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@@ -23,6 +23,9 @@
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* This implementation differs from memcmp in that its timing behavior is not
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* data-dependent: it should return in the same amount of time regardless of
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* the contents of <b>a</b> and <b>b</b>.
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+ *
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+ * Note that if all you care about is equality, this implementation is
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+ * overkill: it would be better to use tor_memeq() or tor_memneq().
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*/
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int
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tor_memcmp(const void *a, const void *b, size_t len)
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