/* Copyright (C) 1996, 1997 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <errno.h> #include <netdb.h> #include <stdlib.h> #include <bits/libc-lock.h> /* Statis buffer for return value. We allocate it when needed. */ static char *buffer; /* All three strings should fit in a block of 1kB size. */ #define BUFSIZE 1024 static void allocate (void) { buffer = (char *) malloc (BUFSIZE); } int getnetgrent (char **hostp, char **userp, char **domainp) { __libc_once_define (static, once); __libc_once (once, allocate); if (buffer == NULL) { __set_errno (ENOMEM); return -1; } return __getnetgrent_r (hostp, userp, domainp, buffer, BUFSIZE); } /* Make sure the memory is freed if the programs ends while in memory-debugging mode and something actually was allocated. */ static void __attribute__ ((unused)) free_mem (void) { if (buffer != NULL) free (buffer); } text_set_element (__libc_subfreeres, free_mem);