43 test_file_equals(int fd, const char* expected_buffer, size_t size)  in test_file_equals()  argument
45 	T_ASSERT_POSIX_SUCCESS(lseek(fd, 0, SEEK_SET), "Reset file offset");  in test_file_equals()
48 	T_ASSERT_EQ(read(fd, read_buffer, size), (ssize_t)size, "Read expected buffer");  in test_file_equals()
56 	int fd = mkstemp(scratchfile_path);  variable
57 	T_ASSERT_POSIX_SUCCESS(fd, "created temporary file");
60 	T_ASSERT_POSIX_SUCCESS(pwrite(fd, "a", 1, 1), "pwrite 'a' at offset 1");
61 	test_file_equals(fd, "\0a", 2);
63 	T_ASSERT_POSIX_SUCCESS(pwrite(fd, "bcd", 3, 0), "pwrite 'bcd' at offset 0");
64 	test_file_equals(fd, "bcd", 3);
68 test_pwrite_should_fail(int fd, int expected_errno)  in test_pwrite_should_fail()  argument
71 	ssize_t pwrite_result = pwrite(fd, &input_buffer, 1, 0);  in test_pwrite_should_fail()
77 	pwrite_result = pwrite(fd, &input_buffer, 1, 1);  in test_pwrite_should_fail()
83 	pwrite_result = pwrite(fd, &input_buffer, 0, 0);  in test_pwrite_should_fail()
89 	pwrite_result = pwrite(fd, &input_buffer, 0, 1);  in test_pwrite_should_fail()
145 	int fd = open("/dev/null", O_RDONLY);  variable
146 	T_ASSERT_POSIX_SUCCESS(fd, "Opened /dev/null");
150 	ssize_t pwrite_result = pwrite(fd, &buffer, 1, 0);
156 	pwrite_result = pwrite(fd, &buffer, 1, 1);
163 	pwrite_result = pwrite(fd, &buffer, 0, 0);
170 	pwrite_result = pwrite(fd, &buffer, 0, 1);
176 	T_ASSERT_POSIX_SUCCESS(close(fd), "Closed /dev/null");