glibc/grp/grp-merge.h

36 lines
1.3 KiB
C

/* Group merging implementation.
Copyright (C) 2016-2020 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
<https://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);
/* 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);
#endif /* _GRP_MERGE_H */