Fix `mrb_int` and `size_t` combination warnings.

4 files changed, 4 insertions, 4 deletions

diff --git a/include/mruby/debug.h b/include/mruby/debug.h
index f28dd645a..5c5d56924 100644
--- a/include/mruby/debug.h
+++ b/include/mruby/debug.h
@@ -52,7 +52,7 @@ MRB_API const char *mrb_debug_get_filename(mrb_state *mrb, mrb_irep *irep, ptrdi
  * get line from irep's debug info and program counter
  * @return returns -1 if not found
  */
-MRB_API int32_t mrb_debug_get_line(mrb_state *mrb, mrb_irep *irep, ptrdiff_t pc);
+MRB_API int32_t mrb_debug_get_line(mrb_state *mrb, const mrb_irep *irep, size_t pc);
 
 MRB_API mrb_irep_debug_info *mrb_debug_info_alloc(mrb_state *mrb, mrb_irep *irep);
 MRB_API mrb_irep_debug_info_file *mrb_debug_info_append_file(
diff --git a/include/mruby/gc.h b/include/mruby/gc.h
index 1beffba2a..98236a219 100644
--- a/include/mruby/gc.h
+++ b/include/mruby/gc.h
@@ -21,7 +21,7 @@ struct mrb_state;
 #define MRB_EACH_OBJ_BREAK 1
 typedef int (mrb_each_object_callback)(struct mrb_state *mrb, struct RBasic *obj, void *data);
 void mrb_objspace_each_objects(struct mrb_state *mrb, mrb_each_object_callback *callback, void *data);
-mrb_int mrb_objspace_page_slot_size(void);
+size_t mrb_objspace_page_slot_size(void);
 MRB_API void mrb_free_context(struct mrb_state *mrb, struct mrb_context *c);
 
 #ifndef MRB_GC_ARENA_SIZE
diff --git a/include/mruby/hash.h b/include/mruby/hash.h
index 04b265ec3..86fbe329d 100644
--- a/include/mruby/hash.h
+++ b/include/mruby/hash.h
@@ -23,7 +23,7 @@ struct RHash {
 #define mrb_hash_ptr(v)    ((struct RHash*)(mrb_ptr(v)))
 #define mrb_hash_value(p)  mrb_obj_value((void*)(p))
 
-mrb_int mrb_os_memsize_of_hash_table(mrb_value obj);
+size_t mrb_os_memsize_of_hash_table(mrb_value obj);
 MRB_API mrb_value mrb_hash_new_capa(mrb_state *mrb, mrb_int capa);
 MRB_API mrb_value mrb_ensure_hash_type(mrb_state *mrb, mrb_value hash);
 MRB_API mrb_value mrb_check_hash_type(mrb_state *mrb, mrb_value hash);
diff --git a/include/mruby/variable.h b/include/mruby/variable.h
index 5559f6606..6d242b000 100644
--- a/include/mruby/variable.h
+++ b/include/mruby/variable.h
@@ -35,7 +35,7 @@ mrb_value mrb_vm_cv_get(mrb_state*, mrb_sym);
 void mrb_vm_cv_set(mrb_state*, mrb_sym, mrb_value);
 mrb_value mrb_vm_const_get(mrb_state*, mrb_sym);
 void mrb_vm_const_set(mrb_state*, mrb_sym, mrb_value);
-mrb_int mrb_obj_iv_tbl_memsize(mrb_state*, mrb_value);
+size_t mrb_obj_iv_tbl_memsize(mrb_state*, mrb_value);
 MRB_API mrb_value mrb_const_get(mrb_state*, mrb_value, mrb_sym);
 MRB_API void mrb_const_set(mrb_state*, mrb_value, mrb_sym, mrb_value);
 MRB_API mrb_bool mrb_const_defined(mrb_state*, mrb_value, mrb_sym);