74 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (c) 2018 Linaro Limited. All rights reserved.
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|  * Author: Rafael David Tinoco <rafael.tinoco@linaro.org>
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|  */
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| 
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| /*
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|  * An empty buffer of size zero can be passed into fgetxattr(2) to return
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|  * the current size of the named extended attribute.
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|  */
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| 
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| #include "config.h"
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| #include <sys/types.h>
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| #include <sys/stat.h>
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| #include <sys/wait.h>
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| #include <errno.h>
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| #include <fcntl.h>
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| #include <unistd.h>
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| #include <signal.h>
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #ifdef HAVE_SYS_XATTR_H
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| # include <sys/xattr.h>
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| #endif
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| #include "tst_test.h"
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| 
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| #ifdef HAVE_SYS_XATTR_H
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| #define XATTR_TEST_KEY "user.testkey"
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| #define XATTR_TEST_VALUE "this is a test value"
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| #define XATTR_TEST_VALUE_SIZE 20
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| #define FILENAME "fgetxattr03testfile"
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| 
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| static int fd = -1;
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| 
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| static void verify_fgetxattr(void)
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| {
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| 	TEST(fgetxattr(fd, XATTR_TEST_KEY, NULL, 0));
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| 
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| 	if (TST_RET == XATTR_TEST_VALUE_SIZE) {
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| 		tst_res(TPASS, "fgetxattr(2) returned correct value");
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| 		return;
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| 	}
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| 
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| 	tst_res(TFAIL | TTERRNO, "fgetxattr(2) failed with %li", TST_RET);
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| }
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| 
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| static void setup(void)
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| {
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| 	SAFE_TOUCH(FILENAME, 0644, NULL);
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| 	fd = SAFE_OPEN(FILENAME, O_RDONLY, NULL);
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| 
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| 	SAFE_FSETXATTR(fd, XATTR_TEST_KEY, XATTR_TEST_VALUE,
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| 			XATTR_TEST_VALUE_SIZE, XATTR_CREATE);
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| }
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| 
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| static void cleanup(void)
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| {
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| 	if (fd > 0)
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| 		SAFE_CLOSE(fd);
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| }
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| 
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| static struct tst_test test = {
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| 	.setup = setup,
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| 	.test_all = verify_fgetxattr,
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| 	.cleanup = cleanup,
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| 	.needs_tmpdir = 1,
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| };
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| 
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| #else /* HAVE_SYS_XATTR_H */
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| TST_TEST_TCONF("<sys/xattr.h> does not exist");
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| #endif
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| 
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