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/* NSS service provider with errno clobber.
Copyright (C) 2022 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <nss.h>
#include <stdlib.h>
/* Catch misnamed and functions. */
#pragma GCC diagnostic error "-Wmissing-prototypes"
NSS_DECLARE_MODULE_FUNCTIONS (test_errno)
static void __attribute__ ((constructor))
init (void)
{
/* An arbitrary error code which is otherwise not used. */
errno = -1009;
}
/* Lookup functions for pwd follow that do not return any data. */
/* Catch misnamed function definitions. */
enum nss_status
_nss_test_errno_setpwent (int stayopen)
{
setenv ("_nss_test_errno_setpwent", "yes", 1);
return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_test_errno_getpwent_r (struct passwd *result,
char *buffer, size_t size, int *errnop)
{
setenv ("_nss_test_errno_getpwent_r", "yes", 1);
return NSS_STATUS_NOTFOUND;
}
enum nss_status
_nss_test_errno_endpwent (void)
{
setenv ("_nss_test_errno_endpwent", "yes", 1);
return NSS_STATUS_SUCCESS;
}
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