1 | #include <dlfcn.h> |
2 | #include <stdio.h> |
3 | |
4 | extern int found_in_mod1 (void); |
5 | int |
6 | found_in_mod1 (void) |
7 | { |
8 | return 1; |
9 | } |
10 | |
11 | extern int found_in_mod2 (void); |
12 | int |
13 | found_in_mod2 (void) |
14 | { |
15 | return 2; |
16 | } |
17 | |
18 | |
19 | extern int test_in_mod2 (int (*mainp)(int, char **)); |
20 | int |
21 | test_in_mod2 (int (*mainp)(int, char **)) |
22 | { |
23 | int (*ifp) (void); |
24 | void *p; |
25 | int result = 0; |
26 | |
27 | /* Find function `main'. */ |
28 | p = dlsym (RTLD_DEFAULT, name: "main" ); |
29 | if (p == NULL) |
30 | { |
31 | printf (format: "%s: main not found\n" , __FILE__); |
32 | result = 1; |
33 | } |
34 | else if ((int (*)(int, char **))p != mainp) |
35 | { |
36 | printf (format: "%s: wrong address returned for main\n" , __FILE__); |
37 | result = 1; |
38 | } |
39 | else |
40 | printf (format: "%s: main correctly found\n" , __FILE__); |
41 | |
42 | ifp = dlsym (RTLD_DEFAULT, name: "found_in_mod1" ); |
43 | if ((void *) ifp == NULL) |
44 | { |
45 | printf (format: "%s: found_in_mod1 not found\n" , __FILE__); |
46 | result = 1; |
47 | } |
48 | else if (ifp () != 1) |
49 | { |
50 | printf (format: "%s: wrong address returned for found_in_mod1\n" , __FILE__); |
51 | result = 1; |
52 | } |
53 | else |
54 | printf (format: "%s: found_in_mod1 correctly found\n" , __FILE__); |
55 | |
56 | ifp = dlsym (RTLD_DEFAULT, name: "found_in_mod2" ); |
57 | if ((void *) ifp == NULL) |
58 | { |
59 | printf (format: "%s: found_in_mod2 not found\n" , __FILE__); |
60 | result = 1; |
61 | } |
62 | else if (ifp () != 2) |
63 | { |
64 | printf (format: "%s: wrong address returned for found_in_mod2\n" , __FILE__); |
65 | result = 1; |
66 | } |
67 | else |
68 | printf (format: "%s: found_in_mod2 correctly found\n" , __FILE__); |
69 | |
70 | return result; |
71 | } |
72 | |