From e565450d0ba81a9869be79664126fd8517dc1632 Mon Sep 17 00:00:00 2001 From: kjlubick Date: Tue, 19 Jul 2016 16:50:03 -0700 Subject: Port FuzzPathop from chromium BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2148023002 Review-Url: https://codereview.chromium.org/2148023002 --- fuzz/Fuzz.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'fuzz/Fuzz.h') diff --git a/fuzz/Fuzz.h b/fuzz/Fuzz.h index 07c2c8456e..79bf675f45 100644 --- a/fuzz/Fuzz.h +++ b/fuzz/Fuzz.h @@ -16,6 +16,14 @@ class Fuzz : SkNoncopyable { public: explicit Fuzz(SkData*); + // Returns the total number of "random" bytes available. + size_t size(); + // Returns the total number of "random" bytes remaining for randomness. + size_t remaining(); + + template + bool next(T* n); + bool nextBool(); uint8_t nextB(); uint32_t nextU(); @@ -43,6 +51,17 @@ private: int fNextByte; }; +template +bool Fuzz::next(T* n) { + if (fNextByte + sizeof(T) > fBytes->size()) { + return false; + } + + memcpy(n, fBytes->bytes() + fNextByte, sizeof(T)); + fNextByte += sizeof(T); + return true; +} + struct Fuzzable { const char* name; void (*fn)(Fuzz*); -- cgit v1.2.3