Various fix/improvement to samples:

- Adding gitignore
- Added a sample GNU Makefile for linux compilation
- Fixed infinite loop on hexa/octal numbers in d2html.d
- Fixed 64 bits issues (int used) on listener.d and htmlget.d
TODO: Fix d2html.d to support the '$' token

samples/.gitignore

@@ -0,0 +1,16 @@
+*.d.htm
+*.exe
+chello
+dclient
+dserver
+d2html
+dhry
+hello
+htmlget
+listener
+pi
+sieve
+wc
+wc2
+winsamp
+

samples/Makefile

@@ -0,0 +1,108 @@
+##
+# Example Makefile for the D programming language
+##
+TARGETS= \
+	d2html \
+	dhry \
+	hello \
+	htmlget \
+	listener \
+	pi \
+	sieve \
+	wc \
+	wc2
+
+## Those examples are Windows specific:
+#	chello
+#	dserver
+#	dclient
+#	winsamp
+
+SRC	= \
+	chello.d \
+	d2html.d \
+	dclient.d \
+	dhry.d \
+	dserver.d \
+	hello.d	\
+	htmlget.d \
+	listener.d \
+	pi.d \
+	sieve.d	\
+	wc.d \
+	wc2.d \
+	winsamp.d
+DFLAGS	=
+LFLAGS	=
+
+
+##
+## Those values are immutables
+## For languages such as C and C++, builtin rules are provided.
+## But for D, you had to had to do everything by hand.
+## Basically, if you had some Makefile knowledge, this is all you need.
+##
+## For explanation / more advanced use, see:
+## http://www.gnu.org/software/make/manual/html_node/Suffix-Rules.html
+.SUFFIXES: .d
+.d.o:
+	$(DMD) $(DFLAGS) -c $< -of$@
+##
+
+LINK	= dmd
+DMD	= dmd
+RM	= rm -rf
+OBJS	= $(SRC:.d=.o)
+
+all:	$(TARGETS)
+
+clean:
+	$(RM) $(OBJS)
+
+fclean: clean
+	$(RM) $(TARGETS)
+	$(RM) *.d.htm
+
+re: fclean all
+
+chello: $(OBJS)
+	$(LINK) $(LFLAGS) $(OBJS) -of$@
+
+.PHONY: all clean fclean re
+.NOTPARALLEL: clean
+
+d2html: d2html.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+dclient: dclient.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+dhry: dhry.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+dserver: dserver.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+hello: hello.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+htmlget: htmlget.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+listener: listener.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+pi:	pi.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+sieve:	sieve.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+wc2:	wc2.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+wc:	wc.o
+	$(LINK) $(LFLAGS) $< -of$@
+
+winsamp: winsamp.o
+	$(LINK) $(LFLAGS) $< -of$@

samples/d2html.d

@@ -176,8 +176,10 @@ int main(string[] args)
                     dst.write(c);
                     src.read(c);
 
-                    while (ishexdigit(c))
-                        dst.write(c);
+                    while (ishexdigit(c)) {
+		      dst.write(c);
+		      src.read(c);
+		    }
 
                     // TODO: add support for hexadecimal floats
                 }
@@ -186,8 +188,10 @@ int main(string[] args)
                     dst.write(c);
                     src.read(c);
 
-                    while (c == '0' || c == '1')
-                        dst.write(c);
+                    while (c == '0' || c == '1') {
+		      dst.write(c);
+		      src.read(c);
+		    }
                 }
                 else                    // octal
                 {
@@ -384,7 +388,7 @@ int main(string[] args)
             }
             else
                 // whatever it is, it's not a valid D token
-                throw new Error("unrecognized token");
+                throw new Error("unrecognized token " ~ c);
                 //~ break;
         }
     }

samples/htmlget.d

@@ -21,9 +21,7 @@ int main(string[] args)
     }
 
     string url = args[1];
-    int i;
-
-    i = indexOf(url, "://");
+    auto i = indexOf(url, "://");
 
     if (i != -1)
     {

samples/listener.d

@@ -50,7 +50,7 @@ next:
             if (sset.isSet(reads[i]))
             {
                 char[1024] buf;
-                int read = reads[i].receive(buf);
+                auto read = reads[i].receive(buf);
 
                 if (Socket.ERROR == read)
                 {