Add custom and dedicated error for splitted items

Author: pennam

src/cbor/lib/tinycbor/cbor-lib.h

@@ -27,7 +27,7 @@
       CborError error = CborNoError;      \
       error = (expr);                     \
       if (CborErrorOutOfMemory == error)  \
-        return CborErrorTooManyItems;     \
+        return CborErrorSplitItems;     \
       if (CborNoError != error)           \
         return error;                     \
     } while(0);

src/cbor/lib/tinycbor/src/cbor.h

@@ -189,6 +189,7 @@ typedef enum CborError {
     /* encoder errors */
     CborErrorTooManyItems = 768,
     CborErrorTooFewItems,
+    CborErrorSplitItems,
 
     /* internal implementation errors */
     CborErrorDataTooLarge = 1024,

src/cbor/lib/tinycbor/src/cborerrorstrings.c

@@ -163,6 +163,9 @@ const char *cbor_error_string(CborError error)
     case CborErrorTooFewItems:
         return _("too few items added to encoder");
 
+    case CborErrorSplitItems:
+        return _("splitted item added to encoder");
+
     case CborErrorDataTooLarge:
         return _("internal error: data too large");