libexplain/getgrouplist.h

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/*
 * libexplain - Explain errno values returned by libc functions
 * Copyright (C) 2013 Peter Miller
 *
 * This program 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 3 of the License, or (at
 * your option) any later version.
 *
 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LIBEXPLAIN_GETGROUPLIST_H
#define LIBEXPLAIN_GETGROUPLIST_H

#include <libexplain/gcc_attributes.h>
#include <libexplain/large_file_support.h>

#include <sys/types.h>

#ifdef __cplusplus
extern "C" {
#endif

void explain_getgrouplist_or_die(const char *user, gid_t group, gid_t *groups,
    int *ngroups);

int explain_getgrouplist_on_error(const char *user, gid_t group, gid_t *groups,
    int *ngroups);

const char *explain_getgrouplist(const char *user, gid_t group, gid_t *groups,
    int *ngroups)
                                                  LIBEXPLAIN_WARN_UNUSED_RESULT;

const char *explain_errno_getgrouplist(int errnum, const char *user, gid_t
    group, gid_t *groups, int *ngroups)
                                                  LIBEXPLAIN_WARN_UNUSED_RESULT;

void explain_message_getgrouplist(char *message, int message_size, const char
    *user, gid_t group, gid_t *groups, int *ngroups);

void explain_message_errno_getgrouplist(char *message, int message_size, int
    errnum, const char *user, gid_t group, gid_t *groups, int *ngroups);

#ifdef __cplusplus
}
#endif

/* vim: set ts=8 sw=4 et : */
#endif /* LIBEXPLAIN_GETGROUPLIST_H */