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@@ -0,0 +1,50 @@
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+/* Copyright (c) 2001-2004, Roger Dingledine.
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+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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+ * Copyright (c) 2007-2019, The Tor Project, Inc. */
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+/* See LICENSE for licensing information */
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+
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+#include "ptr_helpers.h"
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+
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+/**
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+ * Cast <b> (inptr_t value) to a void pointer.
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+ */
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+void *
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+cast_intptr_to_voidstar(intptr_t x)
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+{
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+ void *r = (void *)x;
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+
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+ return r;
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+}
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+
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+/**
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+ * Cast x (void pointer) to inptr_t value.
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+ */
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+intptr_t
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+cast_voidstar_to_intptr(void *x)
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+{
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+ intptr_t r = (intptr_t)x;
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+
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+ return r;
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+}
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+
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+/**
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+ * Cast x (uinptr_t value) to void pointer.
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+ */
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+void *
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+cast_uintptr_to_voidstar(uintptr_t x)
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+{
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+ void *r = (void *)x;
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+
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+ return r;
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+}
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+
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+/**
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+ * Cast x (void pointer) to uinptr_t value.
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+ */
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+uintptr_t
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+cast_voidstar_to_uintptr(void *x)
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+{
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+ uintptr_t r = (uintptr_t)x;
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+
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+ return r;
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+}
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