59 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| /*
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|  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
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|  * Copyright (c) 2020 SUSE LLC
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|  *
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|  * 03/30/1992 AUTHOR: Richard Logan CO-PILOT: William Roske
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|  *
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|  */
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| /*\
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|  * [Description]
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|  * Negative test for dup(2) with bad fds.
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|  *
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|  * [Algorithm]
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|  * Call dup(2) with invalid argument and make sure it returns -1 with errno set
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|  * to EBADF.
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|  */
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| 
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| #include "tst_test.h"
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| 
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| static struct tcase {
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| 	int fd;
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| 	int expected_errno;
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| } tcases[] = {
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| 	{-1, EBADF},
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| 	{1500, EBADF},
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| };
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| 
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| static void run(unsigned int n)
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| {
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| 	struct tcase *tc = &tcases[n];
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| 
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| 	TEST(dup(tc->fd));
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| 
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| 	if (TST_RET < -1) {
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| 		tst_res(TFAIL | TTERRNO, "Invalid dup() return value %ld",
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| 			TST_RET);
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| 		return;
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| 	}
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| 
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| 	if (TST_RET == -1) {
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| 		if (tc->expected_errno == TST_ERR) {
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| 			tst_res(TPASS | TTERRNO, "dup(%d) failed as expected",
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| 				tc->fd);
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| 		} else {
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| 			tst_res(TFAIL | TTERRNO, "dup(%d) failed unexpectedly",
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| 				tc->fd);
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| 		}
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| 		return;
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| 	}
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| 
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| 	tst_res(TFAIL, "dup(%d) succeeded unexpectedly", tc->fd);
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| 	SAFE_CLOSE(TST_RET);
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| }
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| 
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| static struct tst_test test = {
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| 	.test = run,
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| 	.tcnt = ARRAY_SIZE(tcases),
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| };
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