From 48721f541820718c8094a53204590bd809299358 Mon Sep 17 00:00:00 2001
From: Tau <tau@nowhere>
Date: Tue, 5 Nov 2019 20:44:00 -0500
Subject: [PATCH] platform/vfs.c: Abort if VFS is misconfigured

---
 platform/config.c |  4 ++--
 platform/vfs.c    | 12 ++++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/platform/config.c b/platform/config.c
index 6c6e5d7..8b01d40 100644
--- a/platform/config.c
+++ b/platform/config.c
@@ -283,7 +283,7 @@ void vfs_config_load(struct vfs_config *cfg, const wchar_t *filename)
     GetPrivateProfileStringW(
             L"vfs",
             L"amfs",
-            L"E:\\",
+            L"",
             cfg->amfs,
             _countof(cfg->amfs),
             filename);
@@ -291,7 +291,7 @@ void vfs_config_load(struct vfs_config *cfg, const wchar_t *filename)
     GetPrivateProfileStringW(
             L"vfs",
             L"appdata",
-            L"Y:\\",
+            L"",
             cfg->appdata,
             _countof(cfg->appdata),
             filename);
diff --git a/platform/vfs.c b/platform/vfs.c
index 59ee163..689cd44 100644
--- a/platform/vfs.c
+++ b/platform/vfs.c
@@ -53,6 +53,18 @@ HRESULT vfs_hook_init(const struct vfs_config *config)
         return S_FALSE;
     }
 
+    if (config->amfs[0] == L'\0') {
+        dprintf("Vfs: FATAL: AMFS path not specified in INI file\n");
+
+        return E_FAIL;
+    }
+
+    if (config->appdata[0] == L'\0') {
+        dprintf("Vfs: FATAL: APPDATA path not specified in INI file\n");
+
+        return E_FAIL;
+    }
+
     home_ok = GetEnvironmentVariableW(
             L"USERPROFILE",
             vfs_nthome_real,