| /* |
| * 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::nextBytes(void* n, size_t size) { |
| if ((fNextByte + size) > fSize) { |
| sk_bzero(n, size); |
| memcpy(n, fData + fNextByte, fSize - fNextByte); |
| fNextByte = fSize; |
| return; |
| } |
| memcpy(n, fData + 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)); |
| } |