format also void*

pauldreik · Jun 9, 2019 · a0004eb · a0004eb
1 parent 820142e
commit a0004eb
Showing 1 changed file with 18 additions and 12 deletions.
diff --git a/test/fuzzing/sprintf.cpp b/test/fuzzing/sprintf.cpp
@@ -11,6 +11,18 @@
 
 constexpr auto Nmax = std::max(sizeof(long double), sizeof(std::intmax_t));
 
+template<class Item>
+Item assignFromBuf(const uint8_t* Data, std::size_t Size) {
+    Item item{};
+    std::memcpy(&item, Data, sizeof(Item));
+    return item;
+}
+
+template<>
+bool assignFromBuf<bool>(const uint8_t* Data, std::size_t Size) {
+return  !!Data[0];
+}
+
 template <typename Item1, typename Item2>
 void invoke_fmt(const uint8_t* Data, std::size_t Size) {
   const auto N1 = sizeof(Item1);
@@ -20,21 +32,11 @@ void invoke_fmt(const uint8_t* Data, std::size_t Size) {
   if (Size <= Nmax + Nmax) {
     return;
   }
-  Item1 item1{};
-  if /*constexpr*/ (std::is_same<Item1, bool>::value) {
-    item1 = !!Data[0];
-  } else {
-    std::memcpy(&item1, Data, N1);
-  }
+  Item1 item1=assignFromBuf<Item1>(Data,Size);
   Data += Nmax;
   Size -= Nmax;
 
-  Item2 item2{};
-  if /*constexpr*/ (std::is_same<Item2, bool>::value) {
-    item2 = !!Data[0];
-  } else {
-    std::memcpy(&item2, Data, N2);
-  }
+  Item2 item2=assignFromBuf<Item2>(Data,Size);
   Data += Nmax;
   Size -= Nmax;
 
@@ -96,6 +98,10 @@ template <typename Callback> void invoke(int index, Callback callback) {
     using LD = long double;
     callback(LD{});
     break;
+  case 13:
+    using ptr = void*;
+    callback(ptr{});
+    break;
   }
 }