| 1 | |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | |
| 5 | #ifdef DLOPEN_FUNC_DIR |
| 6 | #include <dlfcn.h> |
| 7 | #else |
| 8 | void func(int K); |
| 9 | void func2(int K); |
| 10 | #endif |
| 11 | |
| 12 | int main(int argc, char *argv[]) { |
| 13 | #ifdef DLOPEN_FUNC_DIR |
| 14 | dlerror(); |
| 15 | void *f1_handle = dlopen(DLOPEN_FUNC_DIR"/func.shared" , DLOPEN_FLAGS); |
| 16 | if (f1_handle == NULL) { |
| 17 | fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func.shared': %s\n" , |
| 18 | dlerror()); |
| 19 | return EXIT_FAILURE; |
| 20 | } |
| 21 | |
| 22 | void (*func)(int) = (void (*)(int))dlsym(f1_handle, "func" ); |
| 23 | if (func == NULL) { |
| 24 | fprintf(stderr, "unable to lookup symbol 'func': %s\n" , dlerror()); |
| 25 | return EXIT_FAILURE; |
| 26 | } |
| 27 | |
| 28 | void *f2_handle = dlopen(DLOPEN_FUNC_DIR"/func2.shared" , DLOPEN_FLAGS); |
| 29 | if (f2_handle == NULL) { |
| 30 | fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func2.shared': %s\n" , |
| 31 | dlerror()); |
| 32 | return EXIT_FAILURE; |
| 33 | } |
| 34 | |
| 35 | void (*func2)(int) = (void (*)(int))dlsym(f2_handle, "func2" ); |
| 36 | if (func2 == NULL) { |
| 37 | fprintf(stderr, "unable to lookup symbol 'func2': %s\n" , dlerror()); |
| 38 | return EXIT_FAILURE; |
| 39 | } |
| 40 | #endif |
| 41 | |
| 42 | func(K: 1); |
| 43 | func2(K: 0); |
| 44 | |
| 45 | return EXIT_SUCCESS; |
| 46 | } |
| 47 | |
| 48 | |