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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: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
// FIXME: sprintf is not intercepted on Windows yet.
// XFAIL: win32
#include <stdio.h>
int main() {
volatile char c = '0';
volatile int x = 12;
volatile float f = 1.239;
volatile char s[] = "34";
volatile char buf[2];
fputs("before sprintf\n", stderr);
sprintf((char *)buf, "%c %d %.3f %s\n", c, x, f, s);
fputs("after sprintf", stderr);
fputs((const char *)buf, stderr);
return 0;
// Check that size of output buffer is sanitized.
// CHECK-ON: before sprintf
// CHECK-ON-NOT: after sprintf
// CHECK-ON: stack-buffer-overflow
// CHECK-ON-NOT: 0 12 1.239 34
}
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