93 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
 | |
| /*
 | |
|  * Copyright (c) International Business Machines  Corp., 2002
 | |
|  * Copyright (c) 2019 FUJITSU LIMITED. All rights reserved.
 | |
|  *
 | |
|  * Jay Huie
 | |
|  * Robbie Williamson
 | |
|  */
 | |
| /*
 | |
|  * Test Description:
 | |
|  *  Verify that,
 | |
|  *  1)ftruncate() fails with EINVAL if the file is a socket.
 | |
|  *  2)ftruncate() fails with EINVAL if the file descriptor opens with O_RDONLY.
 | |
|  *  3)ftruncate() fails with EINVAL if the length is negative.
 | |
|  *  4)ftruncate() fails with EBADF if the file descriptor is invalid.
 | |
|  */
 | |
| 
 | |
| #include <sys/types.h>
 | |
| #include <sys/stat.h>
 | |
| #include <fcntl.h>
 | |
| #include <unistd.h>
 | |
| #include <errno.h>
 | |
| #include <string.h>
 | |
| #include <sys/socket.h>
 | |
| 
 | |
| #include "tst_test.h"
 | |
| 
 | |
| #define TESTFILE1	"testfile1"
 | |
| #define TESTFILE2	"testfile2"
 | |
| 
 | |
| static int sock_fd, read_fd, fd;
 | |
| static int bad_fd = -1;
 | |
| 
 | |
| static struct tcase {
 | |
| 	int *fd;
 | |
| 	off_t length;
 | |
| 	int exp_errno;
 | |
| } tcases[] = {
 | |
| 	{&sock_fd, 4, EINVAL},
 | |
| 	{&read_fd, 4, EINVAL},
 | |
| 	{&fd, -1, EINVAL},
 | |
| 	{&bad_fd, 4, EBADF},
 | |
| };
 | |
| 
 | |
| static void verify_ftruncate(unsigned int n)
 | |
| {
 | |
| 	struct tcase *tc = &tcases[n];
 | |
| 
 | |
| 	TEST(ftruncate(*tc->fd, tc->length));
 | |
| 	if (TST_RET != -1) {
 | |
| 		tst_res(TFAIL, "ftruncate() succeeded unexpectedly and got %ld",
 | |
| 			TST_RET);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (TST_ERR == tc->exp_errno) {
 | |
| 		tst_res(TPASS | TTERRNO, "ftruncate() failed expectedly");
 | |
| 	} else {
 | |
| 		tst_res(TFAIL | TTERRNO,
 | |
| 			"ftruncate() failed unexpectedly, got %s, expected",
 | |
| 			tst_strerrno(tc->exp_errno));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void setup(void)
 | |
| {
 | |
| 	sock_fd = SAFE_SOCKET(PF_INET, SOCK_STREAM, 0);
 | |
| 
 | |
| 	read_fd = SAFE_OPEN(TESTFILE1, O_RDONLY | O_CREAT, 0644);
 | |
| 
 | |
| 	fd = SAFE_OPEN(TESTFILE2, O_RDWR | O_CREAT, 0644);
 | |
| }
 | |
| 
 | |
| static void cleanup(void)
 | |
| {
 | |
| 	if (sock_fd > 0)
 | |
| 		SAFE_CLOSE(sock_fd);
 | |
| 
 | |
| 	if (read_fd > 0)
 | |
| 		SAFE_CLOSE(read_fd);
 | |
| 
 | |
| 	if (fd > 0)
 | |
| 		SAFE_CLOSE(fd);
 | |
| }
 | |
| 
 | |
| static struct tst_test test = {
 | |
| 	.tcnt = ARRAY_SIZE(tcases),
 | |
| 	.test = verify_ftruncate,
 | |
| 	.setup = setup,
 | |
| 	.cleanup = cleanup,
 | |
| 	.needs_tmpdir = 1,
 | |
| };
 |