[PATCH libXaw3d 11/11] Fix DLL initialization on PE platforms

[Yaakov (Cygwin/X)]

From: Yaakov Selkowitz <yselkowitz at users.sourceforge.net>

This is borrowed straight from libXaw/src/Vendor.c.

Signed-off-by: Yaakov Selkowitz <yselkowitz at users.sourceforge.net>
---
 src/Vendor.c |   46 +++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 45 insertions(+), 1 deletions(-)

diff --git a/src/Vendor.c b/src/Vendor.c
index 6a32146..ec615ca 100644
--- a/src/Vendor.c
+++ b/src/Vendor.c
@@ -106,6 +106,50 @@ static void XawVendorShellClassPartInit();
 void XawVendorShellExtResize();
 #endif
 
+#if defined(__UNIXOS2__) || defined(__CYGWIN__) || defined(__MINGW32__)
+/* to fix the EditRes problem because of wrong linker semantics */
+extern WidgetClass vendorShellWidgetClass; /* from Xt/Vendor.c */
+extern VendorShellClassRec _XawVendorShellClassRec;
+extern void _XawFixupVendorShell();
+
+#if defined(__UNIXOS2__)
+unsigned long _DLL_InitTerm(unsigned long mod,unsigned long flag)
+{
+        switch (flag) {
+        case 0: /*called on init*/
+                _CRT_init();
+                vendorShellWidgetClass = (WidgetClass)(&_XawVendorShellClassRec$
+                _XawFixupVendorShell();
+                return 1;
+        case 1: /*called on exit*/
+                return 1;
+        default:
+                return 0;
+        }
+}
+#endif
+
+#if defined(__CYGWIN__) || defined(__MINGW32__)
+int __stdcall
+DllMain(unsigned long mod_handle, unsigned long flag, void *routine)
+{
+  switch (flag)
+    {
+    case 1: /* DLL_PROCESS_ATTACH - process attach */
+      vendorShellWidgetClass = (WidgetClass)(&_XawVendorShellClassRec);
+      _XawFixupVendorShell();
+      break;
+    case 0: /* DLL_PROCESS_DETACH - process detach */
+      break;
+    }
+  return 1;
+}
+#endif
+
+#define vendorShellClassRec _XawVendorShellClassRec
+
+#endif
+
 #ifdef XAW_INTERNATIONALIZATION
 static CompositeClassExtensionRec vendorCompositeExt = {
     /* next_extension     */	NULL,
@@ -433,7 +477,7 @@ static void XawVendorShellClassPartInit(class)
 }
 #endif
 
-#ifdef __osf__
+#if defined(__osf__) || defined(__UNIXOS2__) || defined(__CYGWIN__) || defined(__MINGW32__)
 /* stupid OSF/1 shared libraries have the wrong semantics */
 /* symbols do not get resolved external to the shared library */
 void _XawFixupVendorShell()
-- 
1.7.5.1