/* * Copyright 2016 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "fuzz/Fuzz.h" #include "fuzz/FuzzCommon.h" // UBSAN reminds us that bool can only legally hold 0 or 1. void Fuzz::next(bool* b) { uint8_t n; this->next(&n); *b = (n & 1) == 1; } void Fuzz::next(SkImageFilter::CropRect* cropRect) { SkRect rect; uint8_t flags; this->next(&rect); this->nextRange(&flags, 0, 0xF); *cropRect = SkImageFilter::CropRect(rect, flags); } void Fuzz::nextBytes(void* n, size_t size) { if ((fNextByte + size) > fBytes->size()) { sk_bzero(n, size); memcpy(n, fBytes->bytes() + fNextByte, fBytes->size() - fNextByte); fNextByte = fBytes->size(); return; } memcpy(n, fBytes->bytes() + fNextByte, size); fNextByte += size; } void Fuzz::next(SkRegion* region) { // See FuzzCommon.h FuzzNiceRegion(this, region, 10); } void Fuzz::nextRange(float* f, float min, float max) { this->next(f); if (!std::isnormal(*f) && *f != 0.0f) { // Don't deal with infinity or other strange floats. *f = max; } *f = min + std::fmod(std::abs(*f), (max - min + 1)); }