1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) International Business Machines Corp., 2001 4f08c3bdfSopenharmony_ci */ 5f08c3bdfSopenharmony_ci 6f08c3bdfSopenharmony_ci/*\ 7f08c3bdfSopenharmony_ci * [Description] 8f08c3bdfSopenharmony_ci * 9f08c3bdfSopenharmony_ci * Testcase to check if fstatfs() sets errno correctly. 10f08c3bdfSopenharmony_ci */ 11f08c3bdfSopenharmony_ci 12f08c3bdfSopenharmony_ci#include <errno.h> 13f08c3bdfSopenharmony_ci#include <stdlib.h> 14f08c3bdfSopenharmony_ci#include <sys/types.h> 15f08c3bdfSopenharmony_ci#include <sys/statfs.h> 16f08c3bdfSopenharmony_ci#include <sys/wait.h> 17f08c3bdfSopenharmony_ci#include "tst_test.h" 18f08c3bdfSopenharmony_ci#include "tst_safe_macros.h" 19f08c3bdfSopenharmony_ci 20f08c3bdfSopenharmony_cistatic struct statfs buf; 21f08c3bdfSopenharmony_ci 22f08c3bdfSopenharmony_cistatic int fd; 23f08c3bdfSopenharmony_cistatic int bad_fd = -1; 24f08c3bdfSopenharmony_ci 25f08c3bdfSopenharmony_cistatic struct test_case_t { 26f08c3bdfSopenharmony_ci int *fd; 27f08c3bdfSopenharmony_ci struct statfs *sbuf; 28f08c3bdfSopenharmony_ci int error; 29f08c3bdfSopenharmony_ci} tests[] = { 30f08c3bdfSopenharmony_ci {&bad_fd, &buf, EBADF}, 31f08c3bdfSopenharmony_ci {&fd, (void *)-1, EFAULT}, 32f08c3bdfSopenharmony_ci}; 33f08c3bdfSopenharmony_ci 34f08c3bdfSopenharmony_cistatic void fstatfs_verify(unsigned int n) 35f08c3bdfSopenharmony_ci{ 36f08c3bdfSopenharmony_ci int pid, status; 37f08c3bdfSopenharmony_ci 38f08c3bdfSopenharmony_ci pid = SAFE_FORK(); 39f08c3bdfSopenharmony_ci if (!pid) { 40f08c3bdfSopenharmony_ci TST_EXP_FAIL(fstatfs(*tests[n].fd, tests[n].sbuf), tests[n].error, "fstatfs()"); 41f08c3bdfSopenharmony_ci exit(0); 42f08c3bdfSopenharmony_ci } 43f08c3bdfSopenharmony_ci 44f08c3bdfSopenharmony_ci SAFE_WAITPID(pid, &status, 0); 45f08c3bdfSopenharmony_ci 46f08c3bdfSopenharmony_ci if (WIFEXITED(status) && WEXITSTATUS(status) == 0) 47f08c3bdfSopenharmony_ci return; 48f08c3bdfSopenharmony_ci 49f08c3bdfSopenharmony_ci if (tests[n].error == EFAULT && 50f08c3bdfSopenharmony_ci WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV) { 51f08c3bdfSopenharmony_ci tst_res(TPASS, "Got SIGSEGV instead of EFAULT"); 52f08c3bdfSopenharmony_ci return; 53f08c3bdfSopenharmony_ci } 54f08c3bdfSopenharmony_ci 55f08c3bdfSopenharmony_ci tst_res(TFAIL, "Child %s", tst_strstatus(status)); 56f08c3bdfSopenharmony_ci} 57f08c3bdfSopenharmony_ci 58f08c3bdfSopenharmony_cistatic void setup(void) 59f08c3bdfSopenharmony_ci{ 60f08c3bdfSopenharmony_ci fd = SAFE_OPEN("tempfile", O_RDWR | O_CREAT, 0700); 61f08c3bdfSopenharmony_ci} 62f08c3bdfSopenharmony_ci 63f08c3bdfSopenharmony_cistatic void cleanup(void) 64f08c3bdfSopenharmony_ci{ 65f08c3bdfSopenharmony_ci if (fd > 0) 66f08c3bdfSopenharmony_ci SAFE_CLOSE(fd); 67f08c3bdfSopenharmony_ci} 68f08c3bdfSopenharmony_ci 69f08c3bdfSopenharmony_cistatic struct tst_test test = { 70f08c3bdfSopenharmony_ci .test = fstatfs_verify, 71f08c3bdfSopenharmony_ci .tcnt = ARRAY_SIZE(tests), 72f08c3bdfSopenharmony_ci .setup = setup, 73f08c3bdfSopenharmony_ci .cleanup = cleanup, 74f08c3bdfSopenharmony_ci .needs_tmpdir = 1, 75f08c3bdfSopenharmony_ci .forks_child = 1, 76f08c3bdfSopenharmony_ci}; 77