fix pattern scan

34736384 · Mar 13, 2024 · 05a5ee3 · 05a5ee3
1 parent d6b6a25
commit 05a5ee3
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/unlockfps_nc/Utility/ProcessUtils.cs b/unlockfps_nc/Utility/ProcessUtils.cs
@@ -72,9 +72,11 @@ public static unsafe IntPtr PatternScan(IntPtr module, string signature)
         {
             var tokens = signature.Split(' ');
             var patternBytes = tokens
-                .ToList()
                 .Select(x => x == "?" ? (byte)0xFF : Convert.ToByte(x, 16))
                 .ToArray();
+            var maskBytes = tokens
+                .Select(x => x == "?")
+                .ToArray();
 
             var dosHeader = Marshal.PtrToStructure<IMAGE_DOS_HEADER>(module);
             var ntHeader = Marshal.PtrToStructure<IMAGE_NT_HEADERS>((IntPtr)(module.ToInt64() + dosHeader.e_lfanew));
@@ -90,7 +92,7 @@ public static unsafe IntPtr PatternScan(IntPtr module, string signature)
                 var found = true;
                 for (var j = 0; j < s; j++)
                 {
-                    if (d[j] != scanBytes[i + j] && d[j] != 0xFF)
+                    if (d[j] != scanBytes[i + j] && !maskBytes[j])
                     {
                         found = false;
                         break;