C version mostly complete

.vscode/dictionary.txt

@@ -34,8 +34,10 @@ mktemp
 mscgen
 msvc
 msvcrt
+municode
 objbase
 parens
+pidl
 popen
 priv
 proc
@@ -56,6 +58,7 @@ wempty
 werror
 windres
 winprefs
+wmain
 wmissing
 wparentheses
 wpointer

CMakeLists.txt

@@ -1,48 +1,4 @@
 cmake_minimum_required(VERSION 3.26 FATAL_ERROR)
 project(winprefs)
 
-include(GNUInstallDirs)
-
-set(GCC_CLANG_SHARED_C_FLAGS "-fno-builtin;-std=gnu11")
-set(GCC_CLANG_DEBUG_C_FLAGS
-    "-ggdb;\
--O0;\
--pedantic;\
--Wall;\
--Wdeprecated-declarations;\
--Wempty-body;\
--Werror;\
--Werror=conversion;\
--Werror=float-conversion;\
--Werror=implicit-function-declaration;\
--Werror=incompatible-pointer-types;\
--Werror=int-conversion;\
--Werror=return-type;\
--Werror=sign-conversion;\
--Wmissing-braces;\
--Wmissing-field-initializers;\
--Wno-missing-prototypes;\
--Wno-strict-prototypes;\
--Wno-trigraphs;\
--Wno-unknown-pragmas;\
--Wparentheses;\
--Wpointer-sign;\
--Wshadow;\
--Wsign-compare;\
--Wswitch;\
--Wuninitialized;\
--Wunknown-pragmas;\
--Wunreachable-code;\
--Wunused-function;\
--Wunused-label;\
--Wunused-parameter;\
--Wunused-value;\
--Wunused-variable")
-
-add_executable(winprefs main.c)
-if(CMAKE_COMPILER_IS_GNUCC OR ${CMAKE_C_COMPILER_ID} STREQUAL "Clang")
-  target_compile_options(
-    winprefs PRIVATE ${GCC_CLANG_SHARED_C_FLAGS}
-                     $<$<CONFIG:Debug>:${GCC_CLANG_DEBUG_C_FLAGS}>)
-endif()
-install(TARGETS winprefs DESTINATION ${CMAKE_INSTALL_BINDIR})
+add_subdirectory(native)

native/CMakeLists.txt

@@ -0,0 +1,46 @@
+include(GNUInstallDirs)
+
+set(GCC_CLANG_SHARED_C_FLAGS "-fno-builtin;-std=gnu2x")
+set(GCC_CLANG_DEBUG_C_FLAGS
+    "-ggdb;\
+-O0;\
+-pedantic;\
+-Wall;\
+-Wdeprecated-declarations;\
+-Wempty-body;\
+-Werror;\
+-Werror=conversion;\
+-Werror=float-conversion;\
+-Werror=implicit-function-declaration;\
+-Werror=incompatible-pointer-types;\
+-Werror=int-conversion;\
+-Werror=return-type;\
+-Werror=sign-conversion;\
+-Wmissing-braces;\
+-Wmissing-field-initializers;\
+-Wno-missing-prototypes;\
+-Wno-strict-prototypes;\
+-Wno-trigraphs;\
+-Wno-unknown-pragmas;\
+-Wparentheses;\
+-Wpointer-sign;\
+-Wshadow;\
+-Wsign-compare;\
+-Wswitch;\
+-Wuninitialized;\
+-Wunknown-pragmas;\
+-Wunreachable-code;\
+-Wunused-function;\
+-Wunused-label;\
+-Wunused-parameter;\
+-Wunused-value;\
+-Wunused-variable")
+
+add_executable(winprefs constants.c main.c reg_command.c shell.c)
+if(CMAKE_COMPILER_IS_GNUCC OR ${CMAKE_C_COMPILER_ID} STREQUAL "Clang")
+  target_link_options(winprefs PRIVATE -municode)
+  target_compile_options(
+    winprefs PRIVATE ${GCC_CLANG_SHARED_C_FLAGS}
+                     $<$<CONFIG:Debug>:${GCC_CLANG_DEBUG_C_FLAGS}>)
+endif()
+install(TARGETS winprefs DESTINATION ${CMAKE_INSTALL_BINDIR})

native/constants.c

@@ -0,0 +1,5 @@
+#include "constants.h"
+
+const size_t MAX_KEY_LENGTH = 255;
+const size_t MAX_VALUE_NAME = 16383;
+const size_t CMD_MAX_COMMAND_LENGTH = 8191;