diff --git a/photon-core/src/dev/native/cpp/devmain.cpp b/photon-core/src/dev/native/cpp/devmain.cpp
index 69f8136930..5b4065a1d7 100644
--- a/photon-core/src/dev/native/cpp/devmain.cpp
+++ b/photon-core/src/dev/native/cpp/devmain.cpp
@@ -1,16 +1,34 @@
-#include "test.h"
+/*
+ * Copyright (C) Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <cstdio>
 
 #include <opencv2/core.hpp>
 #include <opencv2/core/mat.hpp>
 #include <opencv2/imgcodecs.hpp>
 
-#include <stdio.h>
+#include "test.h"
 
 int main() {
-    
-    cv::Mat mat = cv::imread("/home/matt/Documents/GitHub/photonvision/test-resources/testimages/2022/WPI/FarLaunchpad13ft10in.png");
+  cv::Mat mat = cv::imread(
+      "/home/matt/Documents/GitHub/photonvision/test-resources/testimages/2022/"
+      "WPI/FarLaunchpad13ft10in.png");
 
-    printf("DevMain! mat size %i %i\n", mat.rows, mat.cols);
+  std::printf("DevMain! mat size %i %i\n", mat.rows, mat.cols);
 
-    return 1;
-}
\ No newline at end of file
+  return 1;
+}
diff --git a/photon-core/src/main/native/cpp/test.cpp b/photon-core/src/main/native/cpp/test.cpp
index 203a2f8f8e..e42ed323cc 100644
--- a/photon-core/src/main/native/cpp/test.cpp
+++ b/photon-core/src/main/native/cpp/test.cpp
@@ -1,16 +1,34 @@
+/*
+ * Copyright (C) Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include "test.h"
 
+#include <cstdio>
+
 #include <opencv2/core.hpp>
 #include <opencv2/core/mat.hpp>
 #include <opencv2/imgcodecs.hpp>
 
-#include <stdio.h>
-
 int some_test() {
-    
-    cv::Mat mat = cv::imread("/home/matt/Documents/GitHub/photonvision/test-resources/testimages/2022/WPI/FarLaunchpad13ft10in.png");
+  cv::Mat mat = cv::imread(
+      "/home/matt/Documents/GitHub/photonvision/test-resources/testimages/2022/"
+      "WPI/FarLaunchpad13ft10in.png");
 
-    printf("mat size %i %i\n", mat.rows, mat.cols);
+  std::printf("mat size %i %i\n", mat.rows, mat.cols);
 
-    return 1;
-}
\ No newline at end of file
+  return 1;
+}
diff --git a/photon-core/src/main/native/include/test.h b/photon-core/src/main/native/include/test.h
index 4e3098346f..ae673c990a 100644
--- a/photon-core/src/main/native/include/test.h
+++ b/photon-core/src/main/native/include/test.h
@@ -1,2 +1,19 @@
+/*
+ * Copyright (C) Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 int some_test();
diff --git a/photon-core/src/main/native/jni/TestJni.cpp b/photon-core/src/main/native/jni/TestJni.cpp
index 6e8f36bd5a..38da552c57 100644
--- a/photon-core/src/main/native/jni/TestJni.cpp
+++ b/photon-core/src/main/native/jni/TestJni.cpp
@@ -1,8 +1,22 @@
+/*
+ * Copyright (C) Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include <jni.h>
 
 extern "C" {
-    JNIEXPORT jint JNICALL
-    some_native_function() {
-        return 0;
-    }
-}
\ No newline at end of file
+JNIEXPORT jint JNICALL some_native_function(void) { return 0; }
+}  // extern "C"
diff --git a/photon-core/src/test/native/cpp/devmain.cpp b/photon-core/src/test/native/cpp/devmain.cpp
index b003512ea7..8384921a68 100644
--- a/photon-core/src/test/native/cpp/devmain.cpp
+++ b/photon-core/src/test/native/cpp/devmain.cpp
@@ -1,7 +1,25 @@
+/*
+ * Copyright (C) Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <cstdio>
+
 #include "test.h"
-#include <stdio.h>
 
 int main(int argc, char** argv) {
-    printf("hello!\n");
-    return some_test();
-}
\ No newline at end of file
+  std::printf("hello!\n");
+  return some_test();
+}
diff --git a/photon-lib/build.gradle b/photon-lib/build.gradle
index 6b6cec8dec..02b468d11b 100644
--- a/photon-lib/build.gradle
+++ b/photon-lib/build.gradle
@@ -22,7 +22,9 @@ ext {
     ]
 
     main_native_libs = [
-        "wpilib_shared", "apriltag_shared", "opencv_shared"
+        "wpilib_shared",
+        "apriltag_shared",
+        "opencv_shared"
     ]
 
     dev_native_libs = []
diff --git a/photon-targeting/build.gradle b/photon-targeting/build.gradle
index 5e8af89ee4..0d14b6737f 100644
--- a/photon-targeting/build.gradle
+++ b/photon-targeting/build.gradle
@@ -6,7 +6,9 @@ ext {
     nativeName = "photontargeting"
 
     main_native_libs = [
-        "wpilib_shared", "apriltag_shared", "opencv_shared"
+        "wpilib_shared",
+        "apriltag_shared",
+        "opencv_shared"
     ]
 
     test_native_libs = [