TFTP

Add tftp_custom_write and test functions

tests/CMakeLists.txt

@@ -9,6 +9,11 @@ link_directories(${GTEST_LIB_DIR})
 file(GLOB_RECURSE TEST_SOURCES "*.cpp" "*.c")
 add_executable(tests)
 
+target_compile_definitions(tests
+    PRIVATE
+    "TESTING"
+)
+
 target_sources(tests
     PRIVATE
     ${TEST_SOURCES}