cpp test fix

platforms/cpp/main.cpp

@@ -7,9 +7,9 @@ int sum(int a, int b)
     return a + b;
 }
 
-void ext_memcpy(void* dst, const void* arg, int64_t size)
+void * ext_memcpy (void* dst, const void* arg, int32_t size)
 {
-    memcpy(dst, arg, (size_t) size);
+    return memcpy(dst, arg, (size_t) size);
 }
 
 int main(void)

source/m3_bind.c

@@ -8,6 +8,7 @@
 #include "m3_exec.h"
 #include "m3_env.h"
 #include "m3_exception.h"
+#include "m3_info.h"
 
 
 u8  ConvertTypeCharToTypeId (char i_code)
@@ -81,7 +82,9 @@ _   (AllocFuncType (& funcType, (u32) maxNumArgs));
             // M3FuncType doesn't speak 'void'
             if (type == c_m3Type_void)
                 type = c_m3Type_none;
-            
+            if (type == c_m3Type_ptr)
+                type = c_m3Type_i32;
+
             funcType->returnType = type;
         }
         else
@@ -121,7 +124,12 @@ M3Result  ValidateSignature  (IM3Function i_function, ccstr_t i_linkingSignature
 _   (SignatureToFuncType (& ftype, i_linkingSignature));
 
     if (not AreFuncTypesEqual (ftype, i_function->funcType))
+    {
+        m3log (module, "expected: %s", SPrintFuncTypeSignature (ftype));
+        m3log (module, "   found: %s", SPrintFuncTypeSignature (i_function->funcType));
+
         _throw ("function signature mismatch");
+    }
 
     _catch:
     

source/m3_parse.c

@@ -82,7 +82,7 @@ _           (ReadLEB_u7 /* u1 in spec */ (& returnCount, & i_bytes, i_end));
                 i8 returnType;
 _               (ReadLEB_i7 (& returnType, & i_bytes, i_end));
 _               (NormalizeType (& ftype->returnType, returnType));
-            }                                                                       m3log (parse, "    type %2d: %s", i, SPrintFuncTypeSignature (& ftype));
+            }                                                                       m3log (parse, "    type %2d: %s", i, SPrintFuncTypeSignature (ftype));
 
             Environment_AddFuncType (io_module->environment, & ftype);
             io_module->funcTypes [i] = ftype;