15   int fd;  in open_1()  local
16   fd = open(path, O_RDONLY); // no-warning  in open_1()
17   if (fd > -1)  in open_1()
18     close(fd);  in open_1()
22   int fd;  in open_2()  local
24 …fd = open(path, O_RDONLY, mode, NULL); // expected-warning{{Call to 'open' with more than three ar…  in open_2()
25   if (fd > -1)  in open_2()
26     close(fd);  in open_2()
30   int fd;  in open_3()  local
31   fd = open(path, O_RDONLY, NULL); // expected-warning{{Third argument to 'open' is not an integer}}  in open_3()
32   if (fd > -1)  in open_3()
33     close(fd);  in open_3()
37   int fd;  in open_4()  local
38   fd = open(path, O_RDONLY, ""); // expected-warning{{Third argument to 'open' is not an integer}}  in open_4()
39   if (fd > -1)  in open_4()
40     close(fd);  in open_4()
44   int fd;  in open_5()  local
48   fd = open(path, O_RDONLY, st); // expected-warning{{Third argument to 'open' is not an integer}}  in open_5()
49   if (fd > -1)  in open_5()
50     close(fd);  in open_5()
54   int fd;  in open_6()  local
58   fd = open(path, O_RDONLY, st.val); // no-warning  in open_6()
59   if (fd > -1)  in open_6()
60     close(fd);  in open_6()
64   int fd;  in open_7()  local
65 …fd = open(path, O_RDONLY, &open); // expected-warning{{Third argument to 'open' is not an integer}}  in open_7()
66   if (fd > -1)  in open_7()
67     close(fd);  in open_7()
71   int fd;  in open_8()  local
72   fd = open(path, O_RDONLY, 0.0f); // expected-warning{{Third argument to 'open' is not an integer}}  in open_8()
73   if (fd > -1)  in open_8()
74     close(fd);  in open_8()