| +|* DEFAULT_CONFIG - string for default conf (e.g. "dns files") *| +|* *| +\*******************************************************************/ + +#define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup2) +#define DB_COMPAT_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup) +#define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post) +#define CONCAT3_2(Pre, Name, Post) Pre##Name##Post + +#define DATABASE_NAME_SYMBOL CONCAT3_1 (__nss_, DATABASE_NAME, _database) +#define DATABASE_NAME_STRING STRINGIFY1 (DATABASE_NAME) +#define STRINGIFY1(Name) STRINGIFY2 (Name) +#define STRINGIFY2(Name) #Name + +#ifdef ALTERNATE_NAME +#define ALTERNATE_NAME_STRING STRINGIFY1 (ALTERNATE_NAME) +#else +#define ALTERNATE_NAME_STRING NULL +#endif + +#ifndef DEFAULT_CONFIG +#define DEFAULT_CONFIG NULL +#endif + +service_user *DATABASE_NAME_SYMBOL attribute_hidden; + +extern int DB_LOOKUP_FCT (service_user **ni, const char *fct_name, + const char *fct2_name, void **fctp) + internal_function; +libc_hidden_proto (DB_LOOKUP_FCT) + +int +internal_function +DB_LOOKUP_FCT (service_user **ni, const char *fct_name, const char *fct2_name, + void **fctp) +{ + if (DATABASE_NAME_SYMBOL == NULL + && __nss_database_lookup (DATABASE_NAME_STRING, ALTERNATE_NAME_STRING, + DEFAULT_CONFIG, &DATABASE_NAME_SYMBOL) < 0) + return -1; + + *ni = DATABASE_NAME_SYMBOL; + + return __nss_lookup (ni, fct_name, fct2_name, fctp); +} +libc_hidden_def (DB_LOOKUP_FCT) + + +#ifndef NO_COMPAT +int +internal_function attribute_compat_text_section +DB_COMPAT_FCT (service_user **ni, const char *fct_name, void **fctp) +{ + return DB_LOOKUP_FCT (ni, fct_name, NULL, fctp); +} +#endif |