| 1 | #include <stdio.h> |
|---|---|
| 2 | |
| 3 | |
| 4 | extern int successful_rtld_next_test (void); |
| 5 | extern void *failing_rtld_next_use (void); |
| 6 | |
| 7 | |
| 8 | static int |
| 9 | do_test (void) |
| 10 | { |
| 11 | int result; |
| 12 | void *addr; |
| 13 | |
| 14 | /* First try call a function which uses RTLD_NEXT and calls that |
| 15 | function. */ |
| 16 | result = successful_rtld_next_test (); |
| 17 | if (result == 42) |
| 18 | { |
| 19 | puts (s: "RTLD_NEXT seems to work for existing functions"); |
| 20 | result = 0; |
| 21 | } |
| 22 | else |
| 23 | { |
| 24 | printf (format: "Heh? `successful_rtld_next_test' returned %d\n", result); |
| 25 | result = 1; |
| 26 | } |
| 27 | |
| 28 | /* Next try a function which tries to get a function with RTLD_NEXT |
| 29 | but that fails. This dlsym() call should return a NULL pointer |
| 30 | and do nothing else. */ |
| 31 | addr = failing_rtld_next_use (); |
| 32 | if (addr == NULL) |
| 33 | puts (s: "dlsym returned NULL for non-existing function. Good"); |
| 34 | else |
| 35 | { |
| 36 | puts (s: "dlsym found something !?"); |
| 37 | result = 1; |
| 38 | } |
| 39 | |
| 40 | return result; |
| 41 | } |
| 42 | |
| 43 | #include <support/test-driver.c> |
| 44 |