override user directory on command line

4ed.cpp

@@ -52,6 +52,7 @@ init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings,
                                 
                                 case 'f': action = CLAct_FontSize; break;
                                 case 'h': action = CLAct_FontUseHinting; --i; break;
+                                case 'U': action = CLAct_UserDirectory; break;
                             }
                         }
                         else if (arg[0] != 0){
@@ -137,6 +138,14 @@ init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings,
                         settings->use_hinting = plat_settings->use_hinting;
                         action = CLAct_Nothing;
                     }break;
+                    
+                    case CLAct_UserDirectory:
+                    {
+                        if (i < argc){
+                            plat_settings->user_directory = argv[i];
+                        }
+                        action = CLAct_Nothing;
+                    }break;
                 }
             }break;
             

4ed.h

@@ -28,6 +28,8 @@ struct Plat_Settings{
     b8 maximize_window;
     
     b8 use_hinting;
+    
+    char *user_directory;
 };
 
 #define App_Read_Command_Line_Sig(name) \

4ed_app_models.h

@@ -180,7 +180,6 @@ struct File_Init{
 enum Command_Line_Action{
     CLAct_Nothing,
     CLAct_Ignore,
-    CLAct_UserFile,
     CLAct_CustomDLL,
     CLAct_WindowSize,
     CLAct_WindowMaximize,
@@ -188,6 +187,7 @@ enum Command_Line_Action{
     CLAct_WindowFullscreen,
     CLAct_FontSize,
     CLAct_FontUseHinting,
+    CLAct_UserDirectory,
     //
     CLAct_COUNT,
 };

4ed_file.cpp

@@ -167,11 +167,6 @@ save_file_to_name(Thread_Context *tctx, Models *models, Editing_File *file, u8 *
     return(result);
 }
 
-internal b32
-save_file(Thread_Context *tctx, Models *models, Editing_File *file){
-    return(save_file_to_name(tctx, models, file, 0));
-}
-
 ////////////////////////////////
 
 internal Buffer_Cursor

platform_linux/linux_4ed.cpp

@@ -1835,6 +1835,11 @@ main(int argc, char **argv){
         }*/
     }
     
+    // NOTE(allen): setup user directory override
+    if (plat_settings.user_directory != 0){
+        lnx_override_user_directory = plat_settings.user_directory;
+    }
+    
     // NOTE(allen): load custom layer
     System_Library custom_library = {};
     Custom_API custom = {};

platform_linux/linux_4ed_functions.cpp

@@ -8,6 +8,8 @@
  *
  */
 
+global char *lnx_override_user_directory = 0;
+
 internal String_Const_u8
 system_get_path(Arena* arena, System_Path_Code path_code){
     String_Const_u8 result = {};
@@ -45,10 +47,15 @@ system_get_path(Arena* arena, System_Path_Code path_code){
         
         case SystemPath_UserDirectory:
         {
+            if (lnx_override_user_directory == 0){
                 char *home_cstr = getenv("HOME");
                 if (home_cstr != 0){
                     result = push_u8_stringf(arena, "%s/.4coder/", home_cstr);
                 }
+            }
+            else{
+                result = SCu8((u8*)lnx_override_user_directory);
+            }
         }break;
     }
     

platform_win32/win32_4ed.cpp

@@ -1738,6 +1738,11 @@ WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdS
         }
     }
     
+    // NOTE(allen): setup user directory override
+    if (plat_settings.user_directory != 0){
+        w32_override_user_directory = SCu8((u8*)plat_settings.user_directory);
+    }
+    
     // NOTE(allen): load custom layer
     System_Library custom_library = {};
     Custom_API custom = {};

platform_win32/win32_4ed_functions.cpp

@@ -125,6 +125,8 @@ system_memory_annotation_sig(){
 extern "C" BOOL CALL_CONVENTION
 GetUserProfileDirectoryW(HANDLE  hToken, LPWSTR  lpProfileDir, LPDWORD lpcchSize);
 
+global String_Const_u8 w32_override_user_directory = {};
+
 internal
 system_get_path_sig(){
     String_Const_u8 result = {};
@@ -155,6 +157,7 @@ system_get_path_sig(){
         
         case SystemPath_UserDirectory:
         {
+            if (w32_override_user_directory.size == 0){
                 HANDLE current_process_token = GetCurrentProcessToken();
                 DWORD size = 0;
                 GetUserProfileDirectoryW(current_process_token, 0, &size);
@@ -163,6 +166,10 @@ system_get_path_sig(){
                     String8 path = string_u8_from_string_u16(arena, SCu16(buffer_u16, size), StringFill_NullTerminate).string;
                     result = push_stringf(arena, "%.*s\\4coder\\", string_expand(path));
                 }
+            }
+            else{
+                result = w32_override_user_directory;
+            }
         }break;
     }
     return(result);