--- a/src/config.c	Fri Dec 16 21:55:37 2022 -0500
+++ b/src/config.c	Sun Feb 11 19:43:31 2024 -0500
@@ -11,35 +11,67 @@
  * display_title=1
  * show_elapsed_time=1
 **/
+#include "dirtools.h"
+#include "config.h"
+#include "resource.h"
+#include "utils.h"
+
+#include <shlobj.h>
+#include <shlwapi.h>
+
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "dirtools.h"
-#include "config.h"
-#include "resource.h"
-#include "utils.h"
-#ifndef WIN32_LEAN_AND_MEAN
-#  define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#include <windowsx.h>
-#define MAX_LINE_LENGTH 128
+
+#define MAX_LINE_LENGTH 256
 
 /* from main */
 extern void update_rich_presence_details(void);
 extern struct config config;
 
+/* must be free'd by the caller */
+LPWSTR cfg_get_path() {
+	/* get location of appdata folder */
+	LPWSTR appdata_folder;
+	SHGetKnownFolderPath(&FOLDERID_RoamingAppData, 0, NULL, &appdata_folder);
+
+	/* compatibility with WACUP, falls back to Winamp */
+	WCHAR exe_name[MAX_PATH] = {L'\0'};
+	if (GetModuleFileNameW(NULL, (LPWSTR)&exe_name, MAX_PATH)) {
+		PathStripPathW(exe_name);
+		PathRemoveExtensionW(exe_name);
+	} else { // fail
+		memset(exe_name, '\0', MAX_PATH * sizeof(WCHAR));
+		wcscpy(exe_name, L"Winamp");
+	}
+
+	/* concat until we get the final path */
+	LPWSTR path = dirtools_concat_paths(appdata_folder, exe_name);
+	CoTaskMemFree(appdata_folder);
+
+	LPWSTR final = dirtools_concat_paths(path, L"Plugins\\wgsdk");
+	free(path);
+
+	return final;
+}
+
 int cfg_load(struct config* restrict config) {
-	char line[MAX_LINE_LENGTH] = {0},
-	     *path = dirtools_concat_paths(getenv("APPDATA"), "Winamp\\Plugins\\wgsdk\\config.txt");
-	FILE* config_fp = fopen(path, "r");
+	LPWSTR fold_path = cfg_get_path();
+	LPWSTR path = dirtools_concat_paths(fold_path, L"config.txt");
+	free(fold_path);
+
+	/* find some real win32 replacement for this */
+	FILE* config_fp = _wfopen(path, L"r");
 	if (config_fp == NULL) {
 		free(path);
 		return 1;
 	}
+
 	/* parse the config */
+	char line[MAX_LINE_LENGTH] = {0};
 	while (fgets(line, MAX_LINE_LENGTH, config_fp)) {
+		/* strtok is okay here. */
 		switch (crc32b((unsigned char*)strtok(line, "="))) {
 			case 0x2a666380: // display_title
 				config->display_title = !!atoi(strtok(NULL, "="));
@@ -51,46 +83,52 @@
 				break;
 		}
 	}
+
 	free(path);
 	return 0;
 }
 
 int cfg_save(struct config config) {
-	char* path = dirtools_concat_paths(getenv("APPDATA"), "Winamp\\Plugins\\wgsdk");
-	assert(!dirtools_create_directory(path));
-	free(path);
+	LPWSTR fold_path = cfg_get_path();
+	assert(!dirtools_create_directory(fold_path));
+
+	LPWSTR path = dirtools_concat_paths(fold_path, L"config.txt");
+	free(fold_path);
 
-	path = dirtools_concat_paths(getenv("APPDATA"), "Winamp\\Plugins\\wgsdk\\config.txt");
-	FILE* config_fp = fopen(path, "w");
-	if (config_fp == NULL)
+	FILE* config_fp = _wfopen(path, L"w");
+	if (config_fp == NULL) {
+		free(path);
 		return 1;
+	}
+
 	fprintf(config_fp, "----- wgsdk config ----\n");
 	fprintf(config_fp, "display_title=%d\n",     config.display_title);
 	fprintf(config_fp, "show_elapsed_time=%d\n", config.show_elapsed_time);
 	fclose(config_fp);
+	free(path);
 	return 0;
 }
 
 /* --------------------------------- */
 
-#define conf_item_to_dlg(cons, var) \
-	checkboxHwnd = GetDlgItem(hWnd, cons); \
-	Button_SetCheck(checkboxHwnd, var)
-#define dlg_item_to_conf(cons, var) \
-	checkboxHwnd = GetDlgItem(hWnd, cons); \
-	var = Button_GetCheck(checkboxHwnd)
+#define conf_item_to_dlg(hwnd, cons, var) \
+{ \
+	HWND checkboxHwnd = GetDlgItem(hwnd, cons); \
+	SendMessage(checkboxHwnd, BM_SETCHECK, (var) ? BST_CHECKED : BST_UNCHECKED, 0); \
+}
+#define dlg_item_to_conf(hwnd, cons, var) \
+{ \
+	HWND checkboxHwnd = GetDlgItem(hwnd, cons); \
+	(var) = (SendMessage(checkboxHwnd, BM_GETCHECK, 0, 0) == BST_CHECKED); \
+}
 void cfg_get_controls(HWND hWnd) {
-	HWND checkboxHwnd;
-
-	dlg_item_to_conf(TITLE_CHECK,        config.display_title);
-	dlg_item_to_conf(ELAPSED_TIME_CHECK, config.show_elapsed_time);
+	dlg_item_to_conf(hWnd, TITLE_CHECK,        config.display_title);
+	dlg_item_to_conf(hWnd, ELAPSED_TIME_CHECK, config.show_elapsed_time);
 }
 
 void cfg_set_controls(HWND hWnd) {
-	HWND checkboxHwnd;
-
-	conf_item_to_dlg(TITLE_CHECK,        config.display_title);
-	conf_item_to_dlg(ELAPSED_TIME_CHECK, config.show_elapsed_time);
+	conf_item_to_dlg(hWnd, TITLE_CHECK,        config.display_title);
+	conf_item_to_dlg(hWnd, ELAPSED_TIME_CHECK, config.show_elapsed_time);
 }
 #undef conf_item_to_dlg
 #undef dlg_item_to_conf