enabled more warnings

include/tlibc/std.h

@@ -22,7 +22,6 @@ typedef int64_t i64;
 typedef uint64_t u64;
 typedef float f32;
 typedef double f64;
-typedef void* ptr;
 
 #if !__cplusplus && !defined(bool)
 typedef u8 bool;

project.config

@@ -6,8 +6,17 @@ CMP_C="gcc"
 CMP_CPP="g++"
 STD_C="c99"
 STD_CPP="c++11"
-WARN_C="-Wall -Wextra -Werror=return-type -Werror=pointer-arith"
-WARN_CPP="-Wall -Wextra -Werror=return-type -Werror=pointer-arith"
+WARN_C="-Wall -Wextra
+    -Wduplicated-branches
+    -Wduplicated-cond
+    -Wformat=2
+    -Wmissing-include-dirs
+    -Wshadow
+    -Werror=return-type
+    -Werror=pointer-arith
+    -Werror=init-self
+    -Werror=incompatible-pointer-types"
+WARN_CPP="$WARN_C"
 SRC_C="$(find src -name '*.c')"
 SRC_CPP="$(find src -name '*.cpp')"