1 /* Copyright (C) 2000-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
24 __nss_getent (getent_r_function func
, void **resbuf
, char **buffer
,
25 size_t buflen
, size_t *buffer_size
, int *h_errnop
)
31 *buffer_size
= buflen
;
32 *buffer
= malloc (*buffer_size
);
35 while (*buffer
!= NULL
36 && func (resbuf
, *buffer
, *buffer_size
, &result
, h_errnop
) == ERANGE
37 && (h_errnop
== NULL
|| *h_errnop
== NETDB_INTERNAL
))
41 new_buf
= realloc (*buffer
, *buffer_size
);
44 /* We are out of memory. Free the current buffer so that the
45 process gets a chance for a normal termination. */