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- /* Copyright (c) 2003-2004, Roger Dingledine
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2011, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- /**
- * \file di_ops.h
- * \brief Headers for di_ops.c
- **/
- #ifndef TOR_DI_OPS_H
- #define TOR_DI_OPS_H
- #include "orconfig.h"
- #include "torint.h"
- int tor_memcmp(const void *a, const void *b, size_t sz);
- int tor_memeq(const void *a, const void *b, size_t sz);
- #define tor_memneq(a,b,sz) (!tor_memeq((a),(b),(sz)))
- /** Alias for the platform's memcmp() function. This function is
- * <em>not</em> data-independent: we define this alias so that we can
- * mark cases where we are deliberately using a data-dependent memcmp()
- * implementation.
- */
- #define fast_memcmp(a,b,c) (memcmp((a),(b),(c)))
- #define fast_memeq(a,b,c) (0==memcmp((a),(b),(c)))
- #define fast_memneq(a,b,c) (0!=memcmp((a),(b),(c)))
- #endif
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