make local symbols static

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

bignum.c

@@ -4838,7 +4838,7 @@ rb_big2str_generic(VALUE x, int base)
 }
 
 #ifdef USE_GMP
-VALUE
+static VALUE
 big2str_gmp(VALUE x, int base)
 {
     const size_t nails = (sizeof(BDIGIT)-SIZEOF_BDIGIT)*CHAR_BIT;

error.c

@@ -917,7 +917,7 @@ rb_exc_set_backtrace(VALUE exc, VALUE bt)
  * information.
  */
 
-VALUE
+static VALUE
 exc_cause(VALUE exc)
 {
     return rb_attr_get(exc, id_cause);

gc.c

@@ -6875,7 +6875,7 @@ default_proc_for_compat_func(VALUE hash, VALUE dmy, int argc, VALUE *argv)
     return Qnil;
 }
 
-size_t
+static size_t
 gc_stat_internal(VALUE hash_or_sym)
 {
     rb_objspace_t *objspace = &rb_objspace;

iseq.c

@@ -1021,7 +1021,7 @@ iseqw_absolute_path(VALUE self)
  *	> iseq = RubyVM::InstructionSequence.compile_file('/tmp/method.rb')
  *	> iseq.label #=> <main>
  */
-VALUE
+static VALUE
 iseqw_label(VALUE self)
 {
     return rb_iseq_label(iseqw_check(self));
@@ -1063,7 +1063,7 @@ iseqw_base_label(VALUE self)
  *	iseq.first_lineno
  *	#=> 1
  */
-VALUE
+static VALUE
 iseqw_first_lineno(VALUE self)
 {
     return rb_iseq_first_lineno(iseqw_check(self));

variable.c

@@ -1038,7 +1038,7 @@ gen_ivtbl_bytes(size_t n)
     return sizeof(struct gen_ivtbl) + n * sizeof(VALUE) - sizeof(VALUE);
 }
 
-struct gen_ivtbl *
+static struct gen_ivtbl *
 gen_ivtbl_resize(struct gen_ivtbl *old, long n)
 {
     long len = old ? old->numiv : 0;
@@ -1052,7 +1052,8 @@ gen_ivtbl_resize(struct gen_ivtbl *old, long n)
     return ivtbl;
 }
 
-struct gen_ivtbl *
+#if 0
+static struct gen_ivtbl *
 gen_ivtbl_dup(const struct gen_ivtbl *orig)
 {
     size_t s = gen_ivtbl_bytes(orig->numiv);
@@ -1062,6 +1063,7 @@ gen_ivtbl_dup(const struct gen_ivtbl *orig)
 
     return ivtbl;
 }
+#endif
 
 static long
 iv_index_tbl_newsize(struct ivar_update *ivup)