refactor cast

Author: hasumikin

mrbgems/picoruby-mbedtls/src/mruby/cipher.c

@@ -204,7 +204,7 @@ mrb_mbedtls_cipher_update(mrb_state *mrb, mrb_value self)
   if (ret != 0) {
     mrb_raise(mrb, E_RUNTIME_ERROR, "mbedtls_cipher_update failed");
   }
-  mrb_value ret_value = mrb_str_new(mrb, (const char *)output, out_len);
+  mrb_value ret_value = mrb_str_new(mrb, (const char *)output, (mrb_int)out_len);
   mrb_free(mrb, output);
   //mrb_incref(&v[0]);
   return ret_value;
@@ -224,7 +224,7 @@ mrb_mbedtls_cipher_finish(mrb_state *mrb, mrb_value self)
   if (ret != 0) {
     mrb_raise(mrb, E_RUNTIME_ERROR, "mbedtls_cipher_finish failed");
   }
-  mrb_value ret_value = mrb_str_new(mrb, (const char *)output, out_len);
+  mrb_value ret_value = mrb_str_new(mrb, (const char *)output, (mrb_int)out_len);
   //mrb_incref(&v[0]);
   return ret_value;
 }
@@ -244,7 +244,7 @@ mrb_mbedtls_cipher_write_tag(mrb_state *mrb, mrb_value self)
     mrb_raise(mrb, E_RUNTIME_ERROR, "mbedtls_cipher_write_tag failed");
   }
 
-  mrb_value ret_value = mrb_str_new(mrb, (const char *)tag, tag_len);
+  mrb_value ret_value = mrb_str_new(mrb, (const char *)tag, (mrb_int)tag_len);
   //mrb_incref(&v[0]);
   return ret_value;
 }

mrbgems/picoruby-mbedtls/src/mruby/digest.c

@@ -69,7 +69,7 @@ mrb_mbedtls_digest_finish(mrb_state *mrb, mrb_value self)
   if (ret != 0) {
     mrb_raise(mrb, E_RUNTIME_ERROR, "mbedtls_digest_finish failed");
   }
-  mrb_value ret_value = mrb_str_new(mrb, (const char *)output, out_len);
+  mrb_value ret_value = mrb_str_new(mrb, (const char *)output, (mrb_int)out_len);
   mrb_free(mrb, output);
   //mrb_incref(&v[0]);
   return ret_value;

mrbgems/picoruby-mbedtls/src/mruby/pkey.c

@@ -169,7 +169,7 @@ mrb_mbedtls_pkey_rsa_to_pem(mrb_state *mrb, mrb_value self)
   mbedtls_rsa_context *rsa = mbedtls_pk_rsa(*pk);
   bool has_private = (mbedtls_rsa_check_privkey(rsa) == 0);
 
-  size_t len = 0;
+  mrb_int len = 0;
   if (has_private) {
     ret = mbedtls_pk_write_key_pem(pk, buf, sizeof(buf));
   } else {