--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmd/lstring.h	Sat Sep 01 21:43:27 2007 +0200
@@ -0,0 +1,72 @@
+
+// lstring.h
+// length-prefixed strings
+
+// Copyright (c) 1999-2002 by Digital Mars
+// All Rights Reserved
+// written by Walter Bright
+// www.digitalmars.com
+// License for redistribution is by either the Artistic License
+// in artistic.txt, or the GNU General Public License in gnu.txt.
+// See the included readme.txt for details.
+
+#ifndef LSTRING_H
+#define LSTRING_H 1
+
+#include "dchar.h"
+
+struct Lstring
+{
+    unsigned length;
+
+    // Disable warning about nonstandard extension
+    #pragma warning (disable : 4200)
+    dchar string[];
+
+    static Lstring zero;	// 0 length string
+
+    // No constructors because we want to be able to statically
+    // initialize Lstring's, and Lstrings are of variable size.
+
+    #if M_UNICODE
+    #define LSTRING(p,length) { length, L##p }
+    #else
+    #define LSTRING(p,length) { length, p }
+    #endif
+
+#if __GNUC__
+    #define LSTRING_EMPTY() { 0 }
+#else
+    #define LSTRING_EMPTY() LSTRING("", 0)
+#endif
+
+    static Lstring *ctor(const dchar *p) { return ctor(p, Dchar::len(p)); }
+    static Lstring *ctor(const dchar *p, unsigned length);
+    static unsigned size(unsigned length) { return sizeof(Lstring) + (length + 1) * sizeof(dchar); }
+    static Lstring *alloc(unsigned length);
+    Lstring *clone();
+
+    unsigned len() { return length; }
+
+    dchar *toDchars() { return string; }
+
+    hash_t hash() { return Dchar::calcHash(string, length); }
+    hash_t ihash() { return Dchar::icalcHash(string, length); }
+
+    static int cmp(const Lstring *s1, const Lstring *s2)
+    {
+	int c = s2->length - s1->length;
+	return c ? c : Dchar::memcmp(s1->string, s2->string, s1->length);
+    }
+
+    static int icmp(const Lstring *s1, const Lstring *s2)
+    {
+	int c = s2->length - s1->length;
+	return c ? c : Dchar::memicmp(s1->string, s2->string, s1->length);
+    }
+
+    Lstring *append(const Lstring *s);
+    Lstring *substring(int start, int end);
+};
+
+#endif