1 /* Group merging implementation. 2 Copyright (C) 2016-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _GRP_MERGE_H 20 #define _GRP_MERGE_H 1 21 22 #include <grp.h> 23 24 /* Duplicate a grp struct (and its members). When no longer needed, the 25 calling function must free(newbuf). */ 26 int 27 __copy_grp (const struct group srcgrp, const size_t buflen, 28 struct group *destgrp, char *destbuf, char **endptr); 29 30 /* Merge the member lists of two grp structs together. */ 31 int 32 __merge_grp (struct group *savedgrp, char *savedbuf, char *savedend, 33 size_t buflen, struct group *mergegrp, char *mergebuf); 34 35 #endif /* _GRP_MERGE_H */ 36