From 0ec883c9c458c9dd53887215537896d25651fd1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herm=C3=A8s=20B=C3=A9lusca-Ma=C3=AFto?=
 <hermes.belusca-maito@reactos.org>
Date: Thu, 3 Oct 2024 18:01:15 +0200
Subject: [PATCH] ** Test whether these are also needed for rosload

---
 boot/freeldr/freeldr/ntldr/winldr.c | 49 +++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/boot/freeldr/freeldr/ntldr/winldr.c b/boot/freeldr/freeldr/ntldr/winldr.c
index bb078c640cf6b..8f4150d8de993 100644
--- a/boot/freeldr/freeldr/ntldr/winldr.c
+++ b/boot/freeldr/freeldr/ntldr/winldr.c
@@ -1359,3 +1359,52 @@ WinLdrpDumpArcDisks(PLOADER_PARAMETER_BLOCK LoaderBlock)
         NextBd = ArcDisk->ListEntry.Flink;
     }
 }
+
+/////////////////////////////////////////
+
+// We need to emulate these, because the original ones don't work in freeldr
+// These functions are here, because they need to be in the main compilation unit
+// and cannot be in a library.
+int __cdecl wctomb(char *mbchar, wchar_t wchar)
+{
+    *mbchar = (char)wchar;
+    return 1;
+}
+
+int __cdecl mbtowc(wchar_t *wchar, const char *mbchar, size_t count)
+{
+    *wchar = (wchar_t)*mbchar;
+    return 1;
+}
+
+// The wctype table is 144 KB, too much for poor freeldr
+int __cdecl iswctype(wint_t wc, wctype_t wctypeFlags)
+{
+    return _isctype((char)wc, wctypeFlags);
+}
+
+#ifdef _MSC_VER
+#pragma warning(disable:4164)
+#pragma function(pow)
+#pragma function(log)
+#pragma function(log10)
+#endif
+
+// Stubs to avoid pulling in data from CRT
+double pow(double x, double y)
+{
+    __debugbreak();
+    return 0.0;
+}
+
+double log(double x)
+{
+    __debugbreak();
+    return 0.0;
+}
+
+double log10(double x)
+{
+    __debugbreak();
+    return 0.0;
+}