summary refs log tree commit diff
path: root/grp/grp-merge.h
blob: 1ad9b9a53971549585af41cb84e5d69aee80d46b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* Group merging implementation.
   Copyright (C) 2016-2017 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
   <http://www.gnu.org/licenses/>.  */

#ifndef _GRP_MERGE_H
#define _GRP_MERGE_H 1

#include <grp.h>

/* Duplicate a grp struct (and its members). When no longer needed, the
   calling function must free(newbuf).  */
int
__copy_grp (const struct group srcgrp, const size_t buflen,
	    struct group *destgrp, char *destbuf, char **endptr)
	    internal_function;

/* Merge the member lists of two grp structs together.  */
int
__merge_grp (struct group *savedgrp, char *savedbuf, char *savedend,
	     size_t buflen, struct group *mergegrp, char *mergebuf)
	     internal_function;

#endif /* _GRP_MERGE_H */