1 /* 2 * Copyright (C) 2015 Cedric Hnyda ced.hnyda (at) gmail.com 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 */ 20 21 /* 22 * AUTHOR : Cdric Hnyda 23 * DATE STARTED : 06/13/2015 24 * 25 * Calls getrandom(2) with a NULL buffer and expects failure. 26 * 27 */ 28 29 #include "lapi/getrandom.h" 30 #include "linux_syscall_numbers.h" 31 #include "tst_test.h" 32 33 static int modes[] = {0, GRND_RANDOM, GRND_NONBLOCK, 34 GRND_RANDOM | GRND_NONBLOCK}; 35 36 static void verify_getrandom(unsigned int n) 37 { 38 TEST(tst_syscall(__NR_getrandom, NULL, 100, modes[n])); 39 40 if (TEST_RETURN == -1) { 41 tst_res(TPASS | TTERRNO, "getrandom returned %ld", 42 TEST_RETURN); 43 } else { 44 tst_res(TFAIL | TTERRNO, "getrandom failed"); 45 } 46 } 47 48 static struct tst_test test = { 49 .tid = "getrandom01", 50 .tcnt = ARRAY_SIZE(modes), 51 .test = verify_getrandom, 52 }; 53
