| Alexey Samsonov | 00cd273 | 2014-01-21 11:58:33 +0000 | [diff] [blame^] | 1 | // RUN: %clang_asan -O2 %s -o %t |
| 2 | // RUN: ASAN_OPTIONS=check_printf=1 not %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s |
| 3 | // RUN: ASAN_OPTIONS=check_printf=0 %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s |
| 4 | // RUN: %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s |
| 5 | |
| 6 | #include <stdio.h> |
| 7 | int main() { |
| 8 | volatile char c = '0'; |
| 9 | volatile int x = 12; |
| 10 | volatile float f = 1.239; |
| 11 | volatile char s[] = "34"; |
| 12 | volatile char buf[2]; |
| 13 | sprintf((char *)buf, "%c %d %.3f %s\n", c, x, f, s); |
| 14 | puts((const char *)buf); |
| 15 | return 0; |
| 16 | // Check that size of output buffer is sanitized. |
| 17 | // CHECK-ON: stack-buffer-overflow |
| 18 | // CHECK-ON-NOT: 0 12 1.239 34 |
| 19 | // CHECK-OFF: 0 12 1.239 34 |
| 20 | } |