1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.API -verify %s
#ifndef O_RDONLY
#define O_RDONLY 0
#endif
#ifndef NULL
#define NULL ((void*) 0)
#endif
int open(const char *, int, ...);
int close(int fildes);
void open_1(const char *path) {
int fd;
fd = open(path, O_RDONLY); // no-warning
if (fd > -1)
close(fd);
}
void open_2(const char *path) {
int fd;
int mode = 0x0;
fd = open(path, O_RDONLY, mode, NULL); // expected-warning{{Call to 'open' with more than three arguments}}
if (fd > -1)
close(fd);
}
void open_3(const char *path) {
int fd;
fd = open(path, O_RDONLY, NULL); // expected-warning{{Third argument to 'open' is not an integer}}
if (fd > -1)
close(fd);
}
void open_4(const char *path) {
int fd;
fd = open(path, O_RDONLY, ""); // expected-warning{{Third argument to 'open' is not an integer}}
if (fd > -1)
close(fd);
}
void open_5(const char *path) {
int fd;
struct {
int val;
} st = {0};
fd = open(path, O_RDONLY, st); // expected-warning{{Third argument to 'open' is not an integer}}
if (fd > -1)
close(fd);
}
void open_6(const char *path) {
int fd;
struct {
int val;
} st = {0};
fd = open(path, O_RDONLY, st.val); // no-warning
if (fd > -1)
close(fd);
}
void open_7(const char *path) {
int fd;
fd = open(path, O_RDONLY, &open); // expected-warning{{Third argument to 'open' is not an integer}}
if (fd > -1)
close(fd);
}
void open_8(const char *path) {
int fd;
fd = open(path, O_RDONLY, 0.0f); // expected-warning{{Third argument to 'open' is not an integer}}
if (fd > -1)
close(fd);
}
|
