| Masatake YAMATO | 9682107 | 2014-05-14 13:16:29 +0900 | [diff] [blame^] | 1 | #include <unistd.h> |
| 2 | #include <sys/types.h> | ||||
| 3 | |||||
| 4 | /* Use "volatile" to avoid compiler optimization. */ | ||||
| 5 | |||||
| 6 | int f1(int i) | ||||
| 7 | { | ||||
| 8 | static uid_t (* volatile g)(void) = getuid; | ||||
| 9 | return g() + i; | ||||
| 10 | } | ||||
| 11 | |||||
| 12 | int f0(volatile int i) | ||||
| 13 | { | ||||
| 14 | static int (* volatile g)(int) = f1; | ||||
| 15 | return g(i) - i; | ||||
| 16 | } | ||||
| 17 | |||||
| 18 | int main(int argc, char** argv) | ||||
| 19 | { | ||||
| 20 | static int (* volatile g)(int) = f0; | ||||
| 21 | g(argc); | ||||
| 22 | return 0; | ||||
| 23 | } | ||||