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dlfcn/default.c
80 строк
2 KB
Joseph Myers
Remove trailing whitespace.
06 июн 2013, 00:44
06 июн 2013, 00:44
9c84384
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#include <dlfcn.h> #include <stdio.h> #include <string.h> extern int test_in_mod1 (void *); extern int test_in_mod2 (void *); int main (int argc, char *argv[]) { int (*ifp) (void); void *p; int result = 0; Dl_info info; dladdr(main, &info); if (info.dli_fname == NULL) { printf ("%s: dladdr returns NULL dli_fname\n", __FILE__); result = 1; } else if (strcmp (info.dli_fname, argv[0])) { printf ("%s: dladdr returned '%s' as dli_fname\n", __FILE__, info.dli_fname); result = 1; } else printf ("%s: dladdr returned correct dli_fname\n", __FILE__); /* Find function `main'. */ p = dlsym (RTLD_DEFAULT, "main"); if (p == NULL) { printf ("%s: main not found\n", __FILE__); result = 1; } else if ((int (*)(int, char **))p != main) { printf ("%s: wrong address returned for main\n", __FILE__); result = 1; } else printf ("%s: main correctly found\n", __FILE__); ifp = dlsym (RTLD_DEFAULT, "found_in_mod1"); if ((void *) ifp == NULL) { printf ("%s: found_in_mod1 not found\n", __FILE__); result = 1; } else if (ifp () != 1) { printf ("%s: wrong address returned for found_in_mod1\n", __FILE__); result = 1; } else printf ("%s: found_in_mod1 correctly found\n", __FILE__); ifp = dlsym (RTLD_DEFAULT, "found_in_mod2"); if ((void *) ifp == NULL) { printf ("%s: found_in_mod2 not found\n", __FILE__); result = 1; } else if (ifp () != 2) { printf ("%s: wrong address returned for found_in_mod2\n", __FILE__); result = 1; } else printf ("%s: found_in_mod2 correctly found\n", __FILE__); result |= test_in_mod1 (main); result |= test_in_mod2 (main); return result; }