From: Bruce Cran <bruce.cran@gmail.com>
Date: Fri, 22 Jan 2016 17:54:47 +0000 (-0700)
Subject: Fix Windows build: define rand_r()
X-Git-Tag: fio-2.6~5
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=ab917e33e8c0353e2e17b0340e7193e7df6591b0;ds=sidebyside

Fix Windows build: define rand_r()
---

diff --git a/os/os-windows.h b/os/os-windows.h
index 159c086a..d0495316 100644
--- a/os/os-windows.h
+++ b/os/os-windows.h
@@ -20,6 +20,11 @@
 
 #include "windows/posix.h"
 
+/* Cygwin doesn't define rand_r if C99 or newer is being used */
+#if defined(WIN32) && !defined(rand_r)
+int rand_r(unsigned *);
+#endif
+
 #ifndef PTHREAD_STACK_MIN
 #define PTHREAD_STACK_MIN 65535
 #endif