Albanian language locale for Macedonia
[glibc.git] / nss / getnssent.c
blob1f7573da74f047aeed2c4fb4a37ce09f0e00891f
1 /* Copyright (C) 2000, 2004 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, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <errno.h>
20 #include <stdlib.h>
21 #include <netdb.h>
22 #include "nsswitch.h"
24 void *
25 __nss_getent (getent_r_function func, void **resbuf, char **buffer,
26 size_t buflen, size_t *buffer_size, int *h_errnop)
28 void *result;
30 if (*buffer == NULL)
32 *buffer_size = buflen;
33 *buffer = malloc (*buffer_size);
36 while (buffer != NULL
37 && func (resbuf, *buffer, *buffer_size, &result, h_errnop) == ERANGE
38 && (h_errnop == NULL || *h_errnop == NETDB_INTERNAL))
40 char *new_buf;
41 *buffer_size *= 2;
42 new_buf = realloc (*buffer, *buffer_size);
43 if (new_buf == NULL)
45 /* We are out of memory. Free the current buffer so that the
46 process gets a chance for a normal termination. */
47 int save = errno;
48 free (*buffer);
49 __set_errno (save);
51 *buffer = new_buf;
54 if (*buffer == NULL)
55 result = NULL;
57 return result;