Compatibility with Windows platform.

bench/common.h

@@ -1,4 +1,48 @@
-unsigned long g_result;
+/*
+ * M*LIB - common functions for bench module
+ *
+ * Copyright (c) 2017, Patrick Pelissier
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * + Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * + Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef __COMMON_BENCH__H
+#define __COMMON_BENCH__H
+
+#if defined(_WIN32)
+/* WINDOWS variant */
+#include <windows.h>
+
+static unsigned long long
+cputime (void)
+{
+	LARGE_INTEGER freq, val;
+	QueryPerformanceFrequency(&freq);
+	QueryPerformanceCounter(&val);
+	return (unsigned long long) (1000000. * (double) val.QuadPart / (double) freq.QuadPart);
+}
+
+#else
+/* UNIX variant */
+#include <sys/types.h>
+#include <sys/resource.h>
+#include <sys/time.h>
 
 static unsigned long long
 cputime (void)
@@ -8,7 +52,11 @@ cputime (void)
   return rus.ru_utime.tv_sec * 1000000ULL + rus.ru_utime.tv_usec;
 }
 
-static unsigned int randValue = 0;
+#endif
+
+unsigned long g_result;
+unsigned int randValue = 0;
+
 static void rand_init(void)
 {
   randValue = 0;
@@ -27,7 +75,7 @@ static void test_function(const char str[], size_t n, void (*func)(size_t))
   (*func)(n);
   end = cputime();
   end = (end - start) / 1000U;
-  printf ("%s %Lu ms for n = %lu [r=%lu]\n", str, end, n, g_result);
+  printf ("%s %lu ms for n = %lu [r=%lu]\n", str, (unsigned long) end, (unsigned long) n, g_result);
 }
 
 #if defined(_WIN32)
@@ -63,3 +111,5 @@ static inline int get_cpu_count(void)
   return 1;
 #endif
 }
+
+#endif