1 // RUN: %clang_asan -O2 %s -o %t
2 // We need replace_str=0 and replace_intrin=0 to avoid reporting errors in
3 // strlen() and memcpy() called by puts().
4 // RUN: env ASAN_OPTIONS=replace_str=0:replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
5 // RUN: env ASAN_OPTIONS=replace_str=0:replace_intrin=0 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
6
7 // FIXME: printf is not intercepted on Windows yet.
8 // XFAIL: win32
9
10 #include <stdio.h>
main()11 int main() {
12 volatile char c = '0';
13 volatile int x = 12;
14 volatile float f = 1.239;
15 volatile char s[] = "34";
16 volatile char buf[2];
17 sprintf((char *)buf, "%c %d %.3f %s\n", c, x, f, s);
18 puts((const char *)buf);
19 return 0;
20 // Check that size of output buffer is sanitized.
21 // CHECK-ON: stack-buffer-overflow
22 // CHECK-ON-NOT: 0 12 1.239 34
23 }
24