Merge pull request #11 from mattn/fix_compiler_warnings

Remove compiler warnings

Author: masuidrive

include/cfunc.h

@@ -58,7 +58,7 @@ static inline struct cfunc_state *
 cfunc_state(mrb_state *mrb, struct RClass* obj)
 {
     if(obj == NULL) {
-        obj = mrb_object(mrb_vm_const_get(mrb, mrb_intern(mrb, "CFunc")));
+        obj = (struct RClass*) mrb_object(mrb_vm_const_get(mrb, mrb_intern(mrb, "CFunc")));
     }
     mrb_value state = mrb_mod_cv_get(mrb, obj, mrb_intern(mrb, "cfunc_state"));
     return (struct cfunc_state *)mrb_voidp(state);

src/cfunc_platform.c

@@ -43,7 +43,6 @@ cfunc_platform_is_macosx(mrb_state *mrb, mrb_value self)
 
 void init_cfunc_platform(mrb_state *mrb, struct RClass* module)
 {
-    struct cfunc_state *state = cfunc_state(mrb, module);
     struct RClass *struct_class = mrb_define_class_under(mrb, module, "Platform", mrb->object_class);
 
     mrb_define_class_method(mrb, struct_class, "is_posix?", cfunc_platform_is_posix, ARGS_NONE());

src/cfunc_rubyvm.c

@@ -359,7 +359,6 @@ cfunc_rubyvm_class_thread(mrb_state *mrb, mrb_value klass)
 {
     // init bindle data with RubyVM object
     struct RClass *c = mrb_class_ptr(klass);
-    struct cfunc_state *state = cfunc_state(mrb, c);
     struct cfunc_rubyvm_data *data = malloc(sizeof(struct cfunc_rubyvm_data));
     mrb_value self = mrb_obj_value((struct RObject *)Data_Wrap_Struct(mrb, c, &cfunc_rubyvm_data_type, data));
 
@@ -394,7 +393,7 @@ init_cfunc_rubyvm(mrb_state *mrb, struct RClass* module)
 
     struct RClass *rubyvm_class = mrb_define_class_under(mrb, module, "RubyVM", mrb->object_class);
     state->rubyvm_class = rubyvm_class;
-    set_cfunc_state(mrb, (struct RObject*)rubyvm_class, state);
+    set_cfunc_state(mrb, rubyvm_class, state);
 
     mrb_define_class_method(mrb, rubyvm_class, "thread", cfunc_rubyvm_class_thread, ARGS_REQ(1));
     mrb_define_method(mrb, rubyvm_class, "dispatch", cfunc_rubyvm_dispatch, ARGS_ANY());

src/cfunc_struct.c

@@ -83,7 +83,7 @@ init_cfunc_struct(mrb_state *mrb, struct RClass* module)
 {
     struct cfunc_state *state = cfunc_state(mrb, module);
     struct RClass *struct_class = mrb_define_class_under(mrb, module, "Struct", mrb->object_class);
-    set_cfunc_state(mrb, (struct RObject*)struct_class, state);
+    set_cfunc_state(mrb, struct_class, state);
     state->struct_class = struct_class;
 
     mrb_define_class_method(mrb, struct_class, "define_struct", cfunc_struct_define_struct, ARGS_REQ(1));

src/cfunc_type.c

@@ -301,7 +301,6 @@ cfunc_uint64_class_get(mrb_state *mrb, mrb_value klass)
     mrb_value pointer;
     mrb_get_args(mrb, "o", &pointer);
 
-    struct mrb_ffi_type *mft = rclass_to_mrb_ffi_type(mrb, mrb_class_ptr(klass));
     uint64_t uint64 = *(uint64_t*)cfunc_pointer_ptr(pointer);
 
     if(uint64 > UINT32_MAX) {
@@ -387,7 +386,6 @@ cfunc_sint64_class_get(mrb_state *mrb, mrb_value klass)
     mrb_value pointer;
     mrb_get_args(mrb, "o", &pointer);
 
-    struct mrb_ffi_type *mft = rclass_to_mrb_ffi_type(mrb, mrb_class_ptr(klass));
     int64_t sint64 = *(int64_t*)cfunc_pointer_ptr(pointer);
 
     if(sint64 > INT32_MAX || sint64 < INT32_MIN) {
@@ -577,7 +575,7 @@ void init_cfunc_type(mrb_state *mrb, struct RClass* module)
     struct RClass *type_class = mrb_define_class_under(mrb, module, "Type", mrb->object_class);
     MRB_SET_INSTANCE_TT(type_class, MRB_TT_DATA);
     state->type_class = type_class;
-    set_cfunc_state(mrb, (struct RObject*)type_class, state);
+    set_cfunc_state(mrb, type_class, state);
 
     int ai = mrb_gc_arena_save(mrb);
     mrb_define_class_method(mrb, type_class, "refer", cfunc_type_class_refer, ARGS_REQ(1));

src/vector.c

@@ -70,7 +70,6 @@ vector_p create_vector(){
 vector_p subvector(vector_p vec, int start, int end){
 	vector_p subvec = create_vector();
 	int i;
-	void * val;
 	for(i=start; i<end; i++){
 		vector_add(subvec, vec->data[i]);
 	}
@@ -133,7 +132,6 @@ void vector_remove(vector_p vec, size_t i){
 
 int vector_index(vector_p vec, void* data){
 	int x;
-	void* check;
 	for(x=0;x<vec->length;++x){
 		if(vec->data[x] == data){
 			return x;