From d4519c70915fc454baf4ccd96d5588cd3913b372 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9A=D0=BE=D1=80=D0=B5=D0=BD=D0=B1=D0=B5=D1=80=D0=B3=20?=
 =?UTF-8?q?=D0=9C=D0=B0=D1=80=D0=BA=20=28Dell=20laptop=29?=
 <socketpair@gmail.com>
Date: Thu, 14 Feb 2019 03:02:54 +0500
Subject: [PATCH] Centos 7 compatibility

---
 main.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/main.cpp b/main.cpp
index 08b3470..a9b8007 100644
--- a/main.cpp
+++ b/main.cpp
@@ -6,7 +6,11 @@
 #include <map>
 #include <set>
 #include <string>
+#ifdef YA_PIDOR
+#include <fstream>
+#else
 #include <sys/random.h>
+#endif
 #include <thread>
 #include <vector>
 
@@ -108,6 +112,13 @@ static void print_breakdown(const vector<T> &summary, size_t thread_count,
 
 static void fill_urandom(void *buf_, size_t len) {
   char *buf = static_cast<char *>(buf_);
+
+#ifdef YA_PIDOR
+  ifstream infile;
+  infile.exceptions(ifstream::failbit | ifstream::badbit);
+  infile.open("/dev/urandom", ios::binary | ios::in);
+  infile.read(buf, len);
+#else
   while (len) {
     ssize_t res;
     if ((res = getrandom(buf, len, 0)) == -1)
@@ -116,6 +127,7 @@ static void fill_urandom(void *buf_, size_t len) {
     buf += res;
     len -= res;
   }
+#endif
 }
 
 // May be called in a thread.