diff --git a/oss-internship-2020/sapi_lodepng/.gitignore b/oss-internship-2020/sapi_lodepng/.gitignore
index 567609b..0e9807b 100644
--- a/oss-internship-2020/sapi_lodepng/.gitignore
+++ b/oss-internship-2020/sapi_lodepng/.gitignore
@@ -1 +1,2 @@
 build/
+.clang-format
diff --git a/oss-internship-2020/sapi_lodepng/CMakeLists.txt b/oss-internship-2020/sapi_lodepng/CMakeLists.txt
index 419c8e1..36ae846 100644
--- a/oss-internship-2020/sapi_lodepng/CMakeLists.txt
+++ b/oss-internship-2020/sapi_lodepng/CMakeLists.txt
@@ -20,36 +20,24 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED 17)
 
 # Apply the patches to the header file.
-file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/patches")
-
-# Move the original header to a new folder to use as target, apply the patch
-# and move it back to build the library.
 add_custom_command(
-    OUTPUT "${PROJECT_BINARY_DIR}/patches/lodepng.h"
-    COMMENT "Applying patch to header file."
-    COMMAND cp "${PROJECT_SOURCE_DIR}/patches/header.patch" "${PROJECT_BINARY_DIR}/patches/"
-    COMMAND cp "${PROJECT_SOURCE_DIR}/lodepng/lodepng.h" "${PROJECT_BINARY_DIR}/patches/"
-    COMMAND cd "${PROJECT_BINARY_DIR}/patches" && patch < header.patch
-    COMMAND cp "${PROJECT_BINARY_DIR}/patches/lodepng.h" "${PROJECT_SOURCE_DIR}/lodepng/"
+  OUTPUT "${PROJECT_BINARY_DIR}/lodepng/lodepng.h" "${PROJECT_BINARY_DIR}/lodepng/lodepng.cpp"
+  COMMENT "Applying patch to header file."
+  COMMAND cp -r "${PROJECT_SOURCE_DIR}/lodepng" "${PROJECT_BINARY_DIR}/"
+  COMMAND cp "${PROJECT_SOURCE_DIR}/patches/header.patch" "${PROJECT_BINARY_DIR}/lodepng/"
+  COMMAND cd "${PROJECT_BINARY_DIR}/lodepng" && patch < header.patch
 )
 
-set_property(
-    SOURCE
-    "${PROJECT_SOURCE_DIR}/lodepng/lodepng.h"
-    APPEND PROPERTY OBJECT_DEPENDS
-    "${PROJECT_BINARY_DIR}/patches/lodepng.h"
-)
-
-
 # Build static library.
 add_library(lodepng STATIC
-  "${PROJECT_SOURCE_DIR}/lodepng/lodepng.cpp"
-  "${PROJECT_SOURCE_DIR}/lodepng/lodepng.h"
+  "${PROJECT_BINARY_DIR}/lodepng/lodepng.cpp"
+  "${PROJECT_BINARY_DIR}/lodepng/lodepng.h"
 )
 
-# Build SAPI library
-set(SAPI_ROOT "" CACHE PATH "Path to the Sandboxed API source tree")
+target_include_directories(lodepng PUBLIC "${PROJECT_BINARY_DIR}/lodepng")
 
+# Build SAPI library
+set(SAPI_ROOT "${PROJECT_SOURCE_DIR}/../.." CACHE PATH "Path to the Sandboxed API source tree")
 
 add_subdirectory("${SAPI_ROOT}"
   "${CMAKE_BINARY_DIR}/sandboxed-api-build"
@@ -58,7 +46,7 @@ add_subdirectory("${SAPI_ROOT}"
 
 add_sapi_library(
   lodepng_sapi
-  
+
   FUNCTIONS
   lodepng_decode_memory
   lodepng_decode32
@@ -78,8 +66,8 @@ add_sapi_library(
 
   lodepng_save_file
   lodepng_load_file
-  
-  INPUTS "${PROJECT_SOURCE_DIR}/lodepng/lodepng.h"
+
+  INPUTS "${PROJECT_BINARY_DIR}/lodepng/lodepng.h"
   LIBRARY lodepng
   LIBRARY_NAME Lodepng
   NAMESPACE ""
diff --git a/oss-internship-2020/sapi_lodepng/examples/helpers.cc b/oss-internship-2020/sapi_lodepng/examples/helpers.cc
index 6811427..4bd4f98 100644
--- a/oss-internship-2020/sapi_lodepng/examples/helpers.cc
+++ b/oss-internship-2020/sapi_lodepng/examples/helpers.cc
@@ -26,7 +26,7 @@ std::vector<uint8_t> GenerateValues() {
       image.push_back(255);
     }
   }
-  
+
   return image;
 }
 
@@ -39,3 +39,4 @@ std::string CreateTempDirAtCWD() {
   CHECK(result.ok()) << "Could not create temporary directory";
   return result.value();
 }
+
diff --git a/oss-internship-2020/sapi_lodepng/examples/helpers.h b/oss-internship-2020/sapi_lodepng/examples/helpers.h
index 7f52802..e4a50c1 100644
--- a/oss-internship-2020/sapi_lodepng/examples/helpers.h
+++ b/oss-internship-2020/sapi_lodepng/examples/helpers.h
@@ -22,9 +22,9 @@
 #include "sandboxed_api/sandbox2/util/fileops.h"
 #include "sandboxed_api/sandbox2/util/temp_file.h"
 
-constexpr size_t kWidth = 512;
-constexpr size_t kHeight = 512;
-constexpr size_t kImgLen = kWidth * kHeight * 4;
+inline constexpr size_t kWidth = 512;
+inline constexpr size_t kHeight = 512;
+inline constexpr size_t kImgLen = kWidth * kHeight * 4;
 
 // Returns a vector that contains values used for testing.
 // This part of code is taken from
@@ -37,3 +37,4 @@ std::vector<uint8_t> GenerateValues();
 std::string CreateTempDirAtCWD();
 
 #endif  // SAPI_LODEPNG_HELPERS_H
+
diff --git a/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc b/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc
index d7b9761..fd612fa 100644
--- a/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc
+++ b/oss-internship-2020/sapi_lodepng/examples/main_sandboxed.cc
@@ -19,7 +19,7 @@
 #include "helpers.h"
 #include "sandbox.h"
 
-void EncodeDecodeOneStep(SapiLodepngSandbox &sandbox, LodepngApi &api) {
+void EncodeDecodeOneStep(SapiLodepngSandbox& sandbox, LodepngApi& api) {
   // Generate the values.
   std::vector<uint8_t> image = GenerateValues();
 
@@ -39,7 +39,7 @@ void EncodeDecodeOneStep(SapiLodepngSandbox &sandbox, LodepngApi &api) {
   // After the image has been encoded, decode it to check that the
   // pixel values are the same.
   sapi::v::UInt sapi_width, sapi_height;
-  sapi::v::IntBase<uint8_t *> sapi_image_ptr(0);
+  sapi::v::IntBase<uint8_t*> sapi_image_ptr(0);
 
   result = api.lodepng_decode32_file(
       sapi_image_ptr.PtrBoth(), sapi_width.PtrBoth(), sapi_height.PtrBoth(),
@@ -75,7 +75,7 @@ void EncodeDecodeOneStep(SapiLodepngSandbox &sandbox, LodepngApi &api) {
       << "Could not free memory inside sandboxed process";
 }
 
-void EncodeDecodeTwoSteps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
+void EncodeDecodeTwoSteps(SapiLodepngSandbox& sandbox, LodepngApi& api) {
   // Generate the values.
   std::vector<uint8_t> image = GenerateValues();
 
@@ -87,7 +87,7 @@ void EncodeDecodeTwoSteps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
   sapi::v::ConstCStr sapi_filename("/output/out_generated2.png");
 
   sapi::v::ULLong sapi_pngsize;
-  sapi::v::IntBase<uint8_t *> sapi_png_ptr(0);
+  sapi::v::IntBase<uint8_t*> sapi_png_ptr(0);
 
   // Encode it into memory.
   sapi::StatusOr<unsigned int> result =
@@ -116,7 +116,7 @@ void EncodeDecodeTwoSteps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
 
   // Now, decode the image using the 2 steps in order to compare the values.
   sapi::v::UInt sapi_width, sapi_height;
-  sapi::v::IntBase<uint8_t *> sapi_png_ptr2(0);
+  sapi::v::IntBase<uint8_t*> sapi_png_ptr2(0);
   sapi::v::ULLong sapi_pngsize2;
 
   // Load the file in memory.
@@ -139,7 +139,7 @@ void EncodeDecodeTwoSteps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
 
   // After the file is loaded, decode it so we have access to the values
   // directly.
-  sapi::v::IntBase<uint8_t *> sapi_png_ptr3(0);
+  sapi::v::IntBase<uint8_t*> sapi_png_ptr3(0);
   result = api.lodepng_decode32(
       sapi_png_ptr3.PtrBoth(), sapi_width.PtrBoth(), sapi_height.PtrBoth(),
       sapi_png_array2.PtrBefore(), sapi_pngsize2.GetValue());
@@ -171,7 +171,7 @@ void EncodeDecodeTwoSteps(SapiLodepngSandbox &sandbox, LodepngApi &api) {
       << "Could not free memory inside sandboxed process";
 }
 
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
   google::InitGoogleLogging(argv[0]);
 
   const std::string images_path = CreateTempDirAtCWD();
@@ -192,3 +192,4 @@ int main(int argc, char *argv[]) {
 
   return EXIT_SUCCESS;
 }
+
diff --git a/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc b/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc
index 8ad3ae6..a23210a 100644
--- a/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc
+++ b/oss-internship-2020/sapi_lodepng/examples/main_unit_test.cc
@@ -82,7 +82,7 @@ TEST(LodePngTest, EncodeDecodeOneStep) {
   ASSERT_THAT(result, Eq(0)) << "Unexpected result from encode32_file call";
 
   sapi::v::UInt sapi_width, sapi_height;
-  sapi::v::IntBase<uint8_t *> sapi_image_ptr(0);
+  sapi::v::IntBase<uint8_t*> sapi_image_ptr(0);
 
   SAPI_ASSERT_OK_AND_ASSIGN(
       result, api.lodepng_decode32_file(
@@ -136,7 +136,7 @@ TEST(LodePngTest, EncodeDecodeTwoSteps) {
   sapi::v::ConstCStr sapi_filename("/output/out_generated2.png");
 
   sapi::v::ULLong sapi_pngsize;
-  sapi::v::IntBase<uint8_t *> sapi_png_ptr(0);
+  sapi::v::IntBase<uint8_t*> sapi_png_ptr(0);
 
   SAPI_ASSERT_OK_AND_ASSIGN(
       unsigned int result,
@@ -159,7 +159,7 @@ TEST(LodePngTest, EncodeDecodeTwoSteps) {
   ASSERT_THAT(result, Eq(0)) << "Unexpected result from save_file call";
 
   sapi::v::UInt sapi_width, sapi_height;
-  sapi::v::IntBase<uint8_t *> sapi_png_ptr2(0);
+  sapi::v::IntBase<uint8_t*> sapi_png_ptr2(0);
   sapi::v::ULLong sapi_pngsize2;
 
   SAPI_ASSERT_OK_AND_ASSIGN(
@@ -178,7 +178,7 @@ TEST(LodePngTest, EncodeDecodeTwoSteps) {
   ASSERT_THAT(sandbox.TransferFromSandboxee(&sapi_png_array2), IsOk())
       << "Error during transfer from sandboxee";
 
-  sapi::v::IntBase<uint8_t *> sapi_png_ptr3(0);
+  sapi::v::IntBase<uint8_t*> sapi_png_ptr3(0);
   SAPI_ASSERT_OK_AND_ASSIGN(
       result,
       api.lodepng_decode32(sapi_png_ptr3.PtrBoth(), sapi_width.PtrBoth(),
@@ -211,3 +211,4 @@ TEST(LodePngTest, EncodeDecodeTwoSteps) {
 }
 
 }  // namespace
+
diff --git a/oss-internship-2020/sapi_lodepng/examples/main_unsandboxed.cc b/oss-internship-2020/sapi_lodepng/examples/main_unsandboxed.cc
index 2feb306..82fe168 100644
--- a/oss-internship-2020/sapi_lodepng/examples/main_unsandboxed.cc
+++ b/oss-internship-2020/sapi_lodepng/examples/main_unsandboxed.cc
@@ -16,11 +16,11 @@
 
 #include <iostream>
 
-#include "../lodepng/lodepng.h"
 #include "helpers.h"
+#include "lodepng.h"
 #include "sandboxed_api/sandbox2/util/fileops.h"
 
-void EncodeDecodeOneStep(const std::string &images_path) {
+void EncodeDecodeOneStep(const std::string& images_path) {
   // Generate the values.
   std::vector<uint8_t> image = GenerateValues();
 
@@ -34,7 +34,7 @@ void EncodeDecodeOneStep(const std::string &images_path) {
   // After the image has been encoded, decode it to check that the
   // pixel values are the same.
   unsigned int width, height;
-  uint8_t *image2 = 0;
+  uint8_t* image2 = 0;
 
   result = lodepng_decode32_file(&image2, &width, &height, filename.c_str());
 
@@ -50,13 +50,13 @@ void EncodeDecodeOneStep(const std::string &images_path) {
   free(image2);
 }
 
-void EncodeDecodeTwoSteps(const std::string &images_path) {
+void EncodeDecodeTwoSteps(const std::string& images_path) {
   // Generate the values.
   std::vector<uint8_t> image = GenerateValues();
 
   // Encode the image into memory first.
   const std::string filename = images_path + "/out_generated2.png";
-  uint8_t *png;
+  uint8_t* png;
   size_t pngsize;
 
   unsigned int result =
@@ -71,7 +71,7 @@ void EncodeDecodeTwoSteps(const std::string &images_path) {
 
   // Now, decode the image using the 2 steps in order to compare the values.
   unsigned int width, height;
-  uint8_t *png2;
+  uint8_t* png2;
   size_t pngsize2;
 
   // Load the file in memory.
@@ -80,7 +80,7 @@ void EncodeDecodeTwoSteps(const std::string &images_path) {
   CHECK(!result) << "Unexpected result from load_file call";
   CHECK(pngsize == pngsize2) << "Png sizes differ";
 
-  uint8_t *image2;
+  uint8_t* image2;
   result = lodepng_decode32(&image2, &width, &height, png2, pngsize2);
 
   CHECK(!result) << "Unexpected result from decode32 call";
@@ -96,7 +96,7 @@ void EncodeDecodeTwoSteps(const std::string &images_path) {
   free(image2);
 }
 
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
   google::InitGoogleLogging(argv[0]);
 
   const std::string images_path = CreateTempDirAtCWD();
@@ -112,3 +112,4 @@ int main(int argc, char *argv[]) {
 
   return EXIT_SUCCESS;
 }
+
diff --git a/oss-internship-2020/sapi_lodepng/examples/sandbox.h b/oss-internship-2020/sapi_lodepng/examples/sandbox.h
index e0ab41b..7c2afb8 100644
--- a/oss-internship-2020/sapi_lodepng/examples/sandbox.h
+++ b/oss-internship-2020/sapi_lodepng/examples/sandbox.h
@@ -47,3 +47,4 @@ class SapiLodepngSandbox : public LodepngSandbox {
 };
 
 #endif  // SAPI_LODEPNG_SANDBOX_H_
+