--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmd2/root/port.h	Sat May 30 17:23:32 2009 +0100
@@ -0,0 +1,78 @@
+
+// Copyright (c) 1999-2009 by Digital Mars
+// All Rights Reserved
+// written by Walter Bright
+// http://www.digitalmars.com
+
+#ifndef PORT_H
+#define PORT_H
+
+// Portable wrapper around compiler/system specific things.
+// The idea is to minimize #ifdef's in the app code.
+
+#ifndef TYPEDEFS
+#define TYPEDEFS
+
+#include <wchar.h>
+
+#if _MSC_VER
+typedef __int64 longlong;
+typedef unsigned __int64 ulonglong;
+
+// According to VC 8.0 docs, long double is the same as double
+#define strtold strtod
+#define strtof  strtod
+
+#else
+typedef long long longlong;
+typedef unsigned long long ulonglong;
+#endif
+
+#endif
+
+typedef double d_time;
+
+struct Port
+{
+    static double nan;
+    static double infinity;
+    static double dbl_max;
+    static double dbl_min;
+    static long double ldbl_max;
+
+#if __GNUC__
+    // These conflict with macros in math.h, should rename them
+    #undef isnan
+    #undef isfinite
+    #undef isinfinity
+    #undef signbit
+#endif
+    static int isNan(double);
+    static int isNan(long double);
+
+    static int isSignallingNan(double);
+    static int isSignallingNan(long double);
+
+    static int isFinite(double);
+    static int isInfinity(double);
+    static int Signbit(double);
+
+    static double floor(double);
+    static double pow(double x, double y);
+
+    static ulonglong strtoull(const char *p, char **pend, int base);
+
+    static char *ull_to_string(char *buffer, ulonglong ull);
+    static wchar_t *ull_to_string(wchar_t *buffer, ulonglong ull);
+
+    // Convert ulonglong to double
+    static double ull_to_double(ulonglong ull);
+
+    // Get locale-dependent list separator
+    static const char *list_separator();
+    static const wchar_t *wlist_separator();
+
+    static char *strupr(char *);
+};
+
+#endif