// RUN: %clangxx -O2 %s -o %t && %run %t | |
// UNSUPPORTED: android | |
// | |
#include <sys/types.h> | |
#if !defined(__GLIBC_PREREQ) | |
#define __GLIBC_PREREQ(a, b) 0 | |
#endif | |
#if __GLIBC_PREREQ(2, 25) | |
#include <sys/random.h> | |
#endif | |
int main() { | |
char buf[16]; | |
ssize_t n = 1; | |
#if __GLIBC_PREREQ(2, 25) | |
n = getrandom(buf, sizeof(buf), 0); | |
#endif | |
return (int)(n <= 0); | |
} |