1 files changed, 42 insertions, 0 deletions
diff --git a/testsuite/nsswitch/initgroups.c b/testsuite/nsswitch/initgroups.c
new file mode 100644
index 0000000..b7d9c50
--- /dev/null
+++ b/testsuite/nsswitch/initgroups.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <grp.h>
+#include <pwd.h>
+#include <sys/types.h>
+
+int main(int argc, char **argv)
+{
+	int result, ngroups, i;
+	gid_t *groups;
+	struct passwd *pw;
+
+	if (!(pw = getpwnam(argv[1]))) {
+		printf("FAIL: no passwd entry for %s\n", argv[1]);
+		return 1;
+	}
+
+	result = initgroups(argv[1], pw->pw_gid);
+
+	if (result == -1) {
+		printf("FAIL");
+		return 1;
+	}
+
+	ngroups = getgroups(0, NULL);
+
+	groups = (gid_t *)malloc(sizeof(gid_t) * ngroups);
+	ngroups = getgroups(ngroups, groups);
+
+	printf("%s is a member of groups:\n", argv[1]);
+
+	for (i = 0; i < ngroups; i++) {
+		struct group *grp;
+
+		grp = getgrgid(groups[i]);
+
+		printf("%d (%s)\n", groups[i], grp ? grp->gr_name : "?");
+	}
+
+	printf("PASS\n");
+	return 0;
+}