0c58dfa Add RIOT Makefile
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f90baa1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+MODULE:=$(shell basename $(CURDIR))
+INCLUDES += -I$(RIOTBASE) -I$(RIOTBASE)/sys/include -I$(RIOTBASE)/core/include
+CFLAGS += -DWITH_POSIX
+
+include $(RIOTBASE)/Makefile.base

[martin@beutlin libcoap]<3 cat pla. 
31a9bc1 Eliminate some compiler warnings and errors
diff --git a/address.h b/address.h
index 403240e..0e715f1 100644
--- a/address.h
+++ b/address.h
@@ -106,6 +106,10 @@ _coap_address_equals_impl(const coap_address_t *a,
  return 0;
 }

+#ifndef IN_MULTICAST
+#define IN_MULTICAST(a) (1)
+#endif
+
 static inline int
 _coap_is_mcast_impl(const coap_address_t *a) {
   if (!a)
diff --git a/net.c b/net.c
index e90d49a..f4b3b67 100644
--- a/net.c
+++ b/net.c
@@ -45,6 +45,10 @@
 #include "block.h"
 #include "net.h"

+#ifndef UINT_MAX
+#define UINT_MAX    ((2 << sizeof (unsigned)) - 1)
+#endif
+
 #if defined(WITH_POSIX)

 time_t clock_offset;
diff --git a/net.h b/net.h
index f9afd48..59c7d59 100644
--- a/net.h
+++ b/net.h
@@ -132,7 +132,7 @@ typedef struct coap_context_t {
    * random value. A new message id can be created with
    * coap_new_message_id().
    */ 
-  unsigned short message_id;
+  uint16_t message_id;

   /**
    * The next value to be used for Observe. This field is global for
@@ -196,9 +196,11 @@ coap_context_t *coap_new_context(const coap_address_t *listen_addr);
 static inline unsigned short 
 coap_new_message_id(coap_context_t *context) {
 #ifndef WITH_CONTIKI
-  return htons(++(context->message_id));
+    context->message_id += 1;
+    return htons(context->message_id);
 #else /* WITH_CONTIKI */
-  return uip_htons(++context->message_id);
+    context->message_id += 1;
+    return uip_htons(context->message_id);
 #endif
 }