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-rw-r--r--include/ruby/ruby.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index b0dec375d8..bdec491978 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -533,12 +533,12 @@ unsigned long rb_num2uint(VALUE);
#define NUM2UINT(x) ((unsigned int)rb_num2uint(x))
unsigned long rb_fix2uint(VALUE);
#define FIX2UINT(x) ((unsigned int)rb_fix2uint(x))
-#else
+#else /* SIZEOF_INT < SIZEOF_LONG */
#define NUM2INT(x) ((int)NUM2LONG(x))
#define NUM2UINT(x) ((unsigned int)NUM2ULONG(x))
#define FIX2INT(x) ((int)FIX2LONG(x))
#define FIX2UINT(x) ((unsigned int)FIX2ULONG(x))
-#endif
+#endif /* SIZEOF_INT < SIZEOF_LONG */
short rb_num2short(VALUE);
unsigned short rb_num2ushort(VALUE);