using auto* for pointers
diff --git a/oss-internship-2020/libtiff/example/main_sandboxed.cc b/oss-internship-2020/libtiff/example/main_sandboxed.cc
index 3dfbfdd..b9c7698 100644
--- a/oss-internship-2020/libtiff/example/main_sandboxed.cc
+++ b/oss-internship-2020/libtiff/example/main_sandboxed.cc
@@ -60,7 +60,7 @@
   if (buffer.GetSize() <= cluster * kClusterSize) {
     return absl::InternalError("Buffer overrun\n");
   }
-  auto target = buffer.GetData() + cluster * kClusterSize;
+  auto* target = buffer.GetData() + cluster * kClusterSize;
 
   if (!std::memcmp(target, expected_cluster.data(), kClusterSize)) {
     return absl::OkStatus();
@@ -80,7 +80,7 @@
   if (buffer.GetSize() <= pixel * kChannelsInPixel) {
     return absl::InternalError("Buffer overrun\n");
   }
-  auto rgb = buffer.GetData() + kChannelsInPixel * pixel;
+  auto* rgb = buffer.GetData() + kChannelsInPixel * pixel;
 
   if (rgb[0] >= limits.min_red && rgb[0] <= limits.max_red &&
       rgb[1] >= limits.min_green && rgb[1] <= limits.max_green &&
@@ -104,7 +104,7 @@
     return absl::InternalError("Buffer overrun\n");
   }
 
-  auto rgba = buffer[adjusted_pixel];
+  auto* rgba = buffer[adjusted_pixel];
   if (TIFFGetR(rgba) >= static_cast<unsigned>(limits.min_red) &&
       TIFFGetR(rgba) <= static_cast<unsigned>(limits.max_red) &&
       TIFFGetG(rgba) >= static_cast<unsigned>(limits.min_green) &&
diff --git a/oss-internship-2020/libtiff/test/raw_decode.cc b/oss-internship-2020/libtiff/test/raw_decode.cc
index dbf8638..36bf842 100644
--- a/oss-internship-2020/libtiff/test/raw_decode.cc
+++ b/oss-internship-2020/libtiff/test/raw_decode.cc
@@ -64,7 +64,7 @@
     return true;
   }
 
-  auto target = buffer.GetData() + cluster * kClusterSize;
+  auto* target = buffer.GetData() + cluster * kClusterSize;
   bool comp =
       !(std::memcmp(target, expected_cluster.data(), kClusterSize) == 0);
 
@@ -89,7 +89,7 @@
     return true;
   }
 
-  auto rgb = buffer.GetData() + pixel * kChannelsInPixel;
+  auto* rgb = buffer.GetData() + pixel * kChannelsInPixel;
   bool comp = !(rgb[0] >= limits.min_red && rgb[0] <= limits.max_red &&
                 rgb[1] >= limits.min_green && rgb[1] <= limits.max_green &&
                 rgb[2] >= limits.min_blue && rgb[2] <= limits.max_blue);
@@ -115,7 +115,7 @@
     return true;
   }
 
-  auto rgba = buffer[adjusted_pixel];
+  auto* rgba = buffer[adjusted_pixel];
   bool comp = !(TIFFGetR(rgba) >= static_cast<unsigned>(limits.min_red) &&
                 TIFFGetR(rgba) <= static_cast<unsigned>(limits.max_red) &&
                 TIFFGetG(rgba) >= static_cast<unsigned>(limits.min_green) &&