38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
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/* xgetgroups.c -- return a list of the groups a user or current process is in
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Copyright (C) 2007-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Extracted from coreutils' src/id.c. */
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#include <config.h>
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#include "mgetgroups.h"
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#include <errno.h>
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#include "xalloc.h"
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/* Like mgetgroups, but call xalloc_die on allocation failure. */
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int
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xgetgroups (char const *username, gid_t gid, gid_t **groups)
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{
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int result = mgetgroups (username, gid, groups);
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if (result == -1 && errno == ENOMEM)
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xalloc_die ();
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return result;
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}
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