implement unpacking of ext 8,16,32

Author: antocuni

msgpack/unpack_define.h

@@ -44,10 +44,9 @@ typedef enum {
     //CS_                = 0x04,
     //CS_                = 0x05,
     //CS_                = 0x06,
-    //CS_                = 0x07,
-
-    //CS_                = 0x08,
-    //CS_                = 0x09,
+    CS_EXT_8             = 0x07,
+    CS_EXT_16            = 0x08,
+    CS_EXT_32            = 0x09,
     CS_FLOAT             = 0x0a,
     CS_DOUBLE            = 0x0b,
     CS_UINT_8            = 0x0c,
@@ -59,11 +58,11 @@ typedef enum {
     CS_INT_32            = 0x12,
     CS_INT_64            = 0x13,
 
-    CS_FIXEXT1           = 0x14,
-    CS_FIXEXT2           = 0x15,
-    CS_FIXEXT4           = 0x16,
-    CS_FIXEXT8           = 0x17,
-    CS_FIXEXT16          = 0x18,
+    //CS_FIXEXT1           = 0x14,
+    //CS_FIXEXT2           = 0x15,
+    //CS_FIXEXT4           = 0x16,
+    //CS_FIXEXT8           = 0x17,
+    //CS_FIXEXT16          = 0x18,
 
     CS_RAW_16            = 0x1a,
     CS_RAW_32            = 0x1b,

msgpack/unpack_template.h

@@ -188,9 +188,12 @@ static inline int unpack_execute(unpack_context* ctx, const char* data, size_t l
                 //case 0xc4:
                 //case 0xc5:
                 //case 0xc6:
-                //case 0xc7:
-                //case 0xc8:
-                //case 0xc9:
+                case 0xc7:  // ext 8
+                    again_fixed_trail(NEXT_CS(p), 1);
+                case 0xc8:  // ext 16
+                    again_fixed_trail(NEXT_CS(p), 2);
+                case 0xc9:  // ext 32
+                    again_fixed_trail(NEXT_CS(p), 4);
                 case 0xca:  // float
                 case 0xcb:  // double
                 case 0xcc:  // unsigned int  8
@@ -242,8 +245,16 @@ static inline int unpack_execute(unpack_context* ctx, const char* data, size_t l
             if((size_t)(pe - p) < trail) { goto _out; }
             n = p;  p += trail - 1;
             switch(cs) {
-            //case CS_
-            //case CS_
+            case CS_EXT_8:
+                again_fixed_trail_if_zero(ACS_EXT_VALUE, *(uint8_t*)n+1, _ext_zero);
+            case CS_EXT_16:
+                again_fixed_trail_if_zero(ACS_EXT_VALUE,
+                                          _msgpack_load16(uint16_t,n)+1,
+                                          _ext_zero);
+            case CS_EXT_32:
+                again_fixed_trail_if_zero(ACS_EXT_VALUE,
+                                          _msgpack_load32(uint32_t,n)+1,
+                                          _ext_zero);
             case CS_FLOAT: {
                     union { uint32_t i; float f; } mem;
                     mem.i = _msgpack_load32(uint32_t,n);