/* * Minifies using the minify() function directly, without parsing. * * For fuzzing all of the implementations (haswell/fallback/westmere), * finding any difference between the output of each which would * indicate inconsistency. Also, it gets the non-default backend * some fuzzing love. * * Copyright Paul Dreik 20200912 for the simdjson project. */ #include "simdjson.h" #include #include #include extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { using Buffer=std::vector; auto minify=[Data,Size](const simdjson::implementation* impl) -> Buffer { Buffer ret(Size); std::size_t retsize=0; auto err=impl->minify(Data,Size,ret.data(),retsize); if(err) { std::string tmp = error_message(err); ret.assign(tmp.begin(),tmp.end()); } else { assert(retsize<=Size && "size should not grow by minimize()!"); ret.resize(retsize); } return ret; }; auto const first = simdjson::available_implementations.begin(); auto const last = simdjson::available_implementations.end(); auto it = first; while((it != last) && (!(*it)->supported_by_runtime_system())) { it++; } assert(it != last); const auto reference=minify(*first); bool failed=false; for(;it != last; ++it) { if(!(*it)->supported_by_runtime_system()) { continue; } const auto current=minify(*it); if(current!=reference) { failed=true; } } if(failed) { std::cerr<supported_by_runtime_system()) { continue; } const auto current=minify(*it); std::string tmp(current.begin(),current.end()); std::cerr<<(*it)->name()<<" returns "<