forked from OSchip/llvm-project
72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
|
|
//
|
|
// UNSUPPORTED: linux, solaris
|
|
|
|
#include <cstdlib>
|
|
#include <ctime>
|
|
#include <cstdio>
|
|
#include <inttypes.h>
|
|
|
|
void print_buf(unsigned char *buf, size_t buflen) {
|
|
printf("buf '");
|
|
for (auto i = 0; i < buflen; i ++)
|
|
printf("%" PRIx8, buf[i]);
|
|
printf("'\n");
|
|
}
|
|
|
|
void test_seed() {
|
|
#ifdef __NetBSD__
|
|
time_t now = ::time(nullptr);
|
|
arc4random_addrandom((unsigned char *)&now, sizeof(now));
|
|
#endif
|
|
}
|
|
|
|
void test_arc4random() {
|
|
printf("test_arc4random\n");
|
|
auto i = arc4random();
|
|
print_buf((unsigned char *)&i, sizeof(i));
|
|
}
|
|
|
|
void test_arc4random_uniform() {
|
|
printf("test_arc4random_uniform\n");
|
|
auto i = arc4random_uniform(1024);
|
|
print_buf((unsigned char *)&i, sizeof(i));
|
|
}
|
|
|
|
void test_arc4random_buf10() {
|
|
printf("test_arc4random_buf10\n");
|
|
char buf[10];
|
|
#ifdef __NetBSD__
|
|
arc4random_stir();
|
|
#endif
|
|
arc4random_buf(buf, sizeof(buf));
|
|
print_buf((unsigned char *)buf, sizeof(buf));
|
|
}
|
|
|
|
void test_arc4random_buf256() {
|
|
printf("test_arc4random_buf256\n");
|
|
char buf[256];
|
|
#ifdef __NetBSD__
|
|
arc4random_stir();
|
|
#endif
|
|
arc4random_buf(buf, sizeof(buf));
|
|
print_buf((unsigned char *)buf, sizeof(buf));
|
|
}
|
|
|
|
int main(void) {
|
|
test_seed();
|
|
test_arc4random();
|
|
test_arc4random_uniform();
|
|
test_arc4random_buf10();
|
|
test_arc4random_buf256();
|
|
return 0;
|
|
// CHECK: test_arc4random
|
|
// CHECK: buf '{{.*}}'
|
|
// CHECK: test_arc4random_uniform
|
|
// CHECK: buf '{{.*}}'
|
|
// CHECK: test_arc4random_buf10
|
|
// CHECK: buf '{{.*}}'
|
|
// CHECK: test_arc4random_buf256
|
|
// CHECK: buf '{{.*}}'
|
|
}
|