Use functions that take symbols to reduce string litrals in C.

14 files changed, 68 insertions, 68 deletions

diff --git a/mrbgems/mruby-complex/src/complex.c b/mrbgems/mruby-complex/src/complex.c
index 0432da633..24dad4235 100644
--- a/mrbgems/mruby-complex/src/complex.c
+++ b/mrbgems/mruby-complex/src/complex.c
@@ -69,7 +69,7 @@ complex_ptr(mrb_state *mrb, mrb_value v)
 static mrb_value
 complex_new(mrb_state *mrb, mrb_float real, mrb_float imaginary)
 {
-  struct RClass *c = mrb_class_get(mrb, "Complex");
+  struct RClass *c = mrb_class_get_id(mrb, MRB_SYM(Complex));
   struct mrb_complex *p;
   struct RBasic *comp = complex_alloc(mrb, c, &p);
   p->real = real;
@@ -224,7 +224,7 @@ void mrb_mruby_complex_gem_init(mrb_state *mrb)
 #ifdef COMPLEX_USE_ISTRUCT
   mrb_assert(sizeof(struct mrb_complex) < ISTRUCT_DATA_SIZE);
 #endif
-  comp = mrb_define_class(mrb, "Complex", mrb_class_get(mrb, "Numeric"));
+  comp = mrb_define_class(mrb, "Complex", mrb_class_get_id(mrb, MRB_SYM(Numeric)));
 #ifdef COMPLEX_USE_ISTRUCT
   MRB_SET_INSTANCE_TT(comp, MRB_TT_ISTRUCT);
 #else
diff --git a/mrbgems/mruby-eval/src/eval.c b/mrbgems/mruby-eval/src/eval.c
index af6837b81..4271954e5 100644
--- a/mrbgems/mruby-eval/src/eval.c
+++ b/mrbgems/mruby-eval/src/eval.c
@@ -179,7 +179,7 @@ void
 mrb_mruby_eval_gem_init(mrb_state* mrb)
 {
   mrb_define_module_function(mrb, mrb->kernel_module, "eval", f_eval, MRB_ARGS_ARG(1, 3));
-  mrb_define_method(mrb, mrb_class_get(mrb, "BasicObject"), "instance_eval", f_instance_eval, MRB_ARGS_OPT(3)|MRB_ARGS_BLOCK());
+  mrb_define_method(mrb, mrb_class_get_id(mrb, MRB_SYM(BasicObject)), "instance_eval", f_instance_eval, MRB_ARGS_OPT(3)|MRB_ARGS_BLOCK());
 }
 
 void
diff --git a/mrbgems/mruby-io/src/file.c b/mrbgems/mruby-io/src/file.c
index 53ed4b69d..04dece910 100644
--- a/mrbgems/mruby-io/src/file.c
+++ b/mrbgems/mruby-io/src/file.c
@@ -614,36 +614,36 @@ mrb_init_file(mrb_state *mrb)
   mrb_define_method(mrb, file, "size", mrb_file_size, MRB_ARGS_NONE());
   mrb_define_method(mrb, file, "truncate", mrb_file_truncate, MRB_ARGS_REQ(1));
 
-  cnst = mrb_define_module_under(mrb, file, "Constants");
-  mrb_define_const(mrb, cnst, "LOCK_SH", mrb_fixnum_value(LOCK_SH));
-  mrb_define_const(mrb, cnst, "LOCK_EX", mrb_fixnum_value(LOCK_EX));
-  mrb_define_const(mrb, cnst, "LOCK_UN", mrb_fixnum_value(LOCK_UN));
-  mrb_define_const(mrb, cnst, "LOCK_NB", mrb_fixnum_value(LOCK_NB));
-  mrb_define_const(mrb, cnst, "SEPARATOR", mrb_str_new_cstr(mrb, FILE_SEPARATOR));
-  mrb_define_const(mrb, cnst, "PATH_SEPARATOR", mrb_str_new_cstr(mrb, PATH_SEPARATOR));
+  cnst = mrb_define_module_under_id(mrb, file, MRB_SYM(Constants));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(LOCK_SH), mrb_fixnum_value(LOCK_SH));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(LOCK_EX), mrb_fixnum_value(LOCK_EX));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(LOCK_UN), mrb_fixnum_value(LOCK_UN));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(LOCK_NB), mrb_fixnum_value(LOCK_NB));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(SEPARATOR), mrb_str_new_cstr(mrb, FILE_SEPARATOR));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(PATH_SEPARATOR), mrb_str_new_cstr(mrb, PATH_SEPARATOR));
 #if defined(_WIN32) || defined(_WIN64)
-  mrb_define_const(mrb, cnst, "ALT_SEPARATOR", mrb_str_new_cstr(mrb, FILE_ALT_SEPARATOR));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(ALT_SEPARATOR), mrb_str_new_cstr(mrb, FILE_ALT_SEPARATOR));
 #else
-  mrb_define_const(mrb, cnst, "ALT_SEPARATOR", mrb_nil_value());
+  mrb_define_const_id(mrb, cnst, MRB_SYM(ALT_SEPARATOR), mrb_nil_value());
 #endif
-  mrb_define_const(mrb, cnst, "NULL", mrb_str_new_cstr(mrb, NULL_FILE));
-
-  mrb_define_const(mrb, cnst, "RDONLY", mrb_fixnum_value(MRB_O_RDONLY));
-  mrb_define_const(mrb, cnst, "WRONLY", mrb_fixnum_value(MRB_O_WRONLY));
-  mrb_define_const(mrb, cnst, "RDWR", mrb_fixnum_value(MRB_O_RDWR));
-  mrb_define_const(mrb, cnst, "APPEND", mrb_fixnum_value(MRB_O_APPEND));
-  mrb_define_const(mrb, cnst, "CREAT", mrb_fixnum_value(MRB_O_CREAT));
-  mrb_define_const(mrb, cnst, "EXCL", mrb_fixnum_value(MRB_O_EXCL));
-  mrb_define_const(mrb, cnst, "TRUNC", mrb_fixnum_value(MRB_O_TRUNC));
-  mrb_define_const(mrb, cnst, "NONBLOCK", mrb_fixnum_value(MRB_O_NONBLOCK));
-  mrb_define_const(mrb, cnst, "NOCTTY", mrb_fixnum_value(MRB_O_NOCTTY));
-  mrb_define_const(mrb, cnst, "BINARY", mrb_fixnum_value(MRB_O_BINARY));
-  mrb_define_const(mrb, cnst, "SHARE_DELETE", mrb_fixnum_value(MRB_O_SHARE_DELETE));
-  mrb_define_const(mrb, cnst, "SYNC", mrb_fixnum_value(MRB_O_SYNC));
-  mrb_define_const(mrb, cnst, "DSYNC", mrb_fixnum_value(MRB_O_DSYNC));
-  mrb_define_const(mrb, cnst, "RSYNC", mrb_fixnum_value(MRB_O_RSYNC));
-  mrb_define_const(mrb, cnst, "NOFOLLOW", mrb_fixnum_value(MRB_O_NOFOLLOW));
-  mrb_define_const(mrb, cnst, "NOATIME", mrb_fixnum_value(MRB_O_NOATIME));
-  mrb_define_const(mrb, cnst, "DIRECT", mrb_fixnum_value(MRB_O_DIRECT));
-  mrb_define_const(mrb, cnst, "TMPFILE", mrb_fixnum_value(MRB_O_TMPFILE));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(NULL), mrb_str_new_cstr(mrb, NULL_FILE));
+
+  mrb_define_const_id(mrb, cnst, MRB_SYM(RDONLY), mrb_fixnum_value(MRB_O_RDONLY));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(WRONLY), mrb_fixnum_value(MRB_O_WRONLY));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(RDWR), mrb_fixnum_value(MRB_O_RDWR));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(APPEND), mrb_fixnum_value(MRB_O_APPEND));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(CREAT), mrb_fixnum_value(MRB_O_CREAT));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(EXCL), mrb_fixnum_value(MRB_O_EXCL));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(TRUNC), mrb_fixnum_value(MRB_O_TRUNC));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(NONBLOCK), mrb_fixnum_value(MRB_O_NONBLOCK));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(NOCTTY), mrb_fixnum_value(MRB_O_NOCTTY));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(BINARY), mrb_fixnum_value(MRB_O_BINARY));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(SHARE_DELETE), mrb_fixnum_value(MRB_O_SHARE_DELETE));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(SYNC), mrb_fixnum_value(MRB_O_SYNC));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(DSYNC), mrb_fixnum_value(MRB_O_DSYNC));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(RSYNC), mrb_fixnum_value(MRB_O_RSYNC));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(NOFOLLOW), mrb_fixnum_value(MRB_O_NOFOLLOW));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(NOATIME), mrb_fixnum_value(MRB_O_NOATIME));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(DIRECT), mrb_fixnum_value(MRB_O_DIRECT));
+  mrb_define_const_id(mrb, cnst, MRB_SYM(TMPFILE), mrb_fixnum_value(MRB_O_TMPFILE));
 }
diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c
index 608fc1623..988d19b02 100644
--- a/mrbgems/mruby-io/src/io.c
+++ b/mrbgems/mruby-io/src/io.c
@@ -102,10 +102,10 @@ io_set_process_status(mrb_state *mrb, pid_t pid, int status)
   mrb_value v;
 
   c_status = NULL;
-  if (mrb_class_defined(mrb, "Process")) {
-    c_process = mrb_module_get(mrb, "Process");
-    if (mrb_const_defined(mrb, mrb_obj_value(c_process), mrb_intern_cstr(mrb, "Status"))) {
-      c_status = mrb_class_get_under(mrb, c_process, "Status");
+  if (mrb_class_defined_id(mrb, MRB_SYM(Process))) {
+    c_process = mrb_module_get_id(mrb, MRB_SYM(Process));
+    if (mrb_const_defined(mrb, mrb_obj_value(c_process), MRB_SYM(Status))) {
+      c_status = mrb_class_get_under_id(mrb, c_process, MRB_SYM(Status));
     }
   }
   if (c_status != NULL) {
diff --git a/mrbgems/mruby-math/src/math.c b/mrbgems/mruby-math/src/math.c
index 88b33771b..ff1e84684 100644
--- a/mrbgems/mruby-math/src/math.c
+++ b/mrbgems/mruby-math/src/math.c
@@ -16,8 +16,8 @@
 static void
 domain_error(mrb_state *mrb, const char *func)
 {
-  struct RClass *math = mrb_module_get(mrb, "Math");
-  struct RClass *domainerror = mrb_class_get_under(mrb, math, "DomainError");
+  struct RClass *math = mrb_module_get_id(mrb, MRB_SYM(Math));
+  struct RClass *domainerror = mrb_class_get_under_id(mrb, math, MRB_SYM(DomainError));
   mrb_raisef(mrb, domainerror, "Numerical argument is out of domain - %s", func);
 }
 
@@ -730,18 +730,18 @@ mrb_mruby_math_gem_init(mrb_state* mrb)
   struct RClass *mrb_math;
   mrb_math = mrb_define_module(mrb, "Math");
 
-  mrb_define_class_under(mrb, mrb_math, "DomainError", mrb->eStandardError_class);
+  mrb_define_class_under_id(mrb, mrb_math, MRB_SYM(DomainError), mrb->eStandardError_class);
 
 #ifdef M_PI
-  mrb_define_const(mrb, mrb_math, "PI", mrb_float_value(mrb, M_PI));
+  mrb_define_const_id(mrb, mrb_math, MRB_SYM(PI), mrb_float_value(mrb, M_PI));
 #else
-  mrb_define_const(mrb, mrb_math, "PI", mrb_float_value(mrb, atan(1.0)*4.0));
+  mrb_define_const_id(mrb, mrb_math, MRB_SYM(PI), mrb_float_value(mrb, atan(1.0)*4.0));
 #endif
 
 #ifdef M_E
-  mrb_define_const(mrb, mrb_math, "E", mrb_float_value(mrb, M_E));
+  mrb_define_const_id(mrb, mrb_math, MRB_SYM(E), mrb_float_value(mrb, M_E));
 #else
-  mrb_define_const(mrb, mrb_math, "E", mrb_float_value(mrb, exp(1.0)));
+  mrb_define_const_id(mrb, mrb_math, MRB_SYM(E), mrb_float_value(mrb, exp(1.0)));
 #endif
 
   mrb_define_module_function(mrb, mrb_math, "sin", math_sin, MRB_ARGS_REQ(1));
diff --git a/mrbgems/mruby-method/src/method.c b/mrbgems/mruby-method/src/method.c
index d7df381ea..c6de6a7bd 100644
--- a/mrbgems/mruby-method/src/method.c
+++ b/mrbgems/mruby-method/src/method.c
@@ -36,7 +36,7 @@ unbound_method_bind(mrb_state *mrb, mrb_value self)
   mrb_value recv = mrb_get_arg1(mrb);
 
   bind_check(mrb, recv, owner);
-  me = method_object_alloc(mrb, mrb_class_get(mrb, "Method"));
+  me = method_object_alloc(mrb, mrb_class_get_id(mrb, MRB_SYM(Method)));
   mrb_obj_iv_set(mrb, me, MRB_SYM(_owner), owner);
   mrb_obj_iv_set(mrb, me, MRB_SYM(_recv), recv);
   mrb_obj_iv_set(mrb, me, MRB_SYM(_name), name);
diff --git a/mrbgems/mruby-numeric-ext/src/numeric_ext.c b/mrbgems/mruby-numeric-ext/src/numeric_ext.c
index f8aff54bc..fd7072ccd 100644
--- a/mrbgems/mruby-numeric-ext/src/numeric_ext.c
+++ b/mrbgems/mruby-numeric-ext/src/numeric_ext.c
@@ -60,16 +60,16 @@ mrb_mruby_numeric_ext_gem_init(mrb_state* mrb)
   mrb_define_method(mrb, i, "nobits?", mrb_int_nobits, MRB_ARGS_REQ(1));
 
 #ifndef MRB_WITHOUT_FLOAT
-  mrb_define_const(mrb, mrb->float_class, "RADIX",        mrb_fixnum_value(MRB_FLT_RADIX));
-  mrb_define_const(mrb, mrb->float_class, "MANT_DIG",     mrb_fixnum_value(MRB_FLT_MANT_DIG));
-  mrb_define_const(mrb, mrb->float_class, "EPSILON",      mrb_float_value(mrb, MRB_FLT_EPSILON));
-  mrb_define_const(mrb, mrb->float_class, "DIG",          mrb_fixnum_value(MRB_FLT_DIG));
-  mrb_define_const(mrb, mrb->float_class, "MIN_EXP",      mrb_fixnum_value(MRB_FLT_MIN_EXP));
-  mrb_define_const(mrb, mrb->float_class, "MIN",          mrb_float_value(mrb, MRB_FLT_MIN));
-  mrb_define_const(mrb, mrb->float_class, "MIN_10_EXP",   mrb_fixnum_value(MRB_FLT_MIN_10_EXP));
-  mrb_define_const(mrb, mrb->float_class, "MAX_EXP",      mrb_fixnum_value(MRB_FLT_MAX_EXP));
-  mrb_define_const(mrb, mrb->float_class, "MAX",          mrb_float_value(mrb, MRB_FLT_MAX));
-  mrb_define_const(mrb, mrb->float_class, "MAX_10_EXP",   mrb_fixnum_value(MRB_FLT_MAX_10_EXP));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(RADIX),        mrb_fixnum_value(MRB_FLT_RADIX));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(MANT_DIG),     mrb_fixnum_value(MRB_FLT_MANT_DIG));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(EPSILON),      mrb_float_value(mrb, MRB_FLT_EPSILON));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(DIG),          mrb_fixnum_value(MRB_FLT_DIG));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(MIN_EXP),      mrb_fixnum_value(MRB_FLT_MIN_EXP));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(MIN),          mrb_float_value(mrb, MRB_FLT_MIN));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(MIN_10_EXP),   mrb_fixnum_value(MRB_FLT_MIN_10_EXP));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(MAX_EXP),      mrb_fixnum_value(MRB_FLT_MAX_EXP));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(MAX),          mrb_float_value(mrb, MRB_FLT_MAX));
+  mrb_define_const_id(mrb, mrb->float_class, MRB_SYM(MAX_10_EXP),   mrb_fixnum_value(MRB_FLT_MAX_10_EXP));
 #endif /* MRB_WITHOUT_FLOAT */
 }
 
diff --git a/mrbgems/mruby-object-ext/src/object.c b/mrbgems/mruby-object-ext/src/object.c
index 31bb689f6..57361e8e2 100644
--- a/mrbgems/mruby-object-ext/src/object.c
+++ b/mrbgems/mruby-object-ext/src/object.c
@@ -123,7 +123,7 @@ mrb_mruby_object_ext_gem_init(mrb_state* mrb)
 
   mrb_define_method(mrb, mrb->kernel_module, "itself", mrb_f_itself, MRB_ARGS_NONE());
 
-  mrb_define_method(mrb, mrb_class_get(mrb, "BasicObject"), "instance_exec", mrb_obj_instance_exec, MRB_ARGS_ANY() | MRB_ARGS_BLOCK());
+  mrb_define_method(mrb, mrb_class_get_id(mrb, MRB_SYM(BasicObject)), "instance_exec", mrb_obj_instance_exec, MRB_ARGS_ANY() | MRB_ARGS_BLOCK());
 }
 
 void
diff --git a/mrbgems/mruby-random/src/random.c b/mrbgems/mruby-random/src/random.c
index c3a3f61b4..c91df35f3 100644
--- a/mrbgems/mruby-random/src/random.c
+++ b/mrbgems/mruby-random/src/random.c
@@ -135,7 +135,7 @@ get_opt(mrb_state* mrb)
 
 static void
 random_check(mrb_state *mrb, mrb_value random) {
-  struct RClass *c = mrb_class_get(mrb, "Random");
+  struct RClass *c = mrb_class_get_id(mrb, MRB_SYM(Random));
   if (!mrb_obj_is_kind_of(mrb, random, c) || !mrb_istruct_p(random)) {
     mrb_raise(mrb, E_TYPE_ERROR, "Random instance required");
   }
diff --git a/mrbgems/mruby-socket/src/socket.c b/mrbgems/mruby-socket/src/socket.c
index 63e2b665b..f158959a7 100644
--- a/mrbgems/mruby-socket/src/socket.c
+++ b/mrbgems/mruby-socket/src/socket.c
@@ -53,7 +53,7 @@
 #endif
 #endif
 
-#define E_SOCKET_ERROR             (mrb_class_get(mrb, "SocketError"))
+#define E_SOCKET_ERROR             mrb_class_get_id(mrb, MRB_SYM(SocketError))
 
 #if !defined(mrb_cptr)
 #define mrb_cptr_value(m,p) mrb_voidp_value((m),(p))
@@ -347,7 +347,7 @@ mrb_basicsocket_getsockopt(mrb_state *mrb, mrb_value self)
   optlen = sizeof(opt);
   if (getsockopt(s, (int)level, (int)optname, opt, &optlen) == -1)
     mrb_sys_fail(mrb, "getsockopt");
-  c = mrb_const_get(mrb, mrb_obj_value(mrb_class_get(mrb, "Socket")), MRB_SYM(Option));
+  c = mrb_const_get(mrb, mrb_obj_value(mrb_class_get_id(mrb, MRB_SYM(Socket))), MRB_SYM(Option));
   family = socket_family(s);
   data = mrb_str_new(mrb, opt, optlen);
   return mrb_funcall_id(mrb, c, MRB_SYM(new), 4, mrb_fixnum_value(family), mrb_fixnum_value(level), mrb_fixnum_value(optname), data);
@@ -869,7 +869,7 @@ mrb_mruby_socket_gem_init(mrb_state* mrb)
   mrb_define_method(mrb, ai, "unix_path", mrb_addrinfo_unix_path, MRB_ARGS_NONE());
 #endif
 
-  io = mrb_class_get(mrb, "IO");
+  io = mrb_class_get_id(mrb, MRB_SYM(IO));
 
   bsock = mrb_define_class(mrb, "BasicSocket", io);
   mrb_define_method(mrb, bsock, "_recvfrom", mrb_basicsocket_recvfrom, MRB_ARGS_REQ(1)|MRB_ARGS_OPT(1));
@@ -948,7 +948,7 @@ void
 mrb_mruby_socket_gem_final(mrb_state* mrb)
 {
   mrb_value ai;
-  ai = mrb_mod_cv_get(mrb, mrb_class_get(mrb, "Addrinfo"), MRB_SYM(_lastai));
+  ai = mrb_mod_cv_get(mrb, mrb_class_get_id(mrb, MRB_SYM(Addrinfo)), MRB_SYM(_lastai));
   if (mrb_cptr_p(ai)) {
     freeaddrinfo((struct addrinfo*)mrb_cptr(ai));
   }
diff --git a/mrbgems/mruby-struct/src/struct.c b/mrbgems/mruby-struct/src/struct.c
index ee5ef85ae..4f50fe5dd 100644
--- a/mrbgems/mruby-struct/src/struct.c
+++ b/mrbgems/mruby-struct/src/struct.c
@@ -20,7 +20,7 @@
 static struct RClass *
 struct_class(mrb_state *mrb)
 {
-  return mrb_class_get(mrb, "Struct");
+  return mrb_class_get_id(mrb, MRB_SYM(Struct));
 }
 
 static inline mrb_value
diff --git a/mrbgems/mruby-time/src/time.c b/mrbgems/mruby-time/src/time.c
index 5fa700848..621fda42b 100644
--- a/mrbgems/mruby-time/src/time.c
+++ b/mrbgems/mruby-time/src/time.c
@@ -420,7 +420,7 @@ mrb_time_now(mrb_state *mrb, mrb_value self)
 MRB_API mrb_value
 mrb_time_at(mrb_state *mrb, time_t sec, time_t usec, enum mrb_timezone zone)
 {
-  return mrb_time_make_time(mrb, mrb_class_get(mrb, "Time"), sec, usec, zone);
+  return mrb_time_make_time(mrb, mrb_class_get_id(mrb, MRB_SYM(Time)), sec, usec, zone);
 }
 
 /* 15.2.19.6.1 */
diff --git a/src/class.c b/src/class.c
index 2bf26f659..2864fdda9 100644
--- a/src/class.c
+++ b/src/class.c
@@ -2353,10 +2353,10 @@ mrb_init_class(mrb_state *mrb)
   make_metaclass(mrb, cls);
 
   /* name basic classes */
-  mrb_define_const(mrb, bob, "BasicObject", mrb_obj_value(bob));
-  mrb_define_const(mrb, obj, "Object",      mrb_obj_value(obj));
-  mrb_define_const(mrb, obj, "Module",      mrb_obj_value(mod));
-  mrb_define_const(mrb, obj, "Class",       mrb_obj_value(cls));
+  mrb_define_const_id(mrb, bob, MRB_SYM(BasicObject), mrb_obj_value(bob));
+  mrb_define_const_id(mrb, obj, MRB_SYM(Object),      mrb_obj_value(obj));
+  mrb_define_const_id(mrb, obj, MRB_SYM(Module),      mrb_obj_value(mod));
+  mrb_define_const_id(mrb, obj, MRB_SYM(Class),       mrb_obj_value(cls));
 
   /* name each classes */
   mrb_class_name_class(mrb, NULL, bob, MRB_SYM(BasicObject));
diff --git a/src/numeric.c b/src/numeric.c
index 725960cf6..195bd40cf 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -1688,10 +1688,10 @@ mrb_init_numeric(mrb_state *mrb)
   mrb_define_method(mrb, fl,      "nan?",      flo_nan_p,      MRB_ARGS_NONE());
 
 #ifdef INFINITY
-  mrb_define_const(mrb, fl, "INFINITY", mrb_float_value(mrb, INFINITY));
+  mrb_define_const_id(mrb, fl, MRB_SYM(INFINITY), mrb_float_value(mrb, INFINITY));
 #endif
 #ifdef NAN
-  mrb_define_const(mrb, fl, "NAN", mrb_float_value(mrb, NAN));
+  mrb_define_const_id(mrb, fl, MRB_SYM(NAN), mrb_float_value(mrb, NAN));
 #endif
 
   mrb_include_module(mrb, fl, integral);