17 	int res;  in test_file_open()  local
19 	res = open(TEST_FILE, O_CREAT | O_RDWR, 0660);  in test_file_open()
20 	if (res < 0) {  in test_file_open()
21 		TC_ERROR("Failed opening file: %d, errno=%d\n", res, errno);  in test_file_open()
23 		__ASSERT_NO_MSG(res >= 0);  in test_file_open()
26 	file = res;  in test_file_open()
34 	off_t res;  in test_file_write()  local
36 	res = lseek(file, 0, SEEK_SET);  in test_file_write()
37 	if (res != 0) {  in test_file_write()
38 		TC_PRINT("lseek failed [%d]\n", (int)res);  in test_file_write()
60 	return res;  in test_file_write()
66 	off_t res;  in test_file_read()  local
70 	res = lseek(file, 0, SEEK_SET);  in test_file_read()
71 	if (res != 0) {  in test_file_read()
72 		TC_PRINT("lseek failed [%d]\n", (int)res);  in test_file_read()
96 	res = lseek(file, 2, SEEK_SET);  in test_file_read()
97 	if (res != 2) {  in test_file_read()
98 		TC_PRINT("lseek failed [%d]\n", (int)res);  in test_file_read()
128 	int res = 0;  in test_file_close()  local
131 		res = close(file);  in test_file_close()
132 		if (res < 0) {  in test_file_close()
133 			TC_ERROR("Failed closing file: %d, errno=%d\n", res, errno);  in test_file_close()
135 			__ASSERT_NO_MSG(res == 0);  in test_file_close()
141 	return res;  in test_file_close()
146 	int res = 0;  in test_file_fsync()  local
149 		return res;  in test_file_fsync()
152 	res = fsync(file);  in test_file_fsync()
153 	if (res < 0) {  in test_file_fsync()
154 		TC_ERROR("Failed to sync file: %d, errno = %d\n", res, errno);  in test_file_fsync()
155 		res = TC_FAIL;  in test_file_fsync()
160 	return res;  in test_file_fsync()
166 	int res = 0;  in test_file_fdatasync()  local
169 		return res;  in test_file_fdatasync()
172 	res = fdatasync(file);  in test_file_fdatasync()
173 	if (res < 0) {  in test_file_fdatasync()
174 		TC_ERROR("Failed to sync file: %d, errno = %d\n", res, errno);  in test_file_fdatasync()
175 		res = TC_FAIL;  in test_file_fdatasync()
180 	return res;  in test_file_fdatasync()
186 	int res = 0;  in test_file_truncate()  local
190 		return res;  in test_file_truncate()
193 	res = ftruncate(file, truncate_size);  in test_file_truncate()
194 	if (res) {  in test_file_truncate()
195 		TC_PRINT("Error truncating file [%d]\n", res);  in test_file_truncate()
196 		res = TC_FAIL;  in test_file_truncate()
201 	return res;  in test_file_truncate()
206 	int res;  in test_file_delete()  local
208 	res = unlink(TEST_FILE);  in test_file_delete()
209 	if (res) {  in test_file_delete()
210 		TC_PRINT("Error deleting file [%d]\n", res);  in test_file_delete()
211 		return res;  in test_file_delete()
214 	return res;  in test_file_delete()