/* * Copyright (C) 2015 Cedric Hnyda ced.hnyda@gmail.com * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Further, this software is distributed without any warranty that it is * free of the rightful claim of any third person regarding infringement * or the like. Any license provided herein, whether implied or * otherwise, applies only to this software file. Patent licenses, if * any, provided herein do not apply to combinations of this program with * other software, or any other product whatsoever. * * You should have received a copy of the GNU General Public License along * with this program; if not, write the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * */ /* * AUTHOR : CĆ©dric Hnyda * DATE STARTED : 06/13/2015 * * Calls getrandom(2), check that the return value is equal to the * number of bytes required and expects success. */ #include "lapi/getrandom.h" #include "linux_syscall_numbers.h" #include "test.h" #define MAX_SIZE 256 char *TCID = "getrandom03"; int TST_TOTAL = 5; static char buf[256]; int main(int ac, char **av) { int lc, i; long size; tst_parse_opts(ac, av, NULL, NULL); for (lc = 0; TEST_LOOPING(lc); lc++) { tst_count = 0; for (i = 0; i < TST_TOTAL; i++) { size = random() % MAX_SIZE; TEST(ltp_syscall(__NR_getrandom, buf, size, 0)); if (TEST_RETURN != size) tst_resm(TFAIL | TTERRNO, "getrandom failed"); else tst_resm(TPASS, "getrandom returned %ld", TEST_RETURN); } } tst_exit(); }