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-rw-r--r--nss/tst-initgroups1.c56
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diff --git a/nss/tst-initgroups1.c b/nss/tst-initgroups1.c
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+/* Test that initgroups works.
+ Copyright (C) 2020-2023 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/>. */
+
+#include <nss.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <grp.h>
+
+#include <support/support.h>
+#include <support/check.h>
+
+/* Test that initgroups includes secondary groups.
+ https://bugzilla.redhat.com/show_bug.cgi?id=1906066 */
+
+/* This version uses the wrapper around the groups module. */
+
+#define EXPECTED_N_GROUPS 4
+static gid_t expected_groups[] =
+ { 20, 30, 50, 51 };
+
+static int
+do_test (void)
+{
+ gid_t mygroups [50];
+ int i, n;
+
+ n = 50;
+ getgrouplist ("dj", 20, mygroups, &n);
+
+ TEST_COMPARE (n, EXPECTED_N_GROUPS);
+ for (i=0; i<n; i++)
+ TEST_COMPARE (mygroups[i], expected_groups[i]);
+
+ return 0;
+}
+
+#include <support/test-driver.c>