winecrt0: Add entry point code for stand-alone 16-bit executables.

dlls/kernel32/kernel32.spec

@@ -1225,6 +1225,7 @@
 @ stdcall GlobalDOSFree16(long)
 @ stdcall GlobalFlags16(long)
 @ stdcall GlobalReAlloc16(long long long)
+@ stdcall InitTask16(ptr)
 @ stdcall IsBadReadPtr16(long long)
 @ stdcall IsTask16(long)
 @ stdcall LoadModule16(str long)

dlls/winecrt0/Makefile.in

@@ -9,6 +9,7 @@ C_SRCS = \
 	dll_entry.c \
 	dll_main.c \
 	drv_entry.c \
+	exe16_entry.c \
 	exe_entry.c \
 	exe_main.c \
 	exe_wentry.c \

dlls/winecrt0/exe16_entry.c

+/*
+ * Default entry point for a 16-bit exe
+ *
+ * Copyright 2009 Alexandre Julliard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+#include "windef.h"
+#include "winbase.h"
+#include "wownt32.h"
+#include "wine/winbase16.h"
+
+#ifdef __i386__
+
+extern WORD WINAPI WinMain16( HINSTANCE16 inst, HINSTANCE16 prev, LPSTR cmdline, WORD show );
+
+void WINAPI DECLSPEC_HIDDEN __wine_spec_exe16_entry( CONTEXT *context )
+{
+    PDB16 *psp;
+    WORD len;
+    LPSTR cmdline;
+
+    InitTask16( context );
+
+    psp = MapSL( WOWGlobalLock16( context->SegEs ));
+    len = psp->cmdLine[0];
+    cmdline = HeapAlloc( GetProcessHeap(), 0, len + 1 );
+    memcpy( cmdline, psp->cmdLine + 1, len );
+    cmdline[len] = 0;
+
+    ExitThread( WinMain16( context->Edi, context->Esi, cmdline, context->Edx ));
+}
+
+#endif  /* __i386__ */