Support str 8

Author: seppo0010

lua_cmsgpack.c

@@ -180,6 +180,10 @@ void mp_encode_bytes(mp_buf *buf, const unsigned char *s, size_t len) {
     if (len < 32) {
         hdr[0] = 0xa0 | (len&0xff); /* fix raw */
         hdrlen = 1;
+    } else if (len <= 0xff) {
+        hdr[0] = 0xd9;
+        hdr[1] = len;
+        hdrlen = 2;
     } else if (len <= 0xffff) {
         hdr[0] = 0xda;
         hdr[1] = (len&0xff00)>>8;
@@ -687,6 +691,15 @@ void mp_decode_to_lua_type(lua_State *L, mp_cur *c) {
             mp_cur_consume(c,9);
         }
         break;
+    case 0xd9:  /* raw 8 */
+        mp_cur_need(c,2);
+        {
+            size_t l = c->p[1];
+            mp_cur_need(c,2+l);
+            lua_pushlstring(L,(char*)c->p+2,l);
+            mp_cur_consume(c,2+l);
+        }
+        break;
     case 0xda:  /* raw 16 */
         mp_cur_need(c,3);
         {

test.lua

@@ -378,7 +378,8 @@ test_pack_and_unpack("int8",-64,"d0c0")
 test_pack_and_unpack("int16",-1024,"d1fc00")
 test_pack_and_unpack("int32",-1048576,"d2fff00000")
 test_pack_and_unpack("int64",-1099511627776,"d3ffffff0000000000")
-test_pack_and_unpack("raw16","                                        ","da002820202020202020202020202020202020202020202020202020202020202020202020202020202020")
+test_pack_and_unpack("raw8","                                 ","d921202020202020202020202020202020202020202020202020202020202020202020")
+test_pack_and_unpack("raw16","                                                                                                                                                                                                                                                                 ","da01012020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020")
 test_pack_and_unpack("array 16",{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},"dc001000000000000000000000000000000000")
 
 -- Regression test for issue #4, cyclic references in tables.