nyx: utilize ini free and fix various memleaks

With the new changes the heap and heap node usage drops 95% on boot. Subsequent accesses to Launch/More config keep the counter the same.

nyx/nyx_gui/config.c

@@ -169,6 +169,8 @@ int create_config_entry()
 				break;
 			}
 		}
+
+		ini_free(&ini_sections);
 	}
 
 	f_close(&fp);

nyx/nyx_gui/frontend/fe_emummc_tools.c

@@ -66,6 +66,8 @@ void load_emummc_cfg(emummc_cfg_t *emu_info)
 			break;
 		}
 	}
+
+	ini_free(&ini_sections);
 }
 
 void save_emummc_cfg(u32 part_idx, u32 sector_start, const char *path)

nyx/nyx_gui/frontend/gui.c

@@ -1378,14 +1378,10 @@ static lv_res_t _create_mbox_payloads(lv_obj_t *btn)
 		goto out_end;
 	}
 
-	char *dir = (char *)malloc(256);
+	char *filelist = dirlist("bootloader/payloads", NULL, false, false);
-	strcpy(dir, "bootloader/payloads");
-
-	char *filelist = dirlist(dir, NULL, false, false);
 	sd_unmount();
 
 	u32 i = 0;
-
 	if (filelist)
 	{
 		while (true)
@@ -1395,6 +1391,7 @@ static lv_res_t _create_mbox_payloads(lv_obj_t *btn)
 			lv_list_add(list, NULL, &filelist[i * 256], launch_payload);
 			i++;
 		}
+		free(filelist);
 	}
 
 out_end:
@@ -1703,9 +1700,7 @@ static lv_res_t _create_window_home_launch(lv_obj_t *btn)
 	if (combined_cfg && !ini_parse_success)
 	{
 ini_parsing:
-		// Reinit list.
+		list_init(&ini_sections);
-		ini_sections.prev = &ini_sections;
-		ini_sections.next = &ini_sections;
 		ini_parse_success = ini_parse(&ini_sections, "bootloader/ini", true);
 		more_cfg = true;
 	}
@@ -1851,6 +1846,8 @@ ini_parsing:
 			break;
 	}
 
+	ini_free(&ini_sections);
+
 ini_parse_failed:
 	// Reiterate the loop with more cfgs if combined.
 	if (combined_cfg && (curr_btn_idx < (n_cfg.entries_5_columns ? 10 : 8)) && !more_cfg)

nyx/nyx_gui/frontend/gui_emummc_tools.c

@@ -1114,6 +1114,7 @@ out0:;
 		lv_label_set_text(lv_desc, txt_buf);
 		lv_obj_align(lv_desc, btn, LV_ALIGN_OUT_BOTTOM_LEFT, 0, LV_DPI / 5);
 	}
+	free(txt_buf);
 
 	// Create SD File Based container.
 	lv_obj_t *h2 = lv_cont_create(win, NULL);

nyx/nyx_gui/frontend/gui_info.c

@@ -56,6 +56,7 @@ static lv_res_t _create_window_dump_done(int error, char *dump_filenames)
 		s_printf(txt_buf, "Dumping to SD card finished!\nFiles: #C7EA46 backup/%s/dumps/#\n%s", sn, dump_filenames);
 	}
 	lv_mbox_set_text(mbox, txt_buf);
+	free(txt_buf);
 
 	lv_mbox_add_btns(mbox, mbox_btn_map, mbox_action); // Important. After set_text.
 

nyx/nyx_gui/frontend/gui_options.c

@@ -237,6 +237,8 @@ static void _create_autoboot_window()
 
 			lv_list_add(list_main, NULL, ini_sec->name, _autoboot_enable_main_action);
 		}
+
+		ini_free(&ini_sections);
 	}
 
 	// More configuration container.
@@ -279,6 +281,8 @@ static void _create_autoboot_window()
 
 			lv_list_add(list_more_cfg, NULL, ini_sec->name, _autoboot_enable_more_action);
 		}
+
+		ini_free(&ini_list_sections);
 	}
 
 	sd_unmount();

nyx/nyx_gui/nyx.c

@@ -247,6 +247,8 @@ void load_saved_configuration()
 		}
 	}
 
+	ini_free(&ini_sections);
+
 skip_main_cfg_parse:
 	if (!ini_parse(&ini_nyx_sections, "bootloader/nyx.ini", false))
 		return;
@@ -282,6 +284,8 @@ skip_main_cfg_parse:
 			break;
 		}
 	}
+
+	ini_free(&ini_nyx_sections);
 }
 
 #define EXCP_EN_ADDR   0x4003FFFC