update CFLAGS and remove clang.cfg

.clang-tidy

@@ -1,5 +1,13 @@
 ---
-ExtraArgs: ["-std=gnu17", "-D _GNU_SOURCE 1", "-I./include", "-I./lib/log", "-I./lib/argtable"]
+ExtraArgs:
+  [
+    "-std=gnu17",
+    "-D _GNU_SOURCE 1",
+    "-D __STDC_WANT_LIB_EXT1__",
+    "-I./include",
+    "-I./lib/log",
+    "-I./lib/argtable",
+  ]
 HeaderFileExtensions:
   - h
 HeaderFilterRegex: "./include/*"

Makefile

@@ -28,38 +28,52 @@ LIB_LOG_FLAGS := -DLOG_USE_COLOR
 OBJS := $(BARCO).o cgroups.o container.o mount.o sec.o user.o $(LIB_ARGTABLE_NAME).o $(LIB_LOG_NAME).o
 
 # Compiler settings
-CC_INCLUDE_FLAGS := -I$(INCLUDE_DIR) -I$(LIB_ARGTABLE_DIR) -I$(LIB_LOG_DIR)
-CC := clang-18 --config ./clang.cfg $(CC_INCLUDE_FLAGS)
+CC := clang-18
 LINTER := clang-tidy-18
 FORMATTER := clang-format-18
 DEBUGGER := lldb-18
 DISASSEMBLER := llvm-objdump-18
 
-# Debug Settings
+# Compiler and Linker flags Settings:
+# 	-std=gnu17: Use the GNU17 standard
+# 	-D _GNU_SOURCE: Use GNU extensions
+# 	-D __STDC_WANT_LIB_EXT1__: Use C11 extensions
+# 	-Wall: Enable all warnings
+# 	-Wextra: Enable extra warnings
+# 	-pedantic: Enable pedantic warnings
+# 	-I$(INCLUDE_DIR): Include the include directory
+# 	-I$(LIB_ARGTABLE_DIR): Include the argtable library directory
+# 	-I$(LIB_LOG_DIR): Include the log library directory
+# 	-lcap: Link to libcap
+# 	-lseccomp: Link to libseccomp
+# 	-lm: Link to libm
+CFLAGS := -std=gnu17 -D _GNU_SOURCE -D __STDC_WANT_LIB_EXT1__ -Wall -Wextra -pedantic -I$(INCLUDE_DIR) -I$(LIB_ARGTABLE_DIR) -I$(LIB_LOG_DIR)
+LFLAGS := -lcap -lseccomp -lm
+
 ifeq ($(debug), 1)
-	CC := $(CC) -g -O0
+	CFLAGS := $(CFLAGS) -g -O0
 else
-	CC := $(CC) -Oz
+	CFLAGS := $(CFLAGS) -Oz
 endif
 
 # Targets
 
 # Build barco executable
 $(BARCO): format lint dir $(OBJS)
-	$(CC) -o $(BIN_DIR)/$(BARCO) $(foreach file,$(OBJS),$(BUILD_DIR)/$(file))
+	$(CC) $(CFLAGS) $(LFLAGS) -o $(BIN_DIR)/$(BARCO) $(foreach file,$(OBJS),$(BUILD_DIR)/$(file))
 
 # Build object files
 %.o: dir $(SRC_DIR)/%.c
-	@$(CC) -o $(BUILD_DIR)/$*.o -c $(SRC_DIR)/$*.c
+	@$(CC) $(CFLAGS) -o $(BUILD_DIR)/$*.o -c $(SRC_DIR)/$*.c
 # Build third-party libraries
 $(LIB_ARGTABLE_NAME).o: dir $(LIB_ARGTABLE_SRC)
-	@$(CC) -o $(BUILD_DIR)/$(LIB_ARGTABLE_NAME).o -c $(LIB_ARGTABLE_SRC)
+	@$(CC) $(CFLAGS) -o $(BUILD_DIR)/$(LIB_ARGTABLE_NAME).o -c $(LIB_ARGTABLE_SRC)
 $(LIB_LOG_NAME).o: dir $(LIB_ARGTABLE_SRC)
-	@$(CC) -o $(BUILD_DIR)/$(LIB_LOG_NAME).o -c $(LIB_LOG_SRC) $(LIB_LOG_FLAGS)
+	@$(CC) $(CFLAGS) -o $(BUILD_DIR)/$(LIB_LOG_NAME).o -c $(LIB_LOG_SRC) $(LIB_LOG_FLAGS)
 
 # Run CUnit tests
 test: dir
-	@$(CC) -lcunit -o $(BIN_DIR)/$(BARCO)_test $(TESTS_DIR)/$(BARCO)_test.c
+	@$(CC) $(CFLAGS) -lcunit -o $(BIN_DIR)/$(BARCO)_test $(TESTS_DIR)/$(BARCO)_test.c
 	@$(BIN_DIR)/$(BARCO)_test
 
 # Run linter on source directories

README.md

@@ -118,13 +118,12 @@ The project is structured as follows:
 ├── lib                 third-party libraries
 ├── scripts             scripts for setup and other tasks
 ├── src                 C source files
-│   ├── barco.c         (main)
+│   ├── barco.c         (main) Entry point for the CLI
 │   └── *.c
 ├── tests               contains tests
-├── .clang-format       configuration for clang-format
-├── .cang-tidy          configuration for clang-tidy
+├── .clang-format       configuration for the formatter
+├── .clang-tidy         configuration for the linter
 ├── .gitignore
-├── .clang.cfg          configuration for the compiler
 ├── LICENSE
 ├── Makefile
 └── README.md
@@ -152,7 +151,7 @@ In the future, suitable tools for automated testing and documentation might be a
 ## Improvements
 
 - Investigate further, document and refactor: user and mount and cgroup namespaces, syscalls and capabilities
-- The functions in `cgroups.c`, `mount.c`, `sec.c`, `userns.c` are specific to `barco` and should be made more generic
+- The functions in `cgroups.c`, `mount.c`, `sec.c`, `user.c` are specific to `barco` and should be made more generic
 - CMake and Conan are industry standards, so they should be used eventually instead of Make and the current build system. Unfortunately, CMake and Conan also add a lot of complexity which is not needed at this time.
 
 ## Credits