13 int file = -1;  variable
21 		TC_ERROR("Failed opening file: %d, errno=%d\n", res, errno);  in test_file_open()
26 	file = res;  in test_file_open()
36 	res = lseek(file, 0, SEEK_SET);  in test_file_write()
39 		close(file);  in test_file_write()
40 		file = -1;  in test_file_write()
44 	brw = write(file, (char *)test_str, strlen(test_str));  in test_file_write()
46 		TC_PRINT("Failed writing to file [%d]\n", (int)brw);  in test_file_write()
47 		close(file);  in test_file_write()
48 		file = -1;  in test_file_write()
55 		close(file);  in test_file_write()
56 		file = -1;  in test_file_write()
70 	res = lseek(file, 0, SEEK_SET);  in test_file_read()
73 		close(file);  in test_file_read()
74 		file = -1;  in test_file_read()
78 	brw = read(file, read_buff, sz);  in test_file_read()
80 		TC_PRINT("Failed reading file [%d]\n", (int)brw);  in test_file_read()
81 		close(file);  in test_file_read()
82 		file = -1;  in test_file_read()
96 	res = lseek(file, 2, SEEK_SET);  in test_file_read()
99 		close(file);  in test_file_read()
100 		file = -1;  in test_file_read()
104 	brw = read(file, read_buff, sizeof(read_buff));  in test_file_read()
106 		TC_PRINT("Failed reading file [%d]\n", (int)brw);  in test_file_read()
107 		close(file);  in test_file_read()
108 		file = -1;  in test_file_read()
130 	if (file >= 0) {  in test_file_close()
131 		res = close(file);  in test_file_close()
133 			TC_ERROR("Failed closing file: %d, errno=%d\n", res, errno);  in test_file_close()
138 		file = -1;  in test_file_close()
148 	if (file < 0) {  in test_file_fsync()
152 	res = fsync(file);  in test_file_fsync()
154 		TC_ERROR("Failed to sync file: %d, errno = %d\n", res, errno);  in test_file_fsync()
158 	close(file);  in test_file_fsync()
159 	file = -1;  in test_file_fsync()
168 	if (file < 0) {  in test_file_fdatasync()
172 	res = fdatasync(file);  in test_file_fdatasync()
174 		TC_ERROR("Failed to sync file: %d, errno = %d\n", res, errno);  in test_file_fdatasync()
178 	close(file);  in test_file_fdatasync()
179 	file = -1;  in test_file_fdatasync()
189 	if (file < 0) {  in test_file_truncate()
193 	res = ftruncate(file, truncate_size);  in test_file_truncate()
195 		TC_PRINT("Error truncating file [%d]\n", res);  in test_file_truncate()
199 	close(file);  in test_file_truncate()
200 	file = -1;  in test_file_truncate()
210 		TC_PRINT("Error deleting file [%d]\n", res);  in test_file_delete()
231  * @details Test opens new file through POSIX open API.
267  * @details Test sync the file through POSIX fsync API.
280  * @details Test sync the file through POSIX fdatasync API.
297  * @details Test truncate the file through POSIX ftruncate API.
310  * @details Test closes the open file through POSIX close API.
322  * @details Test deletes a file through POSIX unlink API.
353 	file = open(TEST_FILE, O_RDWR | O_TRUNC);  in ZTEST()
354 	zassert_not_equal(file, -1,  in ZTEST()
355 			  "File open failed for truncate mode");  in ZTEST()
359 	zassert_equal(buf.st_size, 0, "Error: file is not truncated");  in ZTEST()