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-rw-r--r--include/ruby/ruby.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 6c13a265880..9bb00133bdc 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -514,7 +514,15 @@ rb_num2long_inline(VALUE x)
return (long)rb_num2long(x);
}
#define NUM2LONG(x) rb_num2long_inline(x)
-#define NUM2ULONG(x) rb_num2ulong(x)
+static inline unsigned long
+rb_num2ulong_inline(VALUE x)
+{
+ if (FIXNUM_P(x))
+ return (unsigned long)FIX2LONG(x);
+ else
+ return (unsigned long)rb_num2ulong(x);
+}
+#define NUM2ULONG(x) rb_num2ulong_inline(x)
#if SIZEOF_INT < SIZEOF_LONG
long rb_num2int(VALUE);
long rb_fix2int(VALUE);