Special version of cleanup routine for OS2. Most of the work done by Javier pedemont@us.ibm.com

xpinstall/cleanup/InstallCleanupOS2.cpp

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+
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ *   Don Bragg <dbragg@netscape.com>
+ */
+
+#include "InstallCleanup.h"
+
+//----------------------------------------------------------------------------
+// Native OS/2 file deletion function
+//----------------------------------------------------------------------------
+int NativeDeleteFile(const char* aFileToDelete)
+{
+    struct stat fileStack;
+    if (stat(aFileToDelete, &fileStack)!= 0)
+    {
+      return DONE;// No file to delete, do nothing.
+    }
+    else 
+    {
+        if(remove(aFileToDelete)!= 0)
+          return TRY_LATER;
+    }
+    return DONE;
+}
+
+//----------------------------------------------------------------------------
+// Native OS/2 file replacement function
+//----------------------------------------------------------------------------
+int NativeReplaceFile(const char* replacementFile, const char* doomedFile )
+{
+    struct stat fileStack;
+
+    // replacement file must exist, doomed file doesn't have to
+    if (stat(replacementFile, &fileStack) != 0)
+        return DONE;
+
+    // don't have to do anything if the files are the same
+    if (strcmp(replacementFile, doomedFile))
+        return DONE;
+
+    if (stat(doomedFile,&fileStack) != 0)
+    {
+      // doomedFile is gone move new file into place
+      if (!rename(replacementFile, doomedFile))
+          return TRY_LATER; // this shouldn't happen
+    }
+    else
+    {
+      //remove failed
+      return TRY_LATER;
+    }
+
+    return DONE;
+}
+
+int main()
+{
+    HREG reg;
+    int status = DONE;
+
+    if ( REGERR_OK == NR_StartupRegistry())
+    {
+        if ( REGERR_OK == NR_RegOpen("", &reg) )
+        {
+            do {
+                status = PerformScheduledTasks(reg);
+                if (status != DONE)
+                   DoSleep(15000);
+            } while (status == TRY_LATER);
+        }
+        NR_ShutdownRegistry();
+    }
+    return(0);
+}
+