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// RUN: %clang_asan -O2 %s -o %t
// RUN: %env_asan_opts=check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
// RUN: %env_asan_opts=check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
// FIXME: printf is not intercepted on Windows yet.
// XFAIL: win32
#include <stdio.h>
int main() {
#ifdef _MSC_VER
// FIXME: The test raises a dialog even though it's XFAILd.
return 42;
#endif
volatile char c = '0';
volatile int x = 12;
volatile float f = 1.239;
volatile char s[] = "34";
volatile int n[1];
printf("%c %d %.3f %s%n\n", c, x, f, s, &n[1]);
return 0;
// Check that %n is sanitized.
// CHECK-ON: stack-buffer-overflow
// CHECK-ON-NOT: 0 12 1.239 34
// CHECK-OFF: 0 12 1.239 34
}
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