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-rw-r--r--ext/dl/cfunc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/dl/cfunc.c b/ext/dl/cfunc.c
index 70cf6c4..de05eb3 100644
--- a/ext/dl/cfunc.c
+++ b/ext/dl/cfunc.c
@@ -367,7 +367,11 @@ rb_dlcfunc_call(VALUE self, VALUE ary)
stack[i] = (DLSTACK_TYPE)FIX2LONG(arg);
}
else if (RB_TYPE_P(arg, T_BIGNUM)) {
+#if SIZEOF_VOIDP == SIZEOF_LONG
stack[i] = (DLSTACK_TYPE)rb_big2ulong_pack(arg);
+#else
+ stack[i] = (DLSTACK_TYPE)rb_big2ull(arg);
+#endif
}
else {
Check_Type(arg, T_FIXNUM);