From: Amos Jeffries <squid3@treenet.co.nz>
Date: Sun, 8 Feb 2015 06:26:06 +0000 (-0800)
Subject: Replace UFS use of random with C++11 feature
X-Git-Tag: merge-candidate-3-v1~109^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c03adf02c521649b9ac5f007bdb7d50078a4e723;p=thirdparty%2Fsquid.git

Replace UFS use of random with C++11 feature
---

diff --git a/src/fs/ufs/UFSSwapDir.cc b/src/fs/ufs/UFSSwapDir.cc
index d9fa01fc96..75db77f99b 100644
--- a/src/fs/ufs/UFSSwapDir.cc
+++ b/src/fs/ufs/UFSSwapDir.cc
@@ -33,6 +33,7 @@
 
 #include <cerrno>
 #include <cmath>
+#include <random>
 #if HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
@@ -1042,7 +1043,9 @@ Fs::Ufs::UFSSwapDir::CleanEvent(void *)
          * value.  j equals the total number of UFS level 2
          * swap directories
          */
-        swap_index = (int) (squid_random() % j);
+        std::mt19937 mt(static_cast<uint32_t>(getCurrentTime() & 0xFFFFFFFF));
+        std::uniform_int_distribution<> dist(0, j);
+        swap_index = dist(mt);
     }
 
     /* if the rebuild is finished, start cleaning directories. */