1 files changed, 36 insertions, 0 deletions

diff --git a/tools/tool.h b/tools/tool.h
index 47155c2..c6fafbc 100644
--- a/tools/tool.h
+++ b/tools/tool.h
@@ -22,6 +22,40 @@ log_stderr(const char *str, void *unused)
         fprintf(stderr, "%s", str);
 }
 
+#ifdef _WIN32
+
+#include <windows.h>
+
+static double
+timerun(void (*run)(void))
+{
+        LARGE_INTEGER freq, start, end;
+        double tdiff;
+        
+        fflush(stdout);
+        
+        if (run == NULL) {
+                printf("nothing to run!\n");
+                fflush(stdout);
+                return -1.0;
+        }
+
+        QueryPerformanceFrequency(&freq);
+        QueryPerformanceCounter(&start);
+        run();
+        QueryPerformanceCounter(&end);
+        
+        tdiff = (double)(end.QuadPart - start.QuadPart) / freq.QuadPart;
+
+        printf("---------\n");
+        printf("\nTotal time: %.4fs\n", tdiff);
+        fflush(stdout);
+
+        return tdiff;
+}
+
+#else
+
 static double
 timerun(void (*run)(void))
 {
@@ -51,6 +85,8 @@ timerun(void (*run)(void))
         return tdiff;
 }
 
+#endif
+
 static void
 writetable(const unsigned char *buf, int64_t size, const char *filename)
 {