From e4d64b63344d4fda3efa482b1184e1379ae80e77 Mon Sep 17 00:00:00 2001
From: Quentin Santos <qsantos@qsantos.fr>
Date: Wed, 6 Mar 2024 21:12:06 +0100
Subject: [PATCH] Show basic usage when no argument is given

See https://github.com/qsantos/timeskew.exe/issues/5
---
 withdll.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/withdll.cpp b/withdll.cpp
index 4e28353..d948aae 100644
--- a/withdll.cpp
+++ b/withdll.cpp
@@ -23,6 +23,12 @@ static BOOL CALLBACK ExportCallback(_In_opt_ PVOID pContext, _In_ ULONG nOrdinal
 }
 
 int CDECL main(int argc, char **argv) {
+    if (argc <= 1) {
+        puts("Usage: timeskew.exe COMMAND...");
+        puts("Allow changing the speed of time for a given command");
+        return 1;
+    }
+
     // Find timeskew.dll
     CHAR dllPath[MAX_PATH];
     CHAR *end = dllPath + GetModuleFileNameA(NULL, dllPath, MAX_PATH);