mips: FIx clone3 implementation (BZ 31325)
[glibc.git] / nss / getnetgrent.c
blobe9ce531730852c4632e5c06157543a5d8152b59a
1 /* Copyright (C) 1996-2024 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 <https://www.gnu.org/licenses/>. */
18 #include <errno.h>
19 #include <netdb.h>
20 #include <stdlib.h>
21 #include <libc-lock.h>
22 #include <set-freeres.h>
24 /* Static buffer for return value. We allocate it when needed. */
25 static char *buffer;
26 /* All three strings should fit in a block of 1kB size. */
27 #define BUFSIZE 1024
31 static void
32 allocate (void)
34 buffer = (char *) malloc (BUFSIZE);
37 int
38 getnetgrent (char **hostp, char **userp, char **domainp)
40 __libc_once_define (static, once);
41 __libc_once (once, allocate);
43 if (buffer == NULL)
45 __set_errno (ENOMEM);
46 return -1;
49 return __getnetgrent_r (hostp, userp, domainp, buffer, BUFSIZE);
52 weak_alias (buffer, __libc_getnetgrent_freemem_ptr)