1 #include <dlfcn.h>
2 #include <error.h>
3 #include <stdio.h>
4 #include <stdlib.h>
5
6 int
main(void)7 main (void)
8 {
9 void *h;
10 int (*fp) (int);
11 int res;
12
13 h = dlopen ("${ORIGIN}/testobj1.so", RTLD_LAZY);
14 if (h == NULL)
15 error (EXIT_FAILURE, 0, "while loading `%s': %s", "testobj1.so",
16 dlerror ());
17
18 fp = dlsym (h, "obj1func1");
19 if (fp == NULL)
20 error (EXIT_FAILURE, 0, "getting `obj1func1' in `%s': %s",
21 "testobj1.so", dlerror ());
22
23 res = fp (10);
24 printf ("fp(10) = %d\n", res);
25
26 if (dlclose (h) != 0)
27 error (EXIT_FAILURE, 0, "while close `%s': %s",
28 "testobj1.so", dlerror ());
29
30 return res != 42;
31 }
32
33
34 extern int foo (int a);
35 int
foo(int a)36 foo (int a)
37 {
38 return a + 10;
39 }
40