From 4fbe435cbe94c57fa333671560cd9024708f2bba Mon Sep 17 00:00:00 2001
From: Susko3 <Susko3@protonmail.com>
Date: Sat, 6 Apr 2024 00:30:30 +0200
Subject: [PATCH] Fix errors in `SDL_stdinc.g.cs` with define magic

---
 SDL3-CS/SDL3/ClangSharp/SDL_stdinc.g.cs | 27 -------------------------
 SDL3-CS/SDL3/SDL_stdinc.rsp             | 12 +++++++++++
 2 files changed, 12 insertions(+), 27 deletions(-)
 create mode 100644 SDL3-CS/SDL3/SDL_stdinc.rsp

diff --git a/SDL3-CS/SDL3/ClangSharp/SDL_stdinc.g.cs b/SDL3-CS/SDL3/ClangSharp/SDL_stdinc.g.cs
index 0582c1e..0ee5e82 100644
--- a/SDL3-CS/SDL3/ClangSharp/SDL_stdinc.g.cs
+++ b/SDL3-CS/SDL3/ClangSharp/SDL_stdinc.g.cs
@@ -517,11 +517,6 @@ namespace SDL
             return 0;
         }
 
-        public static int SDL_size_mul_overflow_builtin([NativeTypeName("size_t")] nuint a, [NativeTypeName("size_t")] nuint b, [NativeTypeName("size_t *")] nuint* ret)
-        {
-            return (__builtin_mul_overflow(a, b, ret)) ? 1 : 0 == 0 ? 0 : -1;
-        }
-
         public static int SDL_size_add_overflow([NativeTypeName("size_t")] nuint a, [NativeTypeName("size_t")] nuint b, [NativeTypeName("size_t *")] nuint* ret)
         {
             if (b > 0xffffffffffffffffUL - a)
@@ -533,19 +528,6 @@ namespace SDL
             return 0;
         }
 
-        public static int SDL_size_add_overflow_builtin([NativeTypeName("size_t")] nuint a, [NativeTypeName("size_t")] nuint b, [NativeTypeName("size_t *")] nuint* ret)
-        {
-            return (__builtin_add_overflow(a, b, ret)) ? 1 : 0 == 0 ? 0 : -1;
-        }
-
-        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
-        [return: NativeTypeName("bool")]
-        public static extern byte __builtin_mul_overflow(__arglist);
-
-        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
-        [return: NativeTypeName("bool")]
-        public static extern byte __builtin_add_overflow(__arglist);
-
         [NativeTypeName("#define SDL_SIZE_MAX SIZE_MAX")]
         public const ulong SDL_SIZE_MAX = 0xffffffffffffffffUL;
 
@@ -636,15 +618,6 @@ namespace SDL
         [NativeTypeName("#define SDL_PRIX32 \"X\"")]
         public static ReadOnlySpan<byte> SDL_PRIX32 => "X"u8;
 
-        [NativeTypeName("#define SDL_memcpy memcpy")]
-        public static readonly delegate*<void*, void*, nuint, void*> SDL_memcpy = &memcpy;
-
-        [NativeTypeName("#define SDL_memmove memmove")]
-        public static readonly delegate*<void*, void*, nuint, void*> SDL_memmove = &memmove;
-
-        [NativeTypeName("#define SDL_memset memset")]
-        public static readonly delegate*<void*, int, nuint, void*> SDL_memset = &memset;
-
         [NativeTypeName("#define SDL_PI_D 3.141592653589793238462643383279502884")]
         public const double SDL_PI_D = 3.141592653589793238462643383279502884;
 
diff --git a/SDL3-CS/SDL3/SDL_stdinc.rsp b/SDL3-CS/SDL3/SDL_stdinc.rsp
new file mode 100644
index 0000000..375011b
--- /dev/null
+++ b/SDL3-CS/SDL3/SDL_stdinc.rsp
@@ -0,0 +1,12 @@
+# Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+# See the LICENCE file in the repository root for full licence text.
+
+# Prevent SDL memory functions from being defined to compiler intrinsic ones
+--define-macro
+SDL_SLOW_MEMCPY
+SDL_SLOW_MEMMOVE
+SDL_SLOW_MEMSET
+
+# Prevent SDL from using compiler intrinsics __builtin_mul_overflow and __builtin_add_overflow.
+--additional
+--undefine-macro=__has_builtin